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Re: Astron 1.15 integration in my nav log.
From: Bill Ritchie
Date: 2021 Oct 31, 17:27 +0000

Hello Max,

I'm pleased to hear of your interest in simulations of 40's and 50's aircraft navigation. I was trained in 1960-62 as both a pilot and flight navigator as a BOAC cadet at Hamble in Hampshire, UK. The advent of inertial navigation and better Loran, etc, on the early 707s meant that navigation became a pilot duty and I never flew as a dedicated navigator, nor ever used a bubble sextant in anger. In fact, they transferred me to BEA and I only flew short haul routes for the first 20 of my 31 year career!

Please feel free to incorporate parts or all of Astron V1.15 in your most interesting project which I'll study soon. I ceased development of the initial Excel version 1.15 in mid 2018, in favour of the current webpage versions. I have had no bug reports since then - but if you find one, please let me know and I'll fix it. A couple of other people have asked me to use V1.15 for similar purposes - the only problems reported were (a) how to reveal all the hidden cells and (b) how to replace the decimal point with a comma!

Re acknowledgements, that would be nice, but please mention the below link to the current (and future) versions. It now has many more features!

https://friendsofthevigilance.org.uk/Astron/Astron.html

For my interest, how did you discover Astron?

Good luck with your project.

Regards

Bill Ritchie.

Brixham, Devon, UK.

On Sun, Oct 31, 2021 at 12:31 AM Mats Hjorter <NoReply_Hjorter@fer3.com> wrote:

Hello!
I'm a flightsimmer from Sweden. I am mainly into 40's and 50's civil aviation, including navigation. I fly airliners such as the DC-6 and the Constellation on long haul routes. I have created a nav log spreadsheet for MS Excel that does all the calculations for wind correction angles, speeds and distance and so forth. My question is if I can integrate Astron 1.15 in my spreadsheet and use as an engine for celestial computations. Is that ok? Credits for the work will of course be given!
You can read more about my nav log here: Self calculating navigator's log - The A2A Simulations Community
A celestial navigation tool has been around for a long time for use with MS Flight Simulator 2004 and Flight Simulator X. A new addon for the latest MS Flight Simulator has been released recently and you can find out more here: Demonstration of astro navigation using MSFS - The Amelia Earhart flight. - YouTube
Regards
Mats

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