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Re: PCastrolabe software/app
From: Andy Howse
Date: 2026 Aug 19, 04:09 -0700

Hi .

You are asking why an Astrolabe needs to be held by a line?

An astrolabe measures angles, to measure an altitude the instrument needs to be vertical and the easiest way to do that is to hang it on a line and let gravity take care of that .

Regards

Andy Howse

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