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 | 2024-03-28T14:25:42.000Z |
Leap Seconds | 18 |
Position |
Altitude HAE | 714.2 m | ±1.349 m |
Altitude MSL | 745.86 m |
Geoid Separation | -32.831 m |
Dilution of Precision
|
GDOP
| 1.39 |
HDOP |
0.71 |
PDOP
| 1.25 |
TDOP |
0.62 |
These statistics are generated every 15 minutes.
===============================================================================
Reference ID : 47505300 (GPS)
Stratum : 1
Ref time (UTC) : Thu Mar 28 14:14:49 2024
System time : 0.000000005 seconds slow of NTP time
Last offset : -0.000000017 seconds
RMS offset : 0.000000072 seconds
Frequency : 2.686 ppm fast
Residual freq : -0.000 ppm
Skew : 0.001 ppm
Root delay : 0.000000001 seconds
Root dispersion : 0.000012714 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 -85ns[ -102ns] +/- 208ns
^- time-a-g.nist.gov 1 10 377 921 +924us[ +924us] +/- 43ms
^- time-a-wwv.nist.gov 1 10 377 60 +810us[ +810us] +/- 29ms
^- time-a-b.nist.gov 1 10 377 20m +1395us[+1393us] +/- 29ms
===============================================================================
.- 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 23 16 351 -0.000 0.001 -0ns 171ns
time-a-g.nist.gov 17 12 293m +0.011 0.084 +3191us 466us
time-a-wwv.nist.gov 21 13 344m +0.064 0.107 +4277us 756us
time-a-b.nist.gov 10 5 154m -0.070 0.160 +3342us 227us
===============================================================================