Wednesday, June 1, 2011

[Google Maps API v2] To get the Latitude and Logitude for the 2 bit CELL ID

Hi,

In our project we try to retive the CELL ID from AT command called AT
+CREG. Through this AT command we get the CELLID .

And try to get the LAT and LOG using that CELLID in the Google API
http://www.google.com/loc/json in this API we pass the MCC,MNC, LAC
and CELL ID.

But we get the JSON Output of --> {} this output only return always.

Our modem is support only 2 bit CELL ID below the sample output

CELL ID taken from Newzeland is below

MCC: 530 MNC: 03

Hexa Decimal
LAC: 5B72 CELL ID: 7BA3

Decimal
LAC: 23410 CELL ID:31651

CELL ID taken from Australia is below

MCC: 505 MNC: 01

Hexa Decimal
LAC: 0152 CELL ID : 3792

Decimal
LAC: 338 CELL ID : 14226

For above 2 sample data we get the empty JSON output instead of
latitude and logitude. Above two samples are two bit cellid.

Using some other modem we get the 4 bit CELL ID and pass to the above
google api for that its return the latitude and logitude. But we are
mostly using 2 bit CELLID modem only.

Is google api support 2 bit CELLID or not. If it support means what
configurations are need to change in our end.

This Issue is very critical can reply ASAP.

Thanks & Regards,
Premnath.T

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