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 | 2024-04-19T22:32:02.000Z |
| Leap Seconds | 18 |
| Position |
|---|
| Altitude HAE | 716.287 m | ±1.7 m |
| Altitude MSL | 747.948 m |
| Geoid Separation | -32.831 m |
Dilution of Precision
|
| GDOP
| 1.45 |
| HDOP |
0.72 |
| PDOP
| 1.3 |
| TDOP |
0.65 |
These statistics are generated every 15 minutes.
===============================================================================
Reference ID : 47505300 (GPS)
Stratum : 1
Ref time (UTC) : Fri Apr 19 22:29:55 2024
System time : 0.000000064 seconds fast of NTP time
Last offset : +0.000000027 seconds
RMS offset : 0.000000301 seconds
Frequency : 2.535 ppm fast
Residual freq : +0.000 ppm
Skew : 0.006 ppm
Root delay : 0.000000001 seconds
Root dispersion : 0.000006039 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 5 +51ns[ +77ns] +/- 208ns
^- time-a-g.nist.gov 1 10 377 473 +331us[ +332us] +/- 43ms
^- time-a-wwv.nist.gov 1 10 377 100 +1907us[+1907us] +/- 28ms
^- time-a-b.nist.gov 1 10 377 813 +3538us[+3536us] +/- 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 11 8 163 +0.000 0.005 +0ns 192ns
time-a-g.nist.gov 8 6 120m +0.005 0.477 +3187us 509us
time-a-wwv.nist.gov 50 28 14h -0.233 0.033 +2270us 952us
time-a-b.nist.gov 42 19 12h -0.202 0.030 +5309us 662us
===============================================================================