NMEA Decoding?

**secmem** · 03-12-2007, 04:56 AM

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**W3bMa5t3r** · 03-12-2007, 05:43 AM

Originally Posted by secmem

Thanks for the reply....
I did the same as you mentioned, but i couldnot see the NMEA messages but could see only some junk data of symbols..
I even tried with the TSIPMonitor32.exe, but could not get the data in it. Please help me with steps, how to use TSIPMonitor.exe.I even gone through the Lassen LP Manual.
The manual is explained according to the starter kit. but I m not using Starter kit instead I interfaced Lassen LP module to PC serially through Max232.
waiting for the reply..

try adjusting your speed (baud). some receivers send out at 9600

**secmem** · 03-12-2007, 11:21 PM

Originally Posted by W3bMa5t3r

try adjusting your speed (baud). some receivers send out at 9600

I have tried for different baud rates, but the junk data remains same. At present i did not connected any backup Battery to the Lassen LP GPS module.Please confirm, whether the 3.3V Back up Battery is required for the GPS to give NMEA data.

**secmem** · 03-13-2007, 01:12 AM

Originally Posted by W3bMa5t3r

Create a new connection, specify the port, speed,settings = 4800, 8, N, 1 (or something like that.. )

Save it, Hit connect. You should start seeing the GPS/NEMA sentences flying by...

Anyone help me in getting NMEA massages in Hyperterminal. I want to know whether Back up Battery is needed for getting NMEA data

**CdRsKuLL** · 03-13-2007, 02:01 AM

have you confirmed your device works at all ? looks like its knackered to me

**Laidback** · 03-13-2007, 01:36 PM

They don't usually need the battery, after reading their website I'm guessing its outputting TSIP binary protocol...

- The Lassen LP GPS receiver has a single I/O port. The device is delivered from the factory with the TSIP protocol configured on this single I/O port. -

It needs changing to NMEA.

Edit - which you did ask!

Originally Posted by secmem

Pls let me know , how to enable the NMEA data out in Lassen LP GPS module using Hyperterminal