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| -rw-r--r-- | contrib/README | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/contrib/README b/contrib/README index ef5e2dc3..db9f7ae4 100644 --- a/contrib/README +++ b/contrib/README @@ -18,11 +18,6 @@ protocol (like motorola oncore or rockwell jupiter). it's a little buggy with syncing up to the start of a packet, but it'll send control strings OK. -maxsats.pl analyzes a collection of "Y" messages and outputs records -describing periods of excellent visibility (ie. 10 or more PRNs tracked). -With over 30 SVs on orbit, there are periods where 14 PRNs are above the -horizon, 13 are tracking, and at least 12 are actually used in a solution. - lla2ecef transforms latitude/longitude/altitude (aka north-east-up or local tangential plane) coordinates into the earth-centered-earth-fixed frame. If invoked as "ecef2lla" it will transform coordinates in the opposite manner. @@ -58,3 +53,11 @@ outputs an image of accumulated SV position and signal strength. It is sometimes entertaining to "see" occulted SVs using multipath. You must have the PHP-GD library installed to use this script. +[The GPSD protocol changed in 2.90, and messages emitted are no longer +of the form that this script expects.] + +maxsats.pl analyzes a collection of "Y" messages and outputs records +describing periods of excellent visibility (ie. 10 or more PRNs tracked). +With over 30 SVs on orbit, there are periods where 14 PRNs are above the +horizon, 13 are tracking, and at least 12 are actually used in a solution. + |