RE: [amsat-bb] Calibration of AZ-EL

["Scott Elliott" <scott@xxxxxxxxxxx>]

I print of a map of the local area, and use the surrounding to figure
out where im pointing, not very accurate, but it must be good as that
how I sort out my dish for ao-40 (when it was up).

Elevation is a bit harder, you just use you're eyes :), but for the
dish, I normaly just connect a little transmitter into the rx, and take
an ht up with me, so I can hear the best signal. 

Because I know the average elevation for my dish, I guess where it
should go, when ao-40 is up, I know the correct elevation. So I just
wiggle it about to get the best signal to get it dead on target.

As for the 70cm's yagi, a degree or 2 isnt much :).

Going to be getting a new setup for ao-40, one of them james miller
(correct name? :) dishes and helix's. will cost abolut £300 ish, but if
there as good as what I have heard, then its worth it.

-----Original Message-----
From: owner-AMSAT-BB@AMSAT.Org [mailto:owner-AMSAT-BB@AMSAT.Org] On
Behalf Of Ben
Sent: 10 December 2002 19:58
To: AMSAT-BB
Subject: [amsat-bb] Calibration of AZ-EL


How are most of you calibrating your Az/El? With a compass and level? I
have heard of putting a solar cell at the end of a 2 or 3 foot tube
mounted to the boom, then aligning for peak voltage when facing the sun.
Once this is done, the local time and position are entered into a
computer program. This sounds like a good method to me. Any others? Ben
K9BF

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