Comet Cha-250b Antenna Manual
- Comet Cha-250b Antenna Manual Model
- Comet Cha-250b Antenna Manual Instructions
- Comet Cha-250b Antenna Manual Online
HF Omnidirectional Vertical Comet CHA-250B base antenna 6 to 80 meter for Amateur Radio Communication. Comet CHA250B HF/VHF vertical antennas make the most of a tight situation! When you have too little space and too much regulation, Comet CHA250B HF/VHF vertical antennas can offer easy assembly and setup, no ground radials, no tuning or adjustments, and VSWR under 1.6:1 from 3.5 MHz to 57 MHz! Plus, the wide bandwidth is not only good on ham bands, but on shortwave bands as well, making these antennas perfect for an SWL wanting a low-profile, all-in-one antenna. UHF female connector.
Jan 26, 2014 I took down the fan dipole yesterday and placed the CHA-250B on the mast feeding it with LMR240. There is still the VHF/UHF antenna mounted but with an offset bracket to separate the two antennas. Now, I'm seeing a lot of noise. On 20m I've got S7 of noise and my signal does not seem as good as before, such as when listening for the beacon. B is an interesting antenna. FT-950 Utility Manual - K9ROD: My first antenna after some research was the Comet-CHA-250b. We worked with a new Comet CHA-250B multiband with the air mast at different heights to. B is an interesting antenna. FT-950 Utility Manual - K9ROD: My first antenna after some research was the Comet-CHA-250b. We worked with a new Comet CHA-250B multiband with the air mast at different heights to. Iain, VK5ZD, posted some interesting information regarding the internal construction of the Comet CHA-250B broadband vertical antenna. The notes can be found here. Following e-mail discussions with other amateurs, I now understand that the Comet HA-750BL Comet VA-250 use similar principles of operation, and are based upon a design which. This antenna is also a great choice for Band DXCC QTH Comet CHA250B 2-el Yagi @ 45' ATT MARKER HOLD CENT/FIX SET Photo E— A snapshot of the 31-meter shortwave broadcast band. The frequency range displayed is 9.465 to 9.965 MHz.
| Features | |
| Features | Broadband: TX 3.5 – 57MHz RX 2.0 – 90MHz VSWR: 1.6:1 or less Max Power: 250W SSB Impedance: 50 Ohm Length: 23’5″ Weight: 7 lbs 1 oz Connector: SO-239 Mast Size Required: 1″-2″ diameter Max Wind Speed: 67MPH |
- Brand: Comet
- Product Code: COMET
- Availability: In Stock
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HF VERTICAL ANTENNA COMET CHA-250B
| Apr 28th 2013, 14:59 | |
HK5FCIJoined: Jun 10th 2002, 00:00Total Topics: 0 Total Posts: 0 | Good morning. I´m thinking about purchasing the above antenna and I´d like to hear the experience of those of you that own it, as to performance. TKS |
| May 2nd 2013, 19:03 | |
KB3IKDJoined: Jul 30th 2002, 00:00Total Topics: 0 Total Posts: 0 | It works. I was surprised how I got out on 160 meters. I live in the Baltimore, MD. area and can talk to Hams in Penna. 20 meters is the strongest I think. Along with 17 meters & 15 meters. It works on 40 and 75/80 meters they can hear you. I've worked DX with the antenna. Italy, Germany, and England. Cuba and Puerto Rico and Spain and U.S. Virgin Islands and Nova Scotia. This is a compromise antenna, it will get you on the air, nothing spectacular as your are limited to 250 watts. Mine has held up in the strongest wind and was easy to put up, I did it myself. It costs nearly $500, pricey. Pay attention as to the height you erect it according to instructions. Eddie Briggs KB3IKD Dundalk, Maryland |
| Nov 13th 2013, 19:20 | |
KT8DXJoined: Apr 4th 1998, 00:00Total Topics: 0 Total Posts: 0 | Likewise, mine works pretty well. I had it mounted on a 17 x 17 foot chain link fence and got out well. I currently have it ground mounted on a post sunk into the ground and performance isn't quite a good, but still acceptable. I'm planning on running some radials to mimic the fence to see if performance improves. Note that this is a compromise antenna from beginning to end. With that being said, it does work and is often the best, if not only solution. Hope this helps. |