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[karpediemnow]

Hello i don't receive valid nmea sentence form GPS receive:

$PSRFTXT,Version:GSW3.5.0_3.5.00.00-SDK-3EP2.01 *46
$PSRFTXT,Version2:F-GPS-03-1006231*2A
$PSRFTXT,WAAS Enable*66
$PSRFTXT,TOW:  0*25
$PSRFTXT,WK:   1519*69
$PSRFTXT,POS:  6378137 0 0*2A
$PSRFTXT,CLK:  96250*25
$PSRFTXT,CHNL: 12*73
$PSRFTXT,Baud rate: 4800*65
...
...
$GPGSV,1,1,00*79
$GPRMC,002340.036,V,,,,,,,150209,,,N*42
$GPGGA,002341.036,,,,,0,00,,,M,0.0,M,,0000*57
$GPGSA,A,1,,,,,,,,,,,,,,,*1E
$GPRMC,002341.036,V,,,,,,,150209,,,N*43
$GPGGA,002342.036,,,,,0,00,,,M,0.0,M,,0000*54
$GPGSA,A,1,,,,,,,,,,,,,,,*1E
$GPRMC,002342.036,V,,,,,,,150209,,,N*40
$GPGGA,002343.036,,,,,0,00,,,M,0.0,M,,0000*55
$GPGSA,A,1,,,,,,,,,,,,,,,*1E
$GPRMC,002343.036,V,,,,,,,150209,,,N*41
$GPGGA,002344.036,,,,,0,00,,,M,0.0,M,,0000*52
$GPGSA,A,1,,,,,,,,,,,,,,,*1E
$GPRMC,002344.036,V,,,,,,,150209,,,N*46
$GPGGA,002345.036,,,,,0,00,,,M,0.0,M,,0000*53
$GPGSA,A,1,,,,,,,,,,,,,,,*1E

the receiver is outside on clear day
The device just has the solid red light that never blinks.
Is it possible my device is bad?
 or need send start sentece to receive fix sentence?

Regards
Gianpaolo

[karpediemnow]

UP UP   

[karpediemnow]

I have try with Cold Start String:

$PSRF104,0,0,0,96000,237759,1946,12,4*1D  (GPSINFO )

and:

$PSRF101,0,0,0,000,0,0,12,4*10

Write on GPS device:$PSRF101,0,0,0,000,0,0,12,4*10
$GPGSA,A,1,,,,,,,,,,,,,,,*1E
$GPGSV,1,1,00*79
$GPRMC,235950.058,V,,,,,,,140209,,,N*46
$PSRFTXT,Version:GSW3.5.0_3.5.00.00-SDK-3EP2.01 *46
$PSRFTXT,Version2:F-GPS-03-1006231*2A
$PSRFTXT,WAAS Enable*66
$PSRFTXT,TOW:0*25
$PSRFTXT,WK: 1519*69
$PSRFTXT,POS:6378137 0 0*2A
$PSRFTXT,CLK:96250*25
$PSRFTXT,CHNL: 12*73
$PSRFTXT,Baud rate: 4800*65
$GPGGA,235946.037,,,,,0,00,,,M,0.0,M,,0000*5D
$GPGSA,A,1,,,,,,,,,,,,,,,*1E
$GPRMC,235946.037,V,,,,,,,140209,,,N*48
$GPGGA,235947.039,,,,,0,00,,,M,0.0,M,,0000*52
$GPGSA,A,1,,,,,,,,,,,,,,,*1E
$GPRMC,235947.039,V,,,,,,,140209,,,N*47

....no FIX ....

[karpediemnow]

Simple answer!

device is broken!

[GS_TECH01]

Dear Karpediemnow

Sorry for late reply ~~

if your device has same problem after cold start
probably your antenna is broken 

Thank you and have a nice day

Best Regards,
Angela

[karpediemnow]

I have found the problem....

 ...INTERFERENCES.....

i have put the GPS receiver far off the control board (netduino) and work fine!!!

[GS_TECH01]

Dear Karpediemnow

It sounds great !!
Thank you for your share ~~ 

Have a nice day

Best Regards,
Angela