Questions and discussion about the geolocalization features of the TD RF modules.
Posts: 2
Joined: Thu May 25, 2017 10:12 am

GPS precission, GPS frame decoding and GPS AT configuration

by Quim Fri May 26, 2017 2:25 pm

Hi, we have two units of TDS1205P. After we sent an AT$GPS=1,16,0,65535,1,1 command, we receive the following position: Lat 41.1342038 Lng 1.4413741

After one minute:

After five minutes:

but our position is some kms far away from that point: Lat 41.223204 Lng 1.735459

is there any configuration we can fix, please?

On the other hand, we are able to send the position to the Sigfox backend with AT$GSND, but we don't find how the position is encoded in the sifgox frame. We receive the following data frame by email, or URL encoded... but how extract the position from data?

"data": “0201010014facdb8b7a02c1c",

Also, can we use AT commands to send periodically the GPS position to the network? as a keepalive message? My desire is to send a keepalive message every hour with the GPS position inside the "data frame".

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Joined: Thu May 07, 2015 9:24 am

Re: GPS precission, GPS frame decoding and GPS AT configurat

by mstempin Fri Jun 02, 2017 7:11 am

Please check this thread:
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