Hello Ankur, Do you have the GPS antenna connected properly and placed under the optimal sky visibility? Please look for GPS _fix field. If it reads 0, that means the receiver hasn't locked into GPS satellites. You may have to move the GPS antenna around until you get a valid fix (value =1). The Xlisten can't parse packets from XMTS420, a XMesh-enabled apps and hence you should use XServe/MoteView for this app. I hope that helps, Giri
________________________________ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of ankur jain Sent: Friday, April 20, 2007 8:03 AM To: tinyos-help Subject: [Tinyos-help] Regarding Gps recievers of MTS 420 Hi all, thnx for ur previous responses.I tried running precomplied XMTS 420 app. that comes within Moteview software but it didn't gave GPS readings properly. The readings for all sensors except GPS receivers were shown correctly.But the fields corresponding to Gps like lat.,long. were shown as 0. So what may be the possible reason for this failure. I also tried XsensorMTS420 app. that comes within contrib/xbow folder but the same thing happened there also. The readings for all sensors were shown correctly except gps for which readings for all the fields were shown as 0. I saw the output using Xlisten app.as mentioned in getting started guide of Xbow.In case of output on cygwin some lines like bad-crc and fixed quality invalid was also coming.So what do they really mean???? Thanks Ankur jain ________________________________ Check out what you're missing if you're not on Yahoo! Messenger <http://us.rd.yahoo.com/mail/in/ymessenger/*http://in.messenger.yahoo.co m/>
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