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 | 2024-04-24T07:42:47.000Z |
Leap Seconds | 18 |
Position |
Altitude HAE | 715.142 m | ±1.897 m |
Altitude MSL | 746.803 m |
Geoid Separation | -32.831 m |
Dilution of Precision
|
GDOP
| 1.84 |
HDOP |
0.82 |
PDOP
| 1.61 |
TDOP |
0.89 |
These statistics are generated every 15 minutes.
===============================================================================
Reference ID : 47505300 (GPS)
Stratum : 1
Ref time (UTC) : Wed Apr 24 07:29:48 2024
System time : 0.000000039 seconds slow of NTP time
Last offset : -0.000000036 seconds
RMS offset : 0.000000022 seconds
Frequency : 2.332 ppm fast
Residual freq : -0.000 ppm
Skew : 0.000 ppm
Root delay : 0.000000001 seconds
Root dispersion : 0.000013330 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 12 -442ns[ -477ns] +/- 208ns
^- time-a-g.nist.gov 1 10 377 30 +1660us[+1660us] +/- 42ms
^- time-a-wwv.nist.gov 1 10 377 578 +3814us[+3814us] +/- 29ms
^- time-a-b.nist.gov 1 10 377 351 +1773us[+1773us] +/- 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 53 30 829 -0.000 0.000 -0ns 158ns
time-a-g.nist.gov 15 9 240m +0.067 0.166 +3308us 591us
time-a-wwv.nist.gov 6 3 86m +0.277 2.210 +4430us 1073us
time-a-b.nist.gov 6 3 86m -0.216 0.832 +2551us 347us
===============================================================================