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 | 2024-03-28T18:40:25.000Z |
Leap Seconds | 18 |
Position |
Altitude HAE | 715.775 m | ±1.323 m |
Altitude MSL | 747.436 m |
Geoid Separation | -32.831 m |
Dilution of Precision
|
GDOP
| 1.77 |
HDOP |
0.8 |
PDOP
| 1.55 |
TDOP |
0.85 |
These statistics are generated every 15 minutes.
===============================================================================
Reference ID : 47505300 (GPS)
Stratum : 1
Ref time (UTC) : Thu Mar 28 18:29:47 2024
System time : 0.000000016 seconds fast of NTP time
Last offset : -0.000000001 seconds
RMS offset : 0.000000046 seconds
Frequency : 2.176 ppm fast
Residual freq : +0.000 ppm
Skew : 0.001 ppm
Root delay : 0.000000001 seconds
Root dispersion : 0.000013952 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 -10ns[ -12ns] +/- 208ns
^- time-a-g.nist.gov 1 10 377 744 -567us[ -566us] +/- 44ms
^- time-a-wwv.nist.gov 1 10 377 935 -3841us[-3839us] +/- 33ms
^- time-a-b.nist.gov 1 10 377 984 +1384us[+1387us] +/- 28ms
===============================================================================
.- 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 25 18 385 +0.000 0.001 +0ns 125ns
time-a-g.nist.gov 9 4 137m +0.119 0.394 +1988us 577us
time-a-wwv.nist.gov 13 7 206m +0.276 0.240 +5086us 701us
time-a-b.nist.gov 24 13 414m +0.369 0.067 +5572us 635us
===============================================================================