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 | 2024-04-25T06:02:54.000Z |
| Leap Seconds | 18 |
| Position |
|---|
| Altitude HAE | 714.951 m | ±1.339 m |
| Altitude MSL | 746.612 m |
| Geoid Separation | -32.831 m |
Dilution of Precision
|
| GDOP
| 1.75 |
| HDOP |
0.86 |
| PDOP
| 1.53 |
| TDOP |
0.84 |
These statistics are generated every 15 minutes.
===============================================================================
Reference ID : 47505300 (GPS)
Stratum : 1
Ref time (UTC) : Thu Apr 25 05:59:44 2024
System time : 0.000000037 seconds fast of NTP time
Last offset : +0.000000032 seconds
RMS offset : 0.000000060 seconds
Frequency : 2.311 ppm fast
Residual freq : +0.000 ppm
Skew : 0.001 ppm
Root delay : 0.000000001 seconds
Root dispersion : 0.000016868 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 +227ns[ +258ns] +/- 208ns
^- time-a-g.nist.gov 1 10 377 419 +1993us[+1993us] +/- 42ms
^- time-a-wwv.nist.gov 1 10 377 944 +2351us[+2348us] +/- 28ms
^- time-a-b.nist.gov 1 10 377 610 +2735us[+2735us] +/- 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 32 13 497 +0.000 0.001 +0ns 241ns
time-a-g.nist.gov 25 11 430m -0.025 0.067 +4045us 728us
time-a-wwv.nist.gov 16 9 258m -0.009 0.163 +5222us 727us
time-a-b.nist.gov 59 35 16h -0.053 0.022 +4111us 876us
===============================================================================