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 | 2024-03-29T11:40:25.000Z |
Leap Seconds | 18 |
Position |
Altitude HAE | 715.518 m | ±2.049 m |
Altitude MSL | 747.179 m |
Geoid Separation | -32.831 m |
Dilution of Precision
|
GDOP
| 1.55 |
HDOP |
0.79 |
PDOP
| 1.38 |
TDOP |
0.71 |
These statistics are generated every 15 minutes.
===============================================================================
Reference ID : 47505300 (GPS)
Stratum : 1
Ref time (UTC) : Fri Mar 29 11:29:47 2024
System time : 0.000000010 seconds fast of NTP time
Last offset : +0.000000019 seconds
RMS offset : 0.000000090 seconds
Frequency : 2.548 ppm fast
Residual freq : +0.000 ppm
Skew : 0.001 ppm
Root delay : 0.000000001 seconds
Root dispersion : 0.000014387 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 13 +45ns[ +64ns] +/- 208ns
^- time-a-g.nist.gov 1 10 377 822 +2075us[+2072us] +/- 41ms
^- time-a-wwv.nist.gov 1 10 377 115 +1258us[+1258us] +/- 28ms
^- time-a-b.nist.gov 1 10 377 212 +3277us[+3277us] +/- 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 8 174 +0.000 0.001 +0ns 51ns
time-a-g.nist.gov 10 5 172m -0.052 0.194 +2443us 420us
time-a-wwv.nist.gov 24 12 413m -0.095 0.071 +2818us 627us
time-a-b.nist.gov 6 3 86m +0.415 1.470 +4965us 796us
===============================================================================