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 | 2024-04-20T05:06:52.000Z |
| Leap Seconds | 18 |
| Position |
|---|
| Altitude HAE | 718.358 m | ±1.516 m |
| Altitude MSL | 750.018 m |
| Geoid Separation | -32.831 m |
Dilution of Precision
|
| GDOP
| 1.93 |
| HDOP |
0.84 |
| PDOP
| 1.68 |
| TDOP |
0.96 |
These statistics are generated every 15 minutes.
===============================================================================
Reference ID : 47505300 (GPS)
Stratum : 1
Ref time (UTC) : Sat Apr 20 04:59:45 2024
System time : 0.000000082 seconds slow of NTP time
Last offset : -0.000000188 seconds
RMS offset : 0.000000179 seconds
Frequency : 2.546 ppm fast
Residual freq : -0.002 ppm
Skew : 0.017 ppm
Root delay : 0.000000001 seconds
Root dispersion : 0.000016674 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 15 -92ns[ -265ns] +/- 208ns
^- time-a-g.nist.gov 1 10 377 37 +1838us[+1838us] +/- 42ms
^- time-a-wwv.nist.gov 1 10 377 687 +2252us[+2276us] +/- 27ms
^- time-a-b.nist.gov 1 10 377 426 +2425us[+2432us] +/- 26ms
===============================================================================
.- 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 6 4 81 -0.002 0.019 -12ns 146ns
time-a-g.nist.gov 7 5 103m +0.459 0.515 +3316us 396us
time-a-wwv.nist.gov 16 9 259m +0.364 0.196 +2656us 976us
time-a-b.nist.gov 6 5 121m +0.498 0.665 +3639us 442us
===============================================================================