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 | 2024-04-26T05:15:31.000Z |
Leap Seconds | 18 |
Position |
Altitude HAE | 717.651 m | ±1.593 m |
Altitude MSL | 749.312 m |
Geoid Separation | -32.831 m |
Dilution of Precision
|
GDOP
| 2.16 |
HDOP |
0.97 |
PDOP
| 1.86 |
TDOP |
1.1 |
These statistics are generated every 15 minutes.
===============================================================================
Reference ID : 47505300 (GPS)
Stratum : 1
Ref time (UTC) : Fri Apr 26 05:14:42 2024
System time : 0.000000020 seconds fast of NTP time
Last offset : +0.000000008 seconds
RMS offset : 0.000000085 seconds
Frequency : 2.342 ppm fast
Residual freq : +0.000 ppm
Skew : 0.001 ppm
Root delay : 0.000000001 seconds
Root dispersion : 0.000019210 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 18 +34ns[ +42ns] +/- 208ns
^- time-a-g.nist.gov 1 10 377 348 +3856us[+3856us] +/- 41ms
^- time-a-wwv.nist.gov 1 10 377 891 +2453us[+2454us] +/- 30ms
^- time-a-b.nist.gov 1 10 377 608 +2434us[+2436us] +/- 26ms
===============================================================================
.- 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 22 13 336 +0.000 0.001 +0ns 121ns
time-a-g.nist.gov 25 15 430m -0.025 0.069 +4232us 667us
time-a-wwv.nist.gov 30 15 534m -0.078 0.048 +4272us 693us
time-a-b.nist.gov 35 16 585m -0.065 0.039 +3793us 717us
===============================================================================