satcrc v1.29

satcrc v1.29 — 2026-02-26

Satellite keplerian data CRC checker and format converter.
Vérificateur de CRC et convertisseur de format pour éléments képlériens de satellites.

Download / Téléchargement

File	Description
satcrc-1.29-windows.zip	Windows — pre-compiled executables + source + sample data
satcrc-1.29-linux-src.tar.xz	Linux — source code, compile with make

Windows — quick start

1. Download and extract satcrc-1.29-windows.zip
2. Open a command prompt (cmd) in the extracted folder
3. Run: satcrcs.exe -n data\AO-07.TXT

Linux — build

tar xJf satcrc-1.29-linux-src.tar.xz
cd satcrc
make
./satcrcs -n data/AO-07.TXT

Changes since v1.28

• UTF-8 filename support on Linux (nasacrcs_utf8.c)
• Separated CRC modulo-10 into standalone module (crc10.c)
• Stack and format-string hardening (-fstack-protector-all, -D_FORTIFY_SOURCE=2)
• Fixed TLE line-1 detection (classifier U at position 7)
• Fixed + sign value (0, not 2) in NASA TLE checksum