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Azimuth & Elevation calculator between your position and an APRS target https://aprsazelcalc.m0trt.radio/?callsign=GB1HAB
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Ian Renton 917a3d59be Merge remote-tracking branch 'origin/main'
2025-11-06 19:29:20 +00:00
.idea Fix some minor bugs 2025-09-19 15:21:18 +01:00
css Display more data in a static box 2025-09-17 17:00:36 +01:00
fa First commit 2025-09-17 11:09:53 +01:00
img Screenshot update 2025-09-19 15:24:34 +01:00
js This code doesn't use jQuery UI 2025-11-06 19:29:13 +00:00
index.html Merge remote-tracking branch 'origin/main' 2025-11-06 19:29:20 +00:00
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proxy.php First commit 2025-09-17 11:09:53 +01:00
README.md Readme/screenshot update 2025-09-17 17:09:46 +01:00

README.md

APRS Target Az/El Calculator

Provides a live azimuth and elevation from your location to a target known to APRS.fi. Created for the RSGB LoRa Balloon Challenge 2025.

To use, supply a HTTP query parameter callsign with the callsign you want to track. e.g. for the Balloon Challenge callsign of GB1HAB, use https://aprsazelcalc.m0trt.radio/?callsign=GB1HAB.

Screeenshot

This software includes a copy of php-cross-domain-proxy by Iacovos Constantinou (proxy.php), licenced under the GPL v3, and a modified version of geocalc by Don Cross (js/elevation.js), licenced under the MIT licence. Both are used with many thanks to their creators. All other code is original work by Ian Renton and subject to the terms in LICENSE.