[ICOM] Fw: RE: AH-4

[PA3DUV]

Interesting info concerning the AH4 can be found at:

http://home.comcast.net/~hamlakemn//ah4/ah4.htm


73, Dick Knol
PA3DUV
----- Original Message ----- 
From: "C Whitaker" <whitaker at pa.net>
To: "ICOM Reflector" <icom at mailman.qth.net>
Sent: Saturday, April 16, 2005 9:12 PM
Subject: Re: [ICOM] Fw: RE: AH-4


> de WB2CPN                 2005.04.16
> 
> I've had the AH-2 and AH-4 for many years and
> they've been on a pole at eye level.  They have
> a good gasket all around the lid.  The trick is
> to get the coax and the control cable in without
> leaving space.  I use Goop (tm) and that works
> very well.  They can be mounted inside the vehicle
> as long as the inside part of the antenna is not
> more than two inches at the most.  This is because
> you don't want a lumped-constant capacitor hanging
> on the output of the AH-4, which is what you'll
> get if you run the antenna very far inside the
> vehicle.  (There's a small screw with a gasket on
> the bottom of the AH-4.  There's where you can check
> for water like the airplane people do. I've never
> found any.)
> 
> I've had three troubles with AH-2 and AH-4: (1) the
> voltage regulator failed, (2) inductor relays had
> one failure.  RS has clone. (3) lightning strike
> took out the CPU.
> 
> 73  Clete
> 
> 
> 
> 
> ----
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