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nonoo / kappanhang

Remotely open audio channels and a serial port to an Icom RS-BA1 server (for ex. Icom IC-705 transceiver).
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GPS over WLAN #5

Closed opg4759 closed 3 years ago

opg4759 commented 3 years ago

Is there a way to send GPS data from the 705 to the Pi over WLAN as a time source for Chrony?

nonoo commented 3 years ago

There's no CIV command to query GPS time, so it's not possible. Also you'd get better accuracy with NTP because of the CIV transmission delays.

-- Norbert Varga http://www.nonoo.hu/

On Wed, Dec 9, 2020, 01:44 opg4759 notifications@github.com wrote:

Is there a way to send GPS data from the 705 to the Pi over WLAN as a time source for Chrony?

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opg4759 commented 3 years ago

It was a pipe dream. While using NTP is fine if you have network coverage out in the field not so much. Maybe Icom can update the 705 to share GPS over BT in the future? Thanks for the work on getting what you have working.

lhammond commented 3 years ago

you can get 1 PPS NMEA over USB to drive gpsd

On Wed, Dec 9, 2020 at 11:16 AM opg4759 notifications@github.com wrote:

It was a pipe dream. While using NTP is fine if you have network coverage out in the field not so much. Maybe Icom can update the 705 to share GPS over BT in the future? Thanks for the work on getting what you have working.

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jonlundy commented 1 year ago

There's no CIV command to query GPS time

@nonoo is the CIV command 23 00 for GPS data?

image
nonoo commented 1 year ago

That's the "my position" setting, and not the GPS location, however, I can't remember if I've tried this. Also note that you'll get better accuracy with NTP because of the CIV transmission delays.

On Wed, 11 Oct 2023 at 21:33, Jon Lundy @.***> wrote:

There's no CIV command to query GPS time

@nonoo https://github.com/nonoo is the CIV command 23 00 for GPS data? [image: image] https://user-images.githubusercontent.com/821826/274391839-d9844880-fe71-48d6-a4dd-18ac9dc587f8.png

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