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Questions tagged [gps-time]

GPS Time is an Atomic Time Scale.

Origin of this time system: 06 jan 1980 (00h 00m 00s).

Scale of this time system: SI second .

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chrony with intermittent refclock

We have a machine with a GPS connected that we're using as a timeserver, by way of gpsd and chrony. The problem is, the GPS is occasionally unavailable. We'd still like the other machines on our network to continue syncing their time to the…
SixDegrees
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GPS Time to GMT time

I have a millions of GPS data records that I wanted to use for some statistical analysis. Unfortunately there is a field called GPSTime that contains data like: 1320303210, 1318118326, 1302167205. I believe this is GPS date and time. Could any one…
James Obuhuma
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Converting from Date-Time to GPS time

I want to convert an array of date-time strings (YYYY-MM-DD hh:mm:ss) to GPS seconds (seconds after 2000-01-01 12:00:00) in the python environment. In order to get the GPS seconds for a single date in Linux BASH, I simply input date2sec…
GeodeticCuriosity
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Exact time on different devices

I need two devices to have exact same time. I want to use GPS to get time. It can be done on iOS and Android devices. Can i be sure that they have exact same time in milliseconds?
moonvader
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Daylight savings can cause Location.getTime() to return UTC-1 on some phones, is this a known issue and is there a solution?

Based on the Android documentation the Location's getTime() method returns UTC of the time of a fix, so my assumption is that regardless of what the user does - changing the phone's time or timezone, will not alter this value, but this appears not…
Mark Melling
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gps device data receiving and interpreting it

I bought a GPS device (GT02A) for realtime tracking of a vehicle. Now,I want the data sent by this device (such as longitude and latitude) to be sent to my SQL database in realtime, from where a client application will be able to access and perform…
Harshit
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Matching Location.getTime() milliseconds to NMEA sentences

I get GPS fix times with millisecond precision on my Nexus 7 (sometimes) as well as my Galaxy S3 (almost always). By this I mean the millis are not "000". To make sure this was not fake time resolution introduced by the Android system, I am also…
PVS
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GPS data to be deleted for Cold start

Can anyone tell me what all the GPS data (almanac, epheremis, time, sa data etc) gets deleted on a cold start? And how long will it take to get a fix?
Angel
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How to use calendar.timegm() with fractional seconds

I have a timestamp that I am converting into seconds since the epoch. I have been using calendar.timegm(timestamp) but have decided that I also need the fractional seconds as well. I have looked through the python documentation and wasn't able to…
tb1212
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How get GPS time with javascript

I am trying to get the time from GPS with Javascript, I've found the Geolocation API (https://developer.mozilla.org/en-US/docs/Web/API/Geolocation_API. It give me a GeolocationPosition…
mpiot
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how to convert GPS time composed of Time, weeks and leap seconds to UTC Timestamp

I receive this data from the GPS Integrated in my Vehicle: INS_Time::INS_Time_Millisec[ms] # example of the value: 295584830.0 INS_Time::INS_Time_Week[Week] # example of the value: 2077.0 INS_Time::Leap_seconds[s] # example of the value:…
basilisk
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PID smoothing an irregular GPS time input?

I have a GPS unit connected to an arduino, but the specific hardware isn't important. This could just as easily be a computer that was receiving regular updates from a standard time reference - across the internet - and needed to smooth that…
Sniggerfardimungus
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GPSTime format conversion MSSQL

I have data received from my GPS device in below format. GPSTime 448711.634985699 448711.654969689 448711.67494868 448711.69489767 448711.714907661 448711.734891652 I tried the query as per this link Convert GPSTime But didnt work. Can someone shed…
Duffer
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UTC to GPS time for finding TOW in Simulink

for my project, I need to calculate TOW (Time of week) in Simulink. I know this can be achieved through conversion of UTC time to GPS time. I have written a simple m-file in Matlab which does the action for me in Matlab as follow: date_gps_int =…
Behrooz
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Converting unix time into readable time

I've got the unix time since January 1st 1970 (E.G 1531074816) from my GPS module, how do I convert this into a readable format? I only need to get the current hour, minutes and seconds. I'm not worried about the day or date. I'm also using…
Joe
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