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[gpsd-dev] [PATCH 2/3] TSIP: fix time offset
From: |
Nuno Gonçalves |
Subject: |
[gpsd-dev] [PATCH 2/3] TSIP: fix time offset |
Date: |
Mon, 20 Jun 2016 16:05:15 +0100 |
Signed-off-by: Nuno Goncalves <address@hidden>
---
driver_tsip.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/driver_tsip.c b/driver_tsip.c
index 3ded926..f397271 100644
--- a/driver_tsip.c
+++ b/driver_tsip.c
@@ -1128,8 +1128,11 @@ static void tsip_mode(struct gps_device_t
*session, int mode)
#ifdef TIMEHINT_ENABLE
static double tsip_time_offset(struct gps_device_t *session UNUSED)
{
- /* FIX-ME: is a constant offset right here? */
- return 0.075;
+ /* the offset depends on the generation and is not reliable, some
example measurements:
+ * Trimble Resolution T : 0.03s to 0.200s (depends on the SV#
being tracked)
+ * Trimble Resolution SMTx: 0.300 to 0.500s (unpredictable)
+ * Trimble RES SMT 360 : 0.028s (this appears very stable)*/
+ return 0.0;
}
#endif /* TIMEHINT_ENABLE */
--
2.7.4
0002-TSIP-fix-time-offset.patch
Description: Text Data
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