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 | 2024-04-25T12:19:11.000Z |
| Leap Seconds | 18 |
| Position |
|---|
| Altitude HAE | 714.944 m | ±1.557 m |
| Altitude MSL | 746.604 m |
| Geoid Separation | -32.831 m |
Dilution of Precision
|
| GDOP
| 1.85 |
| HDOP |
0.88 |
| PDOP
| 1.62 |
| TDOP |
0.91 |
These statistics are generated every 15 minutes.
===============================================================================
Reference ID : 47505300 (GPS)
Stratum : 1
Ref time (UTC) : Thu Apr 25 12:14:41 2024
System time : 0.000000026 seconds slow of NTP time
Last offset : -0.000000004 seconds
RMS offset : 0.000000212 seconds
Frequency : 2.398 ppm fast
Residual freq : -0.000 ppm
Skew : 0.004 ppm
Root delay : 0.000000001 seconds
Root dispersion : 0.000020373 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 19 -6ns[ -9ns] +/- 208ns
^- time-a-g.nist.gov 1 10 377 150 -1148us[-1148us] +/- 44ms
^- time-a-wwv.nist.gov 1 10 377 689 +1465us[+1466us] +/- 29ms
^- time-a-b.nist.gov 1 10 377 340 +3703us[+3704us] +/- 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 12 7 176 -0.000 0.003 -0ns 143ns
time-a-g.nist.gov 10 5 155m +0.042 0.514 +4457us 837us
time-a-wwv.nist.gov 38 23 10h -0.079 0.046 +4480us 892us
time-a-b.nist.gov 64 33 18h -0.126 0.020 +2600us 884us
===============================================================================