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[na-user] Beam headings

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Subject: [na-user] Beam headings
From: David A. Pruett" <k8cc@ix.netcom.com (David A. Pruett)
Date: Sat, 10 Apr 1999 23:29:46 -0400
We had very few complaints about beam headings until I implemented a new
algorithm passed along by N6TR that included distance calculations.  Tree
and I wanted to be in agreement for the W1BB contest.

To be honest, I have no idea how the algorithm works - it is full of trig
functions, identities, etc.

If someone will test their cases and provide a list of problem situations,
I'll take a look at fixing the code.  I will need:

1. Your latitude and longitude exactly as entered into NA.

2. The problem country.

3. The latitude and longitude of the problem country as defined in your
COUNTRY.DAT file.

#3 might not be necessary, since this data does not change regularly,
however it ensures that we don't have a bad country file causing the
problem.

73,

Dave Pruett, K8CC
DATOM Engineering
datom@contesting.com
http://www.contesting.com/datom


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