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12 Ιουλ 2020 · Taking a look at this dynamic HF Vertical antenna from Comet. It's not perfect, but it's better than you would think.
7 Σεπ 2010 · 77. 28K views 14 years ago. Following my discovery that eHam have pulled my review of the CHA250 (done a couple of years ago and was on the site for a long while) I thought I would make a...
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.
In this weeks video we setup a comet CHA-250BX2 antenna and see if its any good.
“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!”
Review Summary For : Comet CHA250B. Reviews: 139. MSRP: 449. Description: The Comet CHA250B broadband vertical antenna will amazingly cover 75/80 meters through 6 meters with no gaps! Transmit range is 3.5-57 MHz and receive range is 2-90 MHz. SWR <1.5:1.
26 Ιαν 2014 · I know lots of folks hate this antenna. But I was really shocked today when I was comparing the CHA-250B to that of my ATA120A screwdriver antenna on my truck and trying to access a 6M repeater north of me. My truck with the ATAS could hit the repeater just fine with about S9 and full quieting.
