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authorGary E. Miller <gem@rellim.com>2010-05-26 00:21:11 -0700
committerGary E. Miller <gem@rellim.com>2010-05-26 00:21:11 -0700
commit9915ebf464ac1d7610962f8d9e77807a26cb3424 (patch)
tree414a046e0947995ca9e562c1a24dcecd42724882 /driver_sirf.c
parentd2222a70add8faeb9383298b53cd5733db898202 (diff)
downloadgpsd-9915ebf464ac1d7610962f8d9e77807a26cb3424.tar.gz
Tweak the NTP offset a bit more for SiRF.
Diffstat (limited to 'driver_sirf.c')
-rw-r--r--driver_sirf.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/driver_sirf.c b/driver_sirf.c
index 0e271f57..767a31b7 100644
--- a/driver_sirf.c
+++ b/driver_sirf.c
@@ -556,11 +556,11 @@ static double sirf_ntp_offset(struct gps_device_t *session)
return 0.570;
#endif /* __UNUSED__ */
- if (session->sourcetype == source_usb) {
- return 0.600; /* USB, expect +/- 40mS jitter */
- }
/* the Navigation Solution message */
if (strcmp(session->gpsdata.tag, "MID2") == 0)
+ if (session->sourcetype == source_usb) {
+ return 0.640; /* USB, expect +/- 50mS jitter */
+ }
switch (session->gpsdata.dev.baudrate) {
default:
return 0.704; /* WAG */