The Comet CHA-250HD is the revised CHA-250B.
The top section of aluminum has been replaced with a solid whip for greater flexibility and less strain on the lower sections in high winds. A uniquely designed broadband vertical requiring NO GROUND RADIALS.

This is EXTREMELY easy to assemble, requires no tuning or adjustments and VSWR is under 1.6:1 continuously from 3.5MHz - 57MHz!

It is not a 1/4 wave vertical, but an end-fed long wire type antenna with a matching transformer in a vertical position.

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

If you have the space, budget and desire to erect a full size antenna system we suggest you do so... bigger is better...however...if you live in an antenna restricted area and must manage with antenna or space restrictions or you simply wish to operate incognito you will be forced to make significant antenna compromises. The CHA-250HD will make the most of these circumstances!