Is the GPS data valid?

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hi,

i receiving following gps data , know if valid data? when using tinygps library if statement gps.encode(c) false. according me data looks fine.

code: [select]
$gpgsa,a,3,13,05,24,20,21,15,,,,,,,3.88,2.23,3.18*0c

$gpgsv,3,1,11,21,69,259,15,15,64,151,27,20,61,119,16,24,50,037,29*7c

$gpgsv,3,2,11,49,48,336,32,18,44,230,20,13,29,136,42,05,17,087,35*75

$gpgsv,3,3,11,29,12,337,,10,12,246,19,27,04,219,21*44

$gprmc,091010.000,a,3351.9711,s,01838.4249,e,0.07,268.63,250716,,,d*75

$gpgga,091011.000,3351.9711,s,01838.4249,e,2,7,1.38,144.3,m,32.7,m,0000,0000*40

$gpgsa,a,3,13,05,24,20,18,21,15,,,,,,1.66,1.38,0.91*0c

$gpgsv,3,1,11,21,69,259,17,15,64,151,26,20,61,119,15,24,50,037,29*7c

$gpgsv,3,2,11,49,48,336,32,18,44,230,21,13,29,136,42,05,17,087,35*74

$gpgsv,3,3,11,29,12,337,,10,12,246,19,27,04,219,20*45

$gprmc,091011.000,a,3351.9711,s,01838.4249,e,0.06,268.63,250716,,,d*75

quote
according me data looks fine.
looks fine me, too.

the next step add (or enable) debug statements in tinygps library (after upgrading tinygpsplus library) determine why says sentences not valid.

or perhaps it's code problem.


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