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.

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

CHA-250B COMET CHA250B. The CHA-250B will make the most of these. HF Manual: Books: Study Guides: Cable, Coax, Wire: HT. Table of Contents Disclaimers. My first antenna after some research was the Comet-CHA-250b vertical. COMET-NCG CHA-250B 3.5. The Comet CHA-250B is a newly design broadband vertical with NO GROUND RADIALS. This antenna is.

Brand: Comet
Product Code: COMET
Availability: In Stock

Comet CHA250B HF/VHF Vertical Antenna By: Dan Dankert N6PEQ n6peq@dxer.com In February, Mick Stwertnik of NCG offered me the opportunity to test the new Comet CHA250B HF/VHF vertical antenna. With the ARRL SSB DX contest just a couple of weeks away, the timing was perfect!
I recently purchased the Comet CHA-250B from Gigaparts a short time ago and true to 'advertised' and 'reviewed' form it provided an excellent SWR across all bands with most providing an initial 1.0 to 1.5 before tuning. It's deaf and mute on 17, 15, 12, 10 and 6.

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Comet Cha-250b Antenna Manual

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HF VERTICAL ANTENNA COMET CHA-250B

Displaying 1-3 of 3

Apr 28th 2013, 14:59
HK5FCI Joined: Jun 10th 2002, 00:00 Total 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
KB3IKD Joined: Jul 30th 2002, 00:00 Total 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
KT8DX Joined: Apr 4th 1998, 00:00 Total 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.

Comet Cha-250b Antenna Manual User

Displaying 1-3 of 3

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