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Topic: GPS huge offset (Read 1677 times)
XeroX
Full Member
Posts: 114
Karma: 7
GPS huge offset
«
on:
May 28, 2020, 12:27:17 am »
Hello,
I've setup a u-blox GPS Module. Using it via u-center and or checking console output via:
Code:
[Select]
cat gpsinit | cu -s 9600 -l /dev/gps0
Shows me the correct timing:
Code:
[Select]
$GNZDA,221311.00,27,05,2020,00,00*7A
Setting it up via the Interface and checking the status shows an offset of ~330 seconds and marks the GPS Module as falseticker.
What am I doing wrong? Using default settings.
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XeroX
Full Member
Posts: 114
Karma: 7
Re: GPS huge offset
«
Reply #1 on:
July 07, 2020, 02:53:31 pm »
Can anyone help me with that?
Attached the GPS Module with PPS signal via Serial Port.
FudgeTime2 = 0
Still 24 Seconds offset.
Reading from serial port directly shows correct time that I receive from PTB NTP.
Cheers
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baqwas
Jr. Member
Posts: 62
Karma: 3
Re: GPS huge offset
«
Reply #2 on:
July 14, 2020, 10:40:29 pm »
Hello @XeroX,
You can get
authoritative
responses from the folks at time-nuts@lists.febo.com. Most of the discussion there is beyond my gray matter but you will definitely get an answer or two.
Kind regards.
P.S. I've struggled with Pharos and u-blox devices myself too (limited to RPi and Nano these days) but since I'm not after PPS I use my devices for user interface exploration of objects in the sky!
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GPS huge offset