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 | 2024-04-19T14:30:12.000Z |
Leap Seconds | 18 |
Position |
Altitude HAE | 714.196 m | ±1.826 m |
Altitude MSL | 745.857 m |
Geoid Separation | -32.831 m |
Dilution of Precision
|
GDOP
| 1.49 |
HDOP |
0.76 |
PDOP
| 1.31 |
TDOP |
0.71 |
These statistics are generated every 15 minutes.
===============================================================================
Reference ID : 47505300 (GPS)
Stratum : 1
Ref time (UTC) : Fri Apr 19 14:29:53 2024
System time : 0.000000448 seconds slow of NTP time
Last offset : -0.000000499 seconds
RMS offset : 0.000000232 seconds
Frequency : 2.351 ppm fast
Residual freq : -0.010 ppm
Skew : 0.006 ppm
Root delay : 0.000000001 seconds
Root dispersion : 0.000008015 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 7 -200ns[ -696ns] +/- 211ns
^- time-a-g.nist.gov 1 10 377 607 +2890us[+2891us] +/- 41ms
^- time-a-wwv.nist.gov 1 10 377 238 +2925us[+2924us] +/- 27ms
^- time-a-b.nist.gov 1 10 377 969 +1377us[+1378us] +/- 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 6 3 82 -0.010 0.027 -8ns 214ns
time-a-g.nist.gov 26 11 448m -0.009 0.037 +3827us 402us
time-a-wwv.nist.gov 22 13 362m -0.032 0.139 +2749us 1090us
time-a-b.nist.gov 18 7 310m -0.030 0.055 +4778us 298us
===============================================================================