gpsrinex: OPUS is picky about sample epoch.

1 files changed, 5 insertions, 1 deletions

diff --git a/gpsrinex.c b/gpsrinex.c
index 0ff863c7..a14c2249 100644
--- a/gpsrinex.c
+++ b/gpsrinex.c
@@ -549,10 +549,14 @@ static void print_raw(struct gps_data_t *gpsdata)
     int nsat = 0;
     int i;
 
-    if ( (last_mtime.tv_sec + sample_interval) > gpsdata->raw.mtime.tv_sec ) {
+    if ((last_mtime.tv_sec + sample_interval) > gpsdata->raw.mtime.tv_sec) {
         /* not time yet */
         return;
     }
+    /* opus insists (time % interval) = 0 */
+    if (0 != (last_mtime.tv_sec % sample_interval)) {
+        return;
+    }
 
     /* go through list twice, first just to get a count */
     for (i = 0; i < MAXCHANNELS; i++) {