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 | 2024-04-20T06:22:55.000Z |
| Leap Seconds | 18 |
| Position |
|---|
| Altitude HAE | 713.582 m | ±1.469 m |
| Altitude MSL | 745.242 m |
| Geoid Separation | -32.831 m |
Dilution of Precision
|
| GDOP
| 1.58 |
| HDOP |
0.8 |
| PDOP
| 1.41 |
| TDOP |
0.72 |
These statistics are generated every 15 minutes.
===============================================================================
Reference ID : 47505300 (GPS)
Stratum : 1
Ref time (UTC) : Sat Apr 20 06:14:45 2024
System time : 0.000000076 seconds fast of NTP time
Last offset : +0.000000150 seconds
RMS offset : 0.000000242 seconds
Frequency : 2.716 ppm fast
Residual freq : +0.002 ppm
Skew : 0.020 ppm
Root delay : 0.000000001 seconds
Root dispersion : 0.000017056 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 16 +29ns[ +150ns] +/- 208ns
^- time-a-g.nist.gov 1 10 377 398 +1145us[+1139us] +/- 42ms
^- time-a-wwv.nist.gov 1 10 377 26 +3200us[+3200us] +/- 27ms
^- time-a-b.nist.gov 1 10 377 788 +4314us[+4286us] +/- 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 7 4 99 +0.002 0.017 +19ns 207ns
time-a-g.nist.gov 10 7 155m +0.081 0.285 +3943us 557us
time-a-wwv.nist.gov 21 8 345m +0.114 0.148 +3203us 1111us
time-a-b.nist.gov 8 5 172m +0.315 0.286 +5109us 482us
===============================================================================