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In all fairness, Comet makes no grand claims about the CHA250B, calling it a compromise antenna suitable for tight spaces or portable operation and covering 6M to 80M with good SWR on amateur bands. They recommend putting it up at lease 35 feet and adding a common mode choke to the feedline.
- Reviews For: COMET CHA250HD HF VERTICAL
Review Summary For : COMET CHA250HD HF VERTICAL; Reviews: 4...
- Reviews For: COMET CHA250HD HF VERTICAL
Review Summary For : COMET CHA250HD HF VERTICAL; Reviews: 4 MSRP: $399.99; Description: Non-radial ultra wide band ground plane vertical antenna. TX 3.5~57MHz. 50 Ohm impedance, standard PL-259 coax connector. 250W on SSB, 75W on digital mode. Rated for 67 mph wind load. 23.4 ft height, 7 lbs. weight. Product is in production
9 Αυγ 2024 · I've been reading a ton about vertical HF antenna options, and I know this particular antenna (and the original CHA250B) have a mixed bag of opinions/reviews. I believe that @prcguy (paraphrasing) called it a great dummy load for the end of one's coax.
There are a lot of 80-6 vertical antennas out there. Most are above 20' and a few reach above 30'. When you say 10-15' pole, do you mean the antenna itself, or a pole to mount the antenna onto?
9 Οκτ 2024 · The Comet CHA-250HD is an advanced iteration of the highly regarded CHA-250B vertical base antenna, designed for amateur radio enthusiasts seeking versatility and performance across a broad range of frequencies.
“The Comet CHA-250B is a newly design broadband vertical with NO GROUND RADIALS. This antenna is EXTREMELY easy to assemble, requires no tuning or adjustments and VSWR is under 1.6:1 from 3.5MHz – 57MHz!”
6 Ιουλ 2015 · Many people buy the Comet 250B as a new ham and as their first antenna and have nothing to compare to. The really poor performance of the Comet can turn a new ham off on HF leaving them with the opinion that HF is a lost cause.
