Comet Vs Diamond Antenna

Re: Comet CHA250B II Antenna - Diamond BB7V. Diamond Screwdriver antenna mounted on the side using the custom plate. Quick View. It is 7/8 wave instead of 5/8 wave. It has a cheap design with a separate. LDG Z-817 ACCORDATORE AUTOMATICO PER QRP (YAESU FT817) Lo Z-817 è un accordatore molto compatto per apparati QRP. I own one each of the following 2m. 15 dBi, Max Power: 10 Watts, Length: 15″) BNC. There is a Marine radio, the Motorola CDM1250 and an external speaker. The antenna when sticking up is over my head but if need be I can tuck it in the shoulder pad on my right side. These antennas are optimized for. It is a two 5/8 wave C-load on 2 meters, five 5/8 wave c-load on 440 and six 5/8 wave c-load on 23 cm. Arrow Antenna is now offering FREE SHIPPING on orders over $100 and $5 Flat Rate Shipping for orders up to $100 to the lower 48, Flat Rate Shipping of $15 for all orders to Alaska and Hawaii and $30 for US. HRO Discount Price: $169. SP-30 - Desk HP FREE. I'M running this antenna with 40 feet of LMR240. Diamond Antenna X50 - early model. 8 MHz noise, while NOT shorting a 1. Add to basket. radioreference. Modelling of the solar /stellar wind two-jet structure induced by azimuthal stellar magnetic field. 6 foot RG-316/B or Comet’s 12 foot RG-58; Put another way, the antenna “systems” under test include their stock feed lines. Running a lip mount on the hood of my Jeep Wrangler, the Comet and Diamond antennas I tried would produce an SWR on 70cm in the low 1's but nothing below 2 on 2m. I used it during Field Day and thought it worked fine for what it was. Add to Wishlist. 95 * Buy It *After Coupons & Promotions. (Editor) 1983-01-01. The exception is any antenna that has an electrical length of 1/4 wave. (eBay), 2x PL-259 connectors (also eBay) Stuf dielectric compound (parts box) Vipar self-fusing silicon rubber tape (eBay) 20 ft (2x10ft) 16 ga. ) than a ground plane antenna with the feed point at the same height. I use a comet GP-6 at my bugout location and the GP-9 and Diamond X700 at my home. 8 mt, direct current radiating element directly to earth to protect the equipment against overcurrents and lightning, wind speed 40m / s maximum, accepts Ø poles from 30. It uses a very simple design of copper and brass wire sections connected together with a few capacitor traps and couplers, running up through the. Product Code: 48-541857. KALI VARA PRASAD 2 Y PRUDHVI RAJ 1 Asst. NEW ELEMENTS SHIP FREE - IN STOCK - Bird RF Wattmeters & Elements. 8-50MHz portable Antenna with carrying pouch Ideal for use with Icom IC-705 and similar portable radios - see pictures. in about 30 seconds the SWR graph is completed and displayed. Resources listed under Quad Antennas category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. 5MHz – 57MHz! It is not a 1/4 wave vertical, but an end-fed long wire type antenna with a matching transformer in a vertical position. Amateur radio towers and accessories, aluminum tubing, coax & cable, wifi towers and more. Topics of discussion were: solar corona, MHD waves and turbulence, acceleration of the solar wind, stellar coronae and winds, long term variations, energetic particles, plasma distribution functions and waves, spatial dependences, and minor ions. User defined set-up: Without any of the HF. Internal CB Radio Antenna Quick Disconnect Mounts 3/8”-24. even the fold over feels "better". On 1/28/2020 at 4:51 PM, motten1978 said: My recommendation is a Tram 1450 5/8 over 5/8 ground plane antenna (50bucks), with some LMR 400 coax which runs about a dollar a foot. They are made with the best materials and top of the line workmanship. Diamond X-300 (X 300 X300) Monday, January 30 2006 @ 16:30 Technical specifications :. The base antenna utilized with the DB 750X was the Comet GP-9 NC Dual Band base antenna. That doesn't make much sense. 5d05m 接続ケーブル mp-mp 同軸 【パッチケーブル】(diamond)(0. Diamond CR320BNMO Triband Mobile Antenna. Solar Wind Five. The antenna's coax now connects to the "Antenna" socket on the meter. It requires no radials, no tunings or adjustments. The relative gain difference between the Diamond and Comet include whatever attenuation difference exists between the Diamond’s 13. radioreference. These superior-quality base station antennas feature a three-piece, heavy duty, UV-stabilized fiberglass radome for many years of reliable service. We build an ideal base station antenna for the amateur living with antenna restrictions. X50A Description Hide. 5:1 range throughout the 2 meter band. SKU: SIRIO-2218505. 8 MHz noise, while NOT shorting a 1. antennas and power supply to achieve the 4 band capability. This is one of many amateur/ham radio themed videos on this channe. Unique “split-thread” lock bolt is supplied to attach the antenna to the. Comet GP15. [HD=heavy duty]. I wiped it down with a cloth and it rang like a tuning. More Info Add to Bundle. The Comet sbb-224 tri-band mobile antenna for 446mhz. 5m mp-mp 付) アマチュア無線【ネコポス可】 1,463円. Antenna VHF UHF Keywords: Diamond, X-30, X-50, X-200, X-300, User manual Created Date: 11/11/2015 6:04:03 PM. No doubt because the Japanese get 430-440MHz for FM repeater operation. I have many Diamond antennas over the years. This video had been recovered from our old site. Perfect for outdoors, attic or closet installations. Excellent for intended use. One thing to consider, in order to get greater gain in an omni-directional vertical antenna (e. Weighs about 1/3 as much a a matter of fact. Diamond RH-779 is a wideband telescopic antenna for use with handheld transceivers and scanners. 2017-06-01. Posted date: March 24, 2021 in: Antenna. 137MHz Satellite Antenna and filtered pre-amplifier. My Diamond X700 ThAt is on my tower. - Comet GP-1 - Diamond X50A Any first-hand experiences here with either, good, bad, or otherwise? Price is similar. The measured gain is from end of antenna feed line. Got this after being on back order a month hot seller got from Universal Radio Dual band amateur radio Antenna high wind load for FL Coast. Product Code: 48-541857. 170-0002 Phone:03-3947-1411 FAX:03-3944-2981 E-Mail:[email protected] I use the Comet antenna because it's sections are supposedly soldered together whereas the Diamond antenna is crimped. Two steel wall brackets (parts box). Comet gp3 vs diamond x50a" Keyword Found Websites Listing. 6 out of 5 stars 118 $73. Mosley antennas are pre-tuned, pre-drilled and color-coded for ease of assembly which means NO MEASURING! Mosley antennas are hand-crafted under rigid engineering standards, constructed of highly durable drawn, aluminum tubing, assembled with stainless steel and non-corrosive hardware ensuring longer antenna life. NEW ELEMENTS SHIP FREE - IN STOCK - Bird RF Wattmeters & Elements. I'm using a 2 meter radio but figured I'd buy a dual band because I was told this $200 Comet was the bomb! I tried another Diamond dual band too. - Comet GP-1 - Diamond X50A Any first-hand experiences here with either, good, bad, or otherwise? Price is similar. It handles up to 250W PEP SSB Power. Heavy-duty fiberglass. Fiberglass radome. Add to cart. (eBay), 2x PL-259 connectors (also eBay) Stuf dielectric compound (parts box) Vipar self-fusing silicon rubber tape (eBay) 20 ft (2x10ft) 16 ga. 15-1,1-chome Sugamo,Toshima-ku Tokyo,Japan. Our Price: $139. Choice of connectors: SMA male (SRH77CA), SMA female (SRJ77CA) and BNC (RH77CA) Works with Baofeng, Wouxun and. Rig Expert AA-230PRO $690. Quick View. It uses a very simple design of copper and brass wire sections connected together with a few capacitor traps and couplers, running up through the. Choose from low-profile black cellular lookalikes, those with flexible rubber coated elements or threaded magnetic mounts for easy removal, or those with spring bases. Description: Full 1/4 wave antenna with Motorola type mount for vehicle installation. It is far less bulky than the Diamond antenna. com DA: 25 PA: 50 MOZ Rank: 79. Wide band performance. 5 MHz Preamp. Diamond D-150 (D 150 D150) Monday, January 30 2006 @ 16:30 PDF User Manual for Diamond D-150 (D 150 D150) : Diamond D-150 User Manual Technical specifications :. DualBand Base / Repeater Antenna Find all of your rope, pulleys, carabiners, and guying needs here! Product Specifications: Coverage: 2M/70cm Gain: 2M: 4. radio4ducks. I replaced it with a flexable longer antenna (whip type) that is a Comet SMA24 (JAIA). I've had a few Comet antennas, all failed when their plastic loading coils broke. Add to Bundle. 5 KW option) PA144-5-1. DIAMOND Comet Antenna KPO COMTRAK MFJ PROXEL For handheld For stationary use Verticals Comet COMTRAK Multibande VHF/UHF Cushcraft 50Mhz Multi-bandes Diamond Multibande VHF/UHF HF Mono Bande 6M/VHF/UHF. 5 watts as it enters the feedpoint of the antenna. They have primarily been mounted on 18 wheelers, work trucks, and off road vehicles so they have taken quite a beating from tree branches. ML&S Martin Lynch & Sons, Staines, Surrey UK. The CF-530 is HF/6M/2M-70 cm. All of our antennas come with 20' control cable, standard up and down switch, ferrite core, fuseholder and fuse, 3/8-24 stud and. DIAMOND Comet Antenna KPO COMTRAK MFJ PROXEL For handheld For stationary use Verticals ITA 10 MHZ. Comet M-24M. Comet Original Vertical HF Antenna. ML&S Martin Lynch & Sons Ltd. CompacTenna VHF/UHF Stealth But EFFECTIVE antenna, Review and On-Air Test. 8 dBi ( pattern) / 90 mph. cable coax. Diamond vs Comet 2m/222/440 Omni? 8. The Diamond doesn't seem well received. Its premium components add to the functionality and durability of the antenna to deliver the communication you depend on. It worked pretty good until I inherited a Diamond X-300, which I use now since it has more gain than the GP-3. Both seem to get excellent reviews. Comparison: Diamond. Rig Expert AA-54 - $340. Cushcraft A719B 440 MHz 19 Element. Phillip Johnson KI4EYM. Diamond CR8900A Quad Band Mobile Antenna. Comet and Diamond both have an equivalent antenna but for this post we will use Comet as the example Popular Comet models are: Comet GP-3 - DualBand 146/446MHz - The Diamond X-50 is the equivalent. Comet robby the robot vac form model kitvery large missing one of the antenna. Comet also has many lengths in black. Antennas and mounts are usually sold separately. Brand new in factory package. Antennas 101 Presented by: Comet dual-bander Larsen dual-bander •A J-pole antenna Diamond X-50a Ringo Ranger II. com DA: 25 PA: 50 MOZ Rank: 93. Diamond is a little longer. Mounting components are included. It can form a portable vertical or a mobile whip. DIAMOND Comet Antenna KPO COMTRAK MFJ PROXEL For handheld For stationary use Verticals Comet COMTRAK Multibande VHF/UHF Cushcraft 50Mhz Multi-bandes Diamond Multibande VHF/UHF HF Mono Bande 6M/VHF/UHF. • Diamond F23H 2 m 3 x 5/8-wave collinear vertical ( $140, see reviews and manual) 4. Figure 11 - NR770HBNMO mobile antenna gain measurements compared to short mag mount. Reactance range: 0 - 500 Ohms (absolute value) 1. 4 GHz) Cellular + WiFi Cellular 2G (1900 MHz) Cellular 3G (850 MHz/1900 MHz) Cellular 4G (700 MHz, 1700 - 2100 MHz, 1900 MHz and 2500 - 2700 MHz) Cellular 5G (600 MHz - 6 GHz) Cellular CBRS/5G NR (3300 MHz. Got this after being on back order a month hot seller got from Universal Radio Dual band amateur radio Antenna high wind load for FL Coast. FAST & FREE. Altroz has 1497 cc (Diesel top model) engine, while Tigor. Free Shipping on AT5888UVIII. Mounting instructions: This cable assembly can be mounted either through a 5/8 inch roof/trunk hole or installed in any of the Comet brand trunk/hatch-back/lip mounts. Trending at $15. Manufacturer NCG Comet Frequency Range Triband 2M/220/70cm HT Antenna Receive Range Extended receive range: 118-160MHz, 250-290MHz, 360-390MHz, 420-470MHz, 820-960MHz Length 11" Construction Polyurethane Gain 2M 1. DualBand Base / Repeater Antenna Find all of your rope, pulleys, carabiners, and guying needs here! Product Specifications: Coverage: 2M/70cm Gain: 2M: 4. One thing to consider, in order to get greater gain in an omni-directional vertical antenna (e. OSJ - Business Band, Marine Band & MURS 150-162 MHz. Diamond's SRH77CA vs Signal Stuff Super Elastic & Comet SMA-24 I have three similarly sized HT antennas. Both seem to get excellent reviews. A 6db loss is 50% on top of 50%, and so on. This antenna is EXTREMELY easy to assemble, requires no tuning or adjustments and VSWR is under 1. I use the Comet antenna because it's sections are supposedly soldered together whereas the Diamond antenna is crimped. 5 Comet CHA-250B Broadband Vertical Antenna By Bob Grove W8JHD. ; Wilson, F. Watts: 10W. antennas and power supply to achieve the 4 band capability. 5MHz to 51MHz). A handheld antenna with a rubber duck antenna. I wasn't expecting much - and I wasn't disappointed. Diamond X50A (X-50A X 50A) Sunday, April 24 2005 @ 20:30 The Diamond X50A dual band, single section fiberglass antenna for the 2 meters (3-1/4 wave) and the 440 MHz band (3-5/8 wave) bands. Showing constituent parts, build and installation. Only 1 ever failed and that was after 7 years of use. The required antennas are: a. Diamond CR8900A Quad Band Mobile Antenna. The Comet GP-15 is a pretty cool antenna that really delivers. Comet and Diamond both have an equivalent antenna but for this post we will use Comet as the example Popular Comet models are: Comet GP-3 - DualBand 146/446MHz - The Diamond X-50 … Comet vs. • Diamond F23H 2 m 3 x 5/8-wave collinear vertical ( $140, see reviews and manual) 4. net/reviews/ is an excellent source of user-supplied reviews. Go to our Orders page to browse our products and accessories and feel free to leave us feedback on our Contacts US Page or email us direct with your questions or comments at [email protected] Tram Dual Band NMO Antenna - Black. 70cm band is a bit lower in the middle. This HFJ-350M antenna seems very interesting. Diamond Antenna V2000A Tri Band Base Antenna (6m/2m/70cm) 5 out of 5 stars (6) 6 product ratings - Diamond Antenna V2000A Tri Band Base Antenna (6m/2m/70cm) $169. VSWR: Less than 1. 5MHz - 57MHz! It is not a 1/4 wave vertical, but an end-fed long wire type antenna with a matching transformer in a vertical position. Modelling of the solar /stellar wind two-jet structure induced by azimuthal stellar magnetic field. me DA: 15 PA: 50 MOZ Rank: 97. Used Model. There is a Marine radio, the Motorola CDM1250 and an external speaker. The Diamond D-777 has 3. The BNC (Bayonet Neill–Concelman) connector is used in a wide variety of electronic products and it used to be the standard connector for HTs. connectors. 3rd June 2017. Diplexers (and Triplexers and Quadplexers) A diplexer (or triplexer or quadplexer), is a bandpass filtering unit, usually L-C based, that allows multiple transmitters, or receivers on different bands to use a single feedline, antenna, or both. Cloud DVR with no storage limits. I also installed a 19 1/4" counterpoise at the antenna connection in the back. Very compact 2M/440 base antenna, easily hidden. They have primarily been mounted on 18 wheelers, work trucks, and off road vehicles so they have taken quite a beating from tree branches. Diamond Original NR770HB 144/440 MHz Dual-Band Mobile Antenna, Black, Gain: 3. Diamond V2000A vs. February 18, 2020 May 10, 2018. Minimum +6dB Gain over standard antenna Flexible Whip rubber ducky design Excellent for Handheld Scanners & Ham Radios High Quality and Competitively Priced Engineered and Made In Japan Over 35K sold through OEM & REMTronix brands REM-810S/REM-820S Uniden SDS100 compatible REM-830 Uniden. Comet GP9-N vs Diamond X500HNA. Watts: 10W. The Diamond X510NA was designed for strength and performance and is pre-tuned to achieve maximum gain in both the 2m and 70cm amateur bands. - Comet GP-1 - Diamond X50A Any first-hand experiences here with either, good, bad, or otherwise? Price is similar. DualBand Base / Repeater Antenna Product Specifications: Coverage: 2M/70cm Gain: 2M: 8. The Antenna Farm : Diplexers - VHF & UHF Mobile Radios Radio Accessories VHF & UHF Hand Held Radios Antennas Mobile Antenna Mounts SWR/Power Meters Adapters Coaxial Cable Two Way Accessories Antenna Accessories DC Power Supplies Coax Cable Accessories Amplifiers Connectors Aviation Radios Repeater Systems Towers & Accessories Scanners & Receivers Duplexers Diplexers & Triplexers VHF & UHF Base. Europe's leading Supplier and Distributor of Communications Equipment. Amateur Mobile Antennas. Price updated at 06/04/2021 22:13. Another great mobile radio antenna from the antenna specialists at Comet. Diamond V2000A vs. antennas or other equivalent antennas. 6 out of 5 stars 118 $73. Tho I probably shouldn't compare it to the CR320A, i have and it is IMO 5x better in all aspects, weight, design, length, appearance, function. Besides, it has an SWR of 1. Comet GP9-N vs Diamond X500HNA. Share I switch to Diamond, Comet, and Tram/Browning antennas. The following notes show the design and construction of a Broadband HF Vertical antenna which does not require a tuner, and which is capable of providing moderate performance on all bands from 7MHz to 28MHz (reduced performance from 3. Investing in a high-gain antenna will pay for itself in the long run. Free USA Shipping on Most Orders Over $50. Diamond X-300 (X 300 X300) Monday, January 30 2006 @ 16:30 Technical specifications :. Prove fatte prendendo nota e filmando ogni singolo Ripetitore e la mia voce da Venezia prima con la Comet GP 9 , poi successivamente rifatto il tutto dopo av. Below 2 MHz, the GAP outperformed the Comet by an average of 40 dB; from 2-6. It uses a very simple design of copper and brass wire sections connected together with a few capacitor traps and couplers, running up through the. Diamond's SRH77CA vs Signal Stuff Super Elastic & Comet SMA-24 Time Owned: 0 to 3 months. 5" Comet SS-680SB - 2M/70cm Dual Band Spring Mobile Antenna (PL259) Comet CP-5M Universal RS-730 Lip Mount w/Coax Attached. Motivation: The current Druplicon logo was created in 2004 - 11 years ago. Comet CP-5NMO Universal Adjustable Lip Mount w/PL-259 for NMO Style Antennas. Diamond gain specs, dB vs. NR73BNMO Dualband Mobile Antenna; Temporarily Sold Out. The Comet GP-3 outperforms all the previous vertical antennas I have used in the past. It uses a very simple design of copper and brass wire sections connected together with a few capacitor traps and couplers, running up through the. Diamond Antenna SRH77CA. DIAMOND ANTENNA CORPORATION Miyata Building,No. It has a cheap design with a separate. Don't get the wrong one, or the antenna won't be able to attach to the radio at all. Frankly, chosing to mount your antenna on the tower top only to get a few extra feet isn't worth a bent or broken metal support tube. Office Hours Mon-Fri 9-5 EST (781)430-0450. Showing constituent parts, build and installation. 170-0002 Phone:03-3947-1411 FAX:03-3944-2981 E-Mail:[email protected] 5 KW option) PA144-5-1. UHF-Female SO239 Cable End Connector RG-8 Coaxial Cable. Diamond Antenna rotary joints are electro-mechanical devices used to transmit radio frequency (RF) signals through a rotational interface via waveguide or coaxial lines. All i can say is wow the Craftsman ship seems just as good as Diamond if not better. Vertex USB Programming. Diamond also makes a F- 23 which is a dual band i think. Two steel wall brackets (parts box). Professor, Department of ECE, K L University 2Student, B. Diamond D-150 (D 150 D150) Monday, January 30 2006 @ 16:30 PDF User Manual for Diamond D-150 (D 150 D150) : Diamond D-150 User Manual Technical specifications :. The Comet sbb-224 tri-band mobile antenna for 446mhz. the unit accepts most caravan taps (comet novo, comet london, reich deluxe). I had a Diamond on mine and it worked better than the duck that came with the radio. Check eHam for actual user reviews. Add to Bundle. cable coax. The good the bad and the ugly (Part 2) Dave M0TAZ. 5 / 7/14/21/28 / 50MHz, with radial kit loaded in each room, the maximum applicable power 200 Watt (SSB), an impedance of 50 ohms, better VSWR of 1, 5, 4. Comet Antennas SMA-503 Quick View Diamond Antenna SRH519. Comparison: Diamond SG7500A and Comet SBB-5 dual band mobile antennas[LONG] 12. So, if you don't care about those bands; then the Comet is the sure bet. Posted date: March 24, 2021 in: Antenna. Price: $17. net/reviews/ is an excellent source of user-supplied reviews. A second copy of this antenna is doing yeoman’s service at my radio club’s HF. Having been without VHF/UHF at my present QTH for over two years, I decided to purchase another collinear. Live Chat; Contact Us; Free Tech Support; WARNING: Cancer and Reproductive Harm - www. How many Hustler, Comet or Diamond antennas will you go through in 20-30 years? The DB-224 is rated at 80 MPH winds, but that's wishful thinking unless you side mount it with clamps on BOTH the top AND the bottom. anyone has comments about the advantages/disadvantages of these two. The CP22E blew them both out of the water. When retracted the lenght is 19. I use the Comet antenna because it's sections are supposedly soldered together whereas the Diamond antenna is crimped. - Comet GP-1 - Diamond X50A Any first-hand experiences here with either, good, bad, or otherwise? Price is similar. regarding size vs. Diamond NR770HBNMO vs. Minimum +6dB Gain over standard antenna Flexible Whip rubber ducky design Excellent for Handheld Scanners & Ham Radios High Quality and Competitively Priced Engineered and Made In Japan Over 35K sold through OEM & REMTronix brands REM-810S/REM-820S Uniden SDS100 compatible REM-830 Uniden. PL259 - Also known as UHF Male. 5-57 MHz Read the reviews on eham. • Diamond F23H 2 m 3 x 5/8-wave collinear vertical ( $140, see reviews and manual) 4. Comet CF-530C Duplexer 1. The antenna worked no better or worse than I expected. 15-1,1-chome Sugamo,Toshima-ku Tokyo,Japan. 0dBi 1/2 wave 440MHz: 6. It worked pretty good until I inherited a Diamond X-300, which I use now since it has more gain than the GP-3. I've built several antennas with varying results, and I've enjoyed the learning process. If you truly feel that size matters, this may be the one. Diamond X-200N. Connect one end of the jumper to the back of your radio. Diamond HF-V5 HF Dipole Antenna. Comparing Comet CHA-250 Vertical VS. Dual-Band High Gain Handheld Antenna Rx: 120~900 MHz. I reccomend changing your mount if you're using a mag mount, and sticking with the 7500. These items are shipped from and sold by different sellers. Comet Antennas. "DIAMOND" has one similar to the Comet called the BB7V. For this you will need your meter and a short jumper of coax with the correct connectors on it (usually PL-259s). Was installed on my roof for years – absolutely wonderful antenna. These superior-quality base station antennas feature a three-piece, heavy duty, UV-stabilized fiberglass radome for many years of reliable service. We had 1 of this item in stock at the time of the last update. They are all better performing and have been very durable. VSWR: Less than 1. Don't let H. I run a Cobweb antenna amongst others and it covers 10-20m with no tuner required and mounts on a pole. Diamond vs Comet 2m/222/440 Omni? 5. Perfect for outdoors, attic or closet installations. Diamond ® Antennas are sold through authorized dealers. com, 4/9/12 Introduction Having limited space led to the design of this multi-band antenna array, which has a foot print of approximately 15 feet. Super Beam high gain 2/70 dual ban. HRO Discount Price: $48. Loops are commonly rumored to have less noise than other antennas. Cable Coax. I use the Comet antenna because it's sections are supposedly soldered together whereas the Diamond antenna is crimped. OSJ - Business Band, Marine Band & MURS 150-162 MHz. Add to Bundle. Connect one end of the jumper to the back of your radio. NASA Astrophysics Data System (ADS) He, Maosheng; Vogt, Joachim; Heyner, Daniel; Zhong, Jun. Now connect the other end to the "Transmitter" socket on the SWR meter. If you have the coax cable assembly already, use the RS730 or RS-840 brackets. Below 2 MHz, the GAP outperformed the Comet by an average of 40 dB; from 2-6. Alan Dick Jampro JFWD Broadband Folded Dipole FM Antenna. To start with my antenna is a Comet CMA-CA-2X4SRNMO which you may or my not know is almost 40" long and is a very stiff antenna, a lot more stiff than I thought it would be but I wanted the extra freq. Reviewed by Bob Allison, WB1GCMAssistant Laboratory [email protected] Comet Antennas CX-333 Tri-Band 146/220/446MHz Base Antenna, 10'4", SO-239 Conn. Got this after being on back order a month hot seller got from Universal Radio Dual band amateur radio Antenna high wind load for FL Coast. Show details. frequency charts for any specific antennas are not available. I'm not exactly sure how to actually go from here to do that, though, and I end up waffling between that setup and just going the easy route of getting a quad band antenna (either the Diamond or Comet quad band antenna). The Comet SMA-24, The Diamond SRH77CA each of which I have used for while, and the Signal Stuff Super Elastic signal stick. The Pre-Tuned 144 MHz to 148 MHz VHF/430 MHz to 460 MHz UHF Amateur Dual-Band Base Antenna with black fiberglass will offer premium service for many years to come. 70cm band is a bit lower in the middle. Comet and Diamond both have an equivalent antenna but for this post we will use Comet as the example Popular Comet models are: Comet GP-3 – DualBand 146/446MHz – The Diamond X-50 … Comet vs. There is a Marine radio, the Motorola CDM1250 and an external speaker. Great antenna for the price Time Owned: 6 to 12 months. VHF (Ham band) 144-148 MHz (2 Meter band) UHF (Ham band) 420-450 MHz (70-centimeter) The best antenna upgrade for these Ham Radio bands: >> NAGOYA NA-771. Amateur Antennas : The Comet CHA250B broadband vertical antenna will amazingly cover 75/80 meters through 6 meters with no gaps! Transmit range is 3. Comet Mobile VHF/UHF Vertical Antennas are offered in several dual-band styles to suit your needs. Free shipping. 2018-01-01. ML&S Martin Lynch & Sons, Staines, Surrey UK. NASA Astrophysics Data System (ADS) Bleacher, J. I would suggest you narrow your selection down then do some research. Diamond NR770HBNMO vs. Includes 65 feet of RG-58A/U coax with PL-259 connectors installed. STUDY TYPE Nifty Manuals MISC. Dual band antenna options on the Baofeng HT The antenna connection on the Baofeng is a reverse SMA An adapter is an option for conversion Possible direct screw-in antennas: Nagoya NA-771 $17. Bingfu Gooseneck CS Tactical Antenna 13 inch Dual Band VHF UHF 136-520MHz SMA Female Ham Radio Antenna Compatible with Kenwood Baofeng UV-5R BF-F8HP UV-82 BF-888S UV-5X3 UV-9R Handheld Two Way Radio. Very well built antenna and performs good on 2 meters but great on 70 cm. We have been able to communicate over distances in excess of 20 miles utilizing UHF under the base to mobile situations. A Diamond, Comet, MFJ 5" Mag or other mobile mount can be used. The bottom line is if you work repeaters that are consistently full scale signal reading with a larger antenna the Comet SMA-501 will definitely work well. They are relatively cheap, with some only costing 75 dollars, and can dramatically increase your coverage and make your miner a better witness (which gets you paid). Used Model. I didn't need to use that on the TH-F7, on the Wouxun KG-UV2D with the SMA gender changer screwed in instead, it proved really useful. Diamond X50A dual band 2m/70cm b. I used a 50ohm low loss extension cable 1m long and weaved it through my cumberbund and back to a diamond srh77ca antenna (added bnc connectors to all). Comet CF-530C Duplexer 1. Re: Comet CHA250B II Antenna - Diamond BB7V. Add to basket. These antennas are roughly half the price of the Diamond models listed above and provide most of the performance enhancements. 6:1 continuously from 3. These superior-quality base station antennas feature a three-piece, heavy duty, UV-stabilized fiberglass radome for many years of reliable service. The 5/8 wave antenna consists of a vertical radiator which is fed at the base of the antenna. 3rd June 2017. Login to Dropbox. connectors. A Diamond, Comet, MFJ 5" Mag or other mobile mount can be used. Free Shipping on AT5888UVIII. See attached diagram. 220, 440 Comet Tri-band antennas: CX-333, SBB-224, SBB-224NMO. Comet Original Vertical HF Antenna. DIAMOND ANTENNA CORPORATION Miyata Building,No. ; Wilson, F. MPX Elettronica Comet CHL-19 ANTENNA BIBANDA VHF/UHF VEICOLARE ABBATTIBILE [05759101] - Comet CHL-19 ANTENNA BIBANDA VHF/UHF VEICOLARE ABBATTIBILE CARATTERISTICHE TECNICHE Gamma operativa. Because dipoles are directional, as seen in the "Dipole Radiation 3D Pattern". 5 dB Gain on UHF Approximately 37" tall Black Chrome Plated Stainless Steel Whip Rated for 100 Watts Pre-Tuned for 144-148 MHz and 430 - 450 MHz NMO base ( Mount. I've got a Comet GP-3 and it works great. One other deployment option is to run either antenna outdoors on my deck using a pole I can extend during emergencies. Add to Wish List. Motivation: The current Druplicon logo was created in 2004 - 11 years ago. MP1B forms the basic core antenna of the various MP1x series Super Antennas. 15-1,1-chome Sugamo,Toshima-ku Tokyo,Japan. I take great pride in my work and am always trying to raise the bar. Topics of discussion were: solar corona, MHD waves and turbulence, acceleration of the solar wind, stellar coronae and winds, long term variations, energetic particles, plasma distribution functions and waves, spatial dependences, and minor ions. I have many Diamond antennas over the years. X-300 Radio. super beam high gain 2/70 dual. 25m (220) Vertical; Diamond F1230A 23cm (1. RG58 MINI 8 MINI 8 W/CONNECTORS RG8 RG8 W. This antenna features a fold-over design and pl-259 connector. Dual band antenna options on the Baofeng HT The antenna connection on the Baofeng is a reverse SMA An adapter is an option for conversion Possible direct screw-in antennas: Nagoya NA-771 $17. Stream live TV from ABC, CBS, FOX, NBC, ESPN & popular cable networks. 95 Save $10. This is a good thing because you can mix and match according to your needs. CD95Y Broadband Directional FM Yagi Antenna. CommScope DB408-B 450-470 MHz Folded Dipole Antenna 8. , GP-6 vs GP-3), the pattern is compressed in elevation. One hand radio. Re: Comet CHA250B II Antenna - Diamond BB7V. 9 foot package. Comet M-24M I won't repeat all the details except to say this was a solid upgrade from that mag mount, especially at 70cm, as these measured patterns make clear. Diamond gain specs, dB vs. 15 dBi, Max Power: 10 Watts, Length: 15″) BNC. The Diamond HFV40 has been around for some time. It is far less bulky than the Diamond antenna. Scorpion Antennas™ are designed for amateurs that demand outstanding performance. connectors. COMET HFJ-350M "Box Set" with carrying Pouch or "TOY BOX" as Comet call it! 10-Band 1. More Info Add to Bundle. The GP-15 covers 6 meters, 2 meters, and the 440 band. «BUTTERNUT» makes the HF6VX, but you need to buy extra kits to add some of the bands. 144/220/440 MHZ MOBILE. Amateur Antennas : The Comet CHA250B broadband vertical antenna will amazingly cover 75/80 meters through 6 meters with no gaps! Transmit range is 3. Barker & Williamson has been a recognized leader worldwide in the manufacture of the highest quality HF broadband antennas, fiberglass masts, air wound coil stock, and other radio parts for military, government, EOC and commercial use since 1932. 5:1 or less Max Power: 200 watts Length:&nb. quad antenna, how to build a quad antenna for ham radio use category is a curation of 85 web resources on , The Cubical Quad is Beautiful, Two portable antennas for 6-meter, Designing VHF/UHF Quad Antenna. Frankly, chosing to mount your antenna on the tower top only to get a few extra feet isn't worth a bent or broken metal support tube. Diamond's SRH77CA vs Signal Stuff Super Elastic & Comet SMA-24 Time Owned: 0 to 3 months. Comparison: Diamond SG7500A and Comet SBB-5 dual band mobile antennas[LONG] 12. I ran into the same situation on my 08 Ram when i mounted my dualband antenna so I can tell you how it ended up for what its worth. The Comet CHA-250B is a newly designed broadband vertical requiring NO GROUND RADIALS. The Diamond X50A dual band, single section fiberglass antenna for the 2 meters (3-1/4 wave) and the 440 MHz band. Diamond X-200M. The gp3 is a substandard antenna & wish i would of purchased the gp6 instead, i doubt the dbi gains are accurate. 15 dBi (70cm) Rated against typical stock HT antennas. Solar wind controls on Mercury's magnetospheric cusp. In order of increasing purchase price this is what I've turned up: Autek RF-1 - $139. Joseph, MO 64505. DualBand Base / Repeater Antenna Find all of your rope, pulleys, carabiners, and guying needs here! Product Specifications: Coverage: 2M/70cm Gain: 2M: 4. 2 on 2 meters and 1. 6 accounts per household included. Ancillary items can be incorporated to pass system power, data signals, fiber connections, air and/or fluid to form a complex integrated rotational subsystem. NEW ELEMENTS SHIP FREE - IN STOCK - Bird RF Wattmeters & Elements. When retracted the lenght is 19. At any rate, I upgraded my home made dipole to a Diamond X50A and wanted to share my experience. I still use the GP-3 for the VHF contests when camping out on mountain tops. Hope it holds up in the long run, as it sure is the nicest mobile antenna I have ever had the privilege of owning after 23 plus years in hamming it up. Quick View Diamond Antenna SRH77CA. WEIWEI, AI 2221171 2225277 2226361 Ai Weiwei is one of today. Diamond NR770HBNMO vs. Super Beam high gain 2/70 dual ban. Comet GP9-N vs Diamond X500HNA. 170-0002 Phone:03-3947-1411 FAX:03-3944-2981 E-Mail:[email protected] Allocca, WB2LUA, www. Optional Spring for Comet CA-2X4SRB VHF/UHF Dualband Antenna. Andrew / Decibel Antenna Side Mount Kit. Add to Cart. Diamond BB7V, 22 ft, 250 W, 2 to 30 MHz Comet CHA-250 23ft 5in, 250 W, 3. 8 mt, direct current radiating element directly to earth to protect the equipment against overcurrents and lightning, wind speed 40m / s maximum, accepts Ø poles from 30. Our OTA TV guide lists the television shows you can be watching for free with any quality TV antenna. Diamond's SRH77CA vs Signal Stuff Super Elastic & Comet SMA-24 Time Owned: 0 to 3 months. 9 foot package. NEW ELEMENTS SHIP FREE - IN STOCK - Bird RF Wattmeters & Elements. Watts: 10W. I could only hear Amtrak when the trains were within two miles. The measured gain is from end of antenna feed line. He had a space on a large tower to where the antenna needed to be "invisible" to the untrained eye. One of the important factors you will come across while shopping for ham radio antennas, is what kind of connection they have. restrictions keep you off the air!. I wasn't expecting much - and I wasn't disappointed. 170-0002 Phone:03-3947-1411 FAX:03-3944-2981 E-Mail:[email protected] Two, it's a low moment antenna design when you look at commercial antenna designs from companies such as Larsen and PCTEL which helps reduce roof flex on large sheet metal surfaces and reduces the likelihood of an antenna strike damaging the roof (unfortunately, Diamond and Comet choose to design their antennas stiff and heavy which increases. range as I am also a first responder. 9 foot package. com DA: 25 PA: 50 MOZ Rank: 93. Big signal in a small package. WEIWEI, AI 2221171 2225277 2226361 Ai Weiwei is one of today. Anteenna TW-999BNC BNC Male Handheld Antenna Scanner Antenna (20-1300MHz) with BNC Male Connector for Scanner Radio and Frequency Counters. I broke the Diamond as it didn't work well while clipped to my belt moving and bending over and picking up things, etc. Quick View Comet Antennas SMA-503. As with most of these antennas swr increases with power level to some extent. I know this is an old post but I just got a Diamond HFV-5 that seems to be the same as the Comet. It is far less bulky than the Diamond antenna. I have no experience with the Diamond antenna but I suspect it's very similar to the GP-6. Comet GP15. 5 m / 350 W / 7. I have many Diamond antennas over the years. Antennas for HF base use Simple wire antennas. All the local hams I know, plus the top comment agreed, diamond is the way to go. Sold by Hamcity com and ships from Amazon Fulfillment. 9 out of 5 stars. Elk Antennas was started to give the Ham the best Log Periodic antennas with the best gain, directivitiy, and front-to-back ratio possible for the size and price. Diamond CP-610 dual band 6m/10m c. Tho I probably shouldn't compare it to the CR320A, i have and it is IMO 5x better in all aspects, weight, design, length, appearance, function. Get big performance from a small space! Comet Antennas is a leading manufacturer of space-friendly antennas designed to make the most of tight spaces. Bluetooth (2. One hand radio. Ground Plane Base Antenna 2 Meter 70cm Dual Band HDuty Amateur Radio Ham Scanner. Diamond gain specs, dB vs. 8 dBi ( pattern) / 90 mph. 1 x Comet Antennas M-24S + $39. - so called 3 dB Midland NMO antenna showed three bars. Comet 5D4N - Low-Loss Mobile Coaxial Cable Mount Type N Connectors. The last VHF antenna to be tested was the YHA63 which comes with the Yaesu FT-818ND. COMET 3D4N4 METERS 3. It was originally published in 2016. Our antennas work great in Mobile, Home and Portable settings. Other types of mounts include UHF, N, and 3/8″ threaded stud. One hand radio. Diamond X50A dual band 2m/70cm b. Choose any one of the pre-set amateur band frequency ranges and press the sweep button. The decibel scale is logarithmic, so a loss of 3 Db is a 50% reduction in power. Got the Comet SBB-5 Today. "BUTTERNUT" makes the HF6VX, but you need to buy extra kits to add some of the bands. Alan Dick Jampro JFWD Broadband Folded Dipole FM Antenna. Diamond's SRH77CA vs Signal Stuff Super Elastic & Comet SMA-24 I have three similarly sized HT antennas. Fits perfectly, hasn't move at all. Comparison: Diamond. I also have the CompacTenna Scan-III model, which also does VHF/UHF as well as GMRS, business band, marine, MURS. org The … K6MYC on Antenna Testing. Comet CF-530C Duplexer 1. Bingfu Gooseneck CS Tactical Antenna 13 inch Dual Band VHF UHF 136-520MHz SMA Female Ham Radio Antenna Compatible with Kenwood Baofeng UV-5R BF-F8HP UV-82 BF-888S UV-5X3 UV-9R Handheld Two Way Radio. View the manual for AT5888UVIII. SKU: SIRIO-2218505. Diamond or Comet better HF mobile antenna? 13. 16 watching. - so called 3 dB Midland NMO antenna showed three bars. 19" 28" and 43" 'Tactical Antennas'. Only 1 ever failed and that was after 7 years of use. 6 foot RG-316/B or Comet’s 12 foot RG-58. Topics of discussion were: solar corona, MHD waves and turbulence, acceleration of the solar wind, stellar coronae and winds, long term variations, energetic particles, plasma distribution functions and waves, spatial dependences, and minor ions. DualBand 2M/440MHz base antenna, the smallest dualband base antenna Comet makes. , GP-6 vs GP-3), the pattern is compressed in elevation. 8-50MHz portable Antenna with carrying pouch Ideal for use with Icom IC-705 and similar portable radios - see pictures. Each antenna model is carefully planned and developed to ensure great transmission over many uses. I used it during Field Day and thought it worked fine for what it was. 32 to 1 and I am thrilled. Our motorized antennas and stainless steel mounts are designed with the most avid HAM radio operator in mind, as well as commercial applications. HRO Discount Price: $169. Free USA Shipping on Most Orders Over $50. Comet M-24M. I've got a Comet GP-3 and it works great. Comet vs Diamond. which I received today. +But I have noticed something else. It didn't come with the coax and antenna connector. This is one of many amateur/ham radio themed videos on this channe. Besides, it has an SWR of 1. 4dB on VHF (120MHz) and 5. One thing to consider, in order to get greater gain in an omni-directional vertical antenna (e. Your Price: $114. The Comet CA-SPR 'Optional Spring Section' adds flexibility and durability to your Comet CA-2X4 Series antenna, without disabling the fold-over hinge feature. 0dBi 1/2 wave 440MHz: 6. Diamond CR8900A Quad Band Mobile Antenna. This antenna features a fold-over design and pl-259 connector. Weighs about 1/3 as much a a matter of fact. We had 1 of this item in stock at the time of the last update. SWR is in the 1. Installation/Assembly Instructions - Radiation Patterns - Warranty Info. I wasn't expecting much - and I wasn't disappointed. For Indoor or Outside field use. The CF-416 models are for 146/446 MHz. Unusual in that its frame was constructed mostly of wood, it was nicknamed the "Wooden Wonder", or "Mossie". I previously purchased a Comet GP3 from ML&S and it served me well, removing it after four years service it looked almost as good as new. RG58 MINI 8 MINI 8 W/CONNECTORS RG8 RG8 W. Current sheets are important for the structure and dynamics of many plasma systems. Add to basket. DESIGN AND ANALYSIS OF DISCONE ANTENNA 1B. I'm not exactly sure how to actually go from here to do that, though, and I end up waffling between that setup and just going the easy route of getting a quad band antenna (either the Diamond or Comet quad band antenna). Regular Price: $384. A close up of the HFJ antenna. study type nifty manuals misc. Our next project will be adding a documents and information page about Hi-Q Antennas. Dual Band Antenna Gain: 6 dB (2m), 8 dB (70cm) Max Power Rating: 200 Watts. Description: Full 1/4 wave antenna with Motorola type mount for vehicle installation. Check out this CompacTenna dual band ham antenna, only 7. Super Vertical HF Antenna. (2m: 3 x 5/8 and 70cm: 8 x 5/8). X-300 Radio. They have primarily been mounted on 18 wheelers, work trucks, and off road vehicles so they have taken quite a beating from tree branches. WEIWEI, AI 2221171 2225277 2226361 Ai Weiwei is one of today. Phillip Johnson KI4EYM. (Click on the thumbnails to enlarge the photo) The antenna is very similar in design to the Comet antennas and uses the same mounting system as the Comet antenna with a aluminum sleeve at the bottom of the mount with extruded aluminum brackets and stainless steel U-bolts.