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| -rw-r--r-- | TODO | 19 |
1 files changed, 13 insertions, 6 deletions
@@ -1,6 +1,19 @@ This is the gpsd to-do list. If you're viewing it with Emacs, try doing Ctl-C Ctl-t and browsing through the outline headers. +** The crazy-speed bug + +Two gpsd users have reported that their clients report insanely high +speeds in a moving car. Here's what we know about this bug: + +1. It has only been reported from SiRF chips. +2. It does not occur when the SiRF chip is switched to NMEA mode using N. +3. Setting the static-navigation and track-smoothing bits doen't banish it. +4. It isn't specific to gpsd -- sirfmon shows the same high speeds. + +Not all SiRF users are rreporting this. It may be specific to some +SiRF firmware versions. + ** Set FIFO threshold to 1 to reduce jitter in serial-message times This can matter if you're using gpsd as a time reference. @@ -166,12 +179,6 @@ News flash: it develops that the "Navigation receiver warning" is supposed to indicate a valid fix that has a DOP too high or fails an elevation test. -** Contact info: - -SiRF-II contacts: - Carl Carter (714)-435-4902 ccarter@sirf.com. - Richard Saucedo (408)-392-8385 rsaucedo@sirf.com - Local variables: mode: outline paragraph-separate: "[ ]*$" |