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Re: [Amps] HM-102

To: "Frank Mayer" <domino@worldlynx.net>, <Amps@contesting.com>
Subject: Re: [Amps] HM-102
From: "George & Marijke Guerin" <gmguerin@voyager.net>
Date: Tue, 7 Oct 2003 10:12:46 -0400
List-post: <mailto:amps@contesting.com>
Frank, et.al.,

The first thing to do is to nul the SWR by adjusting C4, the trimmer in the
bridge circuit.

Some information is at:
http://www.qsl.net/kb7rgg/heath/Service_Bulletins/sb-hmxxx.doc
This does not require a viewer program.

I assume there is some calibration of the various ranges by putting another
known watt meter in series with the HM102 and a good 50 ohm dummy load and
adjusting for an equal readings.

George    K8GG

----- Original Message -----
From: "Frank Mayer" <domino@worldlynx.net>
To: <Amps@contesting.com>
Sent: Monday, October 06, 2003 8:50 AM
Subject: [Amps] HM-102


> Does anyone know the alignment procedure for the HM-102 Heathkit
wattmeter?
> I have no manual.  Thanks.
> Frank, WY3D
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