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skyspy: notes for more development

master
Pavel Machek 2024-11-24 13:04:50 +01:00
parent d782914f88
commit d23207fcfe
1 changed files with 16 additions and 0 deletions
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16
apps/skyspy/skyspy.app.js
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@ -1,5 +1,21 @@
/* Sky spy */ /* Sky spy */
/*
Four phases of GPS acquision:
search for sky -- not enough sattelites
wait for signal -- have 5 sattelites with good SNR
2D fix
3D fix
How to tell good signal
# satelites
hdop
diff to barometer altitude
variations in diff to barometer altitude
*/
/* fmt library v0.2.3 */ /* fmt library v0.2.3 */
let fmt = { let fmt = {
icon_alt : "\0\x08\x1a\1\x00\x00\x00\x20\x30\x78\x7C\xFE\xFF\x00\xC3\xE7\xFF\xDB\xC3\xC3\xC3\xC3\x00\x00\x00\x00\x00\x00\x00\x00", icon_alt : "\0\x08\x1a\1\x00\x00\x00\x20\x30\x78\x7C\xFE\xFF\x00\xC3\xE7\xFF\xDB\xC3\xC3\xC3\xC3\x00\x00\x00\x00\x00\x00\x00\x00",