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 | 2024-04-20T09:38:12.000Z |
| Leap Seconds | 18 |
| Position |
|---|
| Altitude HAE | 719.905 m | ±1.904 m |
| Altitude MSL | 751.566 m |
| Geoid Separation | -32.831 m |
Dilution of Precision
|
| GDOP
| 1.57 |
| HDOP |
0.8 |
| PDOP
| 1.39 |
| TDOP |
0.71 |
These statistics are generated every 15 minutes.
===============================================================================
Reference ID : 47505300 (GPS)
Stratum : 1
Ref time (UTC) : Sat Apr 20 09:29:37 2024
System time : 0.000000020 seconds slow of NTP time
Last offset : -0.000000011 seconds
RMS offset : 0.000000029 seconds
Frequency : 2.404 ppm fast
Residual freq : -0.000 ppm
Skew : 0.000 ppm
Root delay : 0.000000001 seconds
Root dispersion : 0.000023945 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 22 -136ns[ -147ns] +/- 208ns
^- time-a-g.nist.gov 1 10 377 768 +2215us[+2216us] +/- 42ms
^- time-a-wwv.nist.gov 1 10 377 364 +2048us[+2048us] +/- 28ms
^- time-a-b.nist.gov 1 10 377 33 +758us[ +758us] +/- 27ms
===============================================================================
.- 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 52 29 816 -0.000 0.000 -0ns 206ns
time-a-g.nist.gov 20 15 327m +0.232 0.104 +3592us 676us
time-a-wwv.nist.gov 12 9 189m +0.132 0.227 +2910us 560us
time-a-b.nist.gov 9 3 138m +0.145 0.455 +4203us 622us
===============================================================================