Comet CHA-250B HF Vertical Antenna
The newly designed Comet CHA-250B broadband vertical antenna with NO GROUND RADIALS. Covering 75/80 metres through 6 metres with no gaps! Transmit range is 3.5 - 57 MHz and receive range is 2 - 90 MHz. SWR <1.5:1.
The CHA-250B is EXTREMELY easy to assemble, requires no tuning or adjustments and VSWR is under 1.6:1 from 3.5 - 57 MHz! This 23.5 foot vertical requires no radials and weighs only 7.1 lbs. The antenna consists of five sections of aluminum tubing that slide into each other. The bottom section has the matching network built-in. Only two simple measurements are required during the easy assembly. It can handle 250 Watts SSB and 125 Watts CW/FM. SO-239 input.
Mounts on a 1.2 to 2.8 inch mast (not supplied). Rated for 108 KPH (67 MPH) wind survival. The recommended mounting height is 8 to 10 feet from base of the antenna to ground. Best performance is realized when installed 33 feet above ground. |