This is a
gpsd
server running on a Raspberry Pi with a TimeHat!
Fix Data |
Fix Type | 3D Fix |
Fix Status | DGPS Fix |
Time |
UTC | 2024-03-29T11:48:49.000Z |
Leap Seconds | 18 |
Position |
Altitude HAE | 713.38 m | ±1.775 m |
Altitude MSL | 745.041 m |
Geoid Separation | -32.831 m |
Dilution of Precision
|
GDOP
| n/a |
HDOP |
n/a |
PDOP
| n/a |
TDOP |
n/a |
These statistics are generated every 15 minutes.
===============================================================================
Reference ID : 47505300 (GPS)
Stratum : 1
Ref time (UTC) : Fri Mar 29 11:44:46 2024
System time : 0.000000019 seconds fast of NTP time
Last offset : +0.000000010 seconds
RMS offset : 0.000000030 seconds
Frequency : 2.553 ppm fast
Residual freq : +0.000 ppm
Skew : 0.001 ppm
Root delay : 0.000000001 seconds
Root dispersion : 0.000015756 seconds
Update interval : 16.0 seconds
Leap status : Normal
===============================================================================
.-- Source mode '^' = server, '=' = peer, '#' = local clock.
/ .- Source state '*' = current best, '+' = combined, '-' = not combined,
| / 'x' = may be in error, '~' = too variable, '?' = unusable.
|| .- xxxx [ yyyy ] +/- zzzz
|| Reachability register (octal) -. | xxxx = adjusted offset,
|| Log2(Polling interval) --. | | yyyy = measured offset,
|| \ | | zzzz = estimated error.
|| | | \
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
#* GPS 0 4 377 14 +83ns[ +93ns] +/- 208ns
^- time-a-g.nist.gov 1 10 377 679 +2496us[+2496us] +/- 40ms
^- time-a-wwv.nist.gov 1 10 377 1015 +1259us[+1258us] +/- 28ms
^- time-a-b.nist.gov 1 10 377 73 +375us[ +375us] +/- 30ms
===============================================================================
.- Number of sample points in measurement set.
/ .- Number of residual runs with same sign.
| / .- Length of measurement set (time).
| | / .- Est. clock freq error (ppm).
| | | / .- Est. error in freq.
| | | | / .- Est. offset.
| | | | | | On the -.
| | | | | | samples. \
| | | | | | |
Name/IP Address NP NR Span Frequency Freq Skew Offset Std Dev
==============================================================================
GPS 38 19 592 +0.000 0.000 +0ns 143ns
time-a-g.nist.gov 11 5 190m -0.054 0.146 +2445us 364us
time-a-wwv.nist.gov 24 12 413m -0.099 0.071 +2730us 627us
time-a-b.nist.gov 6 4 86m +0.117 1.428 +4490us 670us
===============================================================================