[Icom] AH-4 and coax

Fri, 15 Mar 2002 11:52:31 -0800

Robert,

The AH-4 is not optimised for loads which would typically be fed via coax.
It is intended for use with complex loads such as electrically short
verticals (e.g. mobile whips) and random-wire antennas.

To match your IC-706 to a near-resonant antenna (typically coax-fed, with an
SWR excursion no greater than 3:1), the AT-180 is the recommended autotuner.
The AT-150, available on the second-hand market, will also do the job.

Best 73,
Adam, VA7OJ/AB4OJ
North Vancouver, BC, Canada
http://www.qsl.net/ab4oj/
Note new e-mail address:
mailto:[email protected]

-----Original Message-----
From: [email protected] [mailto:[email protected]]On
Behalf Of Robert Mess
Sent: Friday, March 15, 2002 11:04
To: [email protected]
Subject: [Icom] AH-4 and coax

I don't remember seeing this discussed. I wonder if anyone has used his
706mk2g / ah4 with coax on the output rather than to feed a long wire? I
don't use my radio mobile but would like an auto tuner to protect it.

Robert L. Mess WS2U
Watson School of engineering and Applied Science
Binghamton University
POB 6000
Binghamton, NY 13902-6000
607 777 6039
607 777 4822 (fax)