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CPR decoding: southern hemisphere coords are now handled correctly.

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antirez 2013-02-02 14:40:58 +01:00
parent 13596ba3dd
commit 3307261546
1 changed files with 2 additions and 2 deletions
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dump1090.c
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@ -1704,8 +1704,8 @@ void decodeCPR(struct aircraft *a) {
double rlat0 = AirDlat0 * (cprModFunction(j,60) + lat0 / 131072); double rlat0 = AirDlat0 * (cprModFunction(j,60) + lat0 / 131072);
double rlat1 = AirDlat1 * (cprModFunction(j,59) + lat1 / 131072); double rlat1 = AirDlat1 * (cprModFunction(j,59) + lat1 / 131072);
if (rlat0 >= 90 && rlat0 <= 270) rlat0 -= 360; if (rlat0 >= 270) rlat0 -= 360;
if (rlat1 >= 90 && rlat1 <= 270) rlat1 -= 360; if (rlat1 >= 270) rlat1 -= 360;
/* Check that both are in the same latitude zone, or abort. */ /* Check that both are in the same latitude zone, or abort. */
if (cprNLFunction(rlat0) != cprNLFunction(rlat1)) return; if (cprNLFunction(rlat0) != cprNLFunction(rlat1)) return;