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stan4th

Member Since 18 Dec 2010
Offline Last Active May 31 2012 07:44 AM
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Posts I've Made

In Topic: Is this the end of netduino/arduino boards

30 December 2011 - 04:58 PM

Hi, I've been watching the RaspberryPi project for about a year now (I mentioned it earlier on this forum). Perhaps there is a difference in that Netduino/Arduino is designed for I/O hardware projects - whereas these devices are effectively miniature "PC" (I know this is a simplification!) So I believe they may sit side by side. I intend to get one and see if my son finds it to be a similar spark as the ZX81 was for me all those years ago! Exciting times ahead! Cheers - hope you all had a Merry Christmas and will have a Happy New Year.

In Topic: EM406a not fixing satelites

17 September 2011 - 01:48 PM

Hi Pete, thanks - I am incorrectly interpreting the data!!

In Topic: EM406a not fixing satelites

17 September 2011 - 08:23 AM

Hi,
these are the readings when near window, perhaps if someone could verify where it has located in case I am misreading it please?

I find that it seems to be at 40 miles east and 10 miles south of my true location;

$GPGSA,A,3,15,09,22,12,25,,,,,,,,3.3,2.3,2.4*3C

$GPRMC,080009.000,A,5311.8122,N,00034.2950,W,0.62,
3.22,170911,,,A*73

$GPGGA,080010.
000,5311.8125,N,00034.2948,W,1,05,2.3,23.1,M,47.1,
M,,0000*79
$GPGSA,A,3,15,09,22,12,25,,,,,,,,3.3,
2.3,2.4*3C
$GPGSV,3,1,10,09,73,102,31,12,64,226,26
,14,32,309,,25,28,235,24*74
$GPGSV,3,2,10,17,27,048,,15,20,167,29,22,18,273,21,18,09,23
6,*70
$GPGSV,3,3,10,30,05,242,,04,03,090,*74
$GP
RMC,080010.000,A,5311.8125,N,00034.2948,W,0.50,16.
09,170911,,,A*49

$GPGGA,080011.00
0,5311.8127,N,00034.2948,W,1,05,2.3,22.5,M,47.1,M
,,0000*7F
$GPGSA,A,3,15,09,22,12,25,,,,,,,,3.3,2.
3,2.4*3C
$GPRMC,080011.000,A,5311.8127,N,00034.29
48,W,0.41,337.92,170911,,,A*78

$GPG
GA,080012.000,5311.8132,N,00034.2944,W,1,05,2.3,2
1.5,M,47.1,M,,0000*77
$GPGSA,A,3,15,09,22,12,25,,
,,,,,,3.3,2.3,2.4*3C
$GPRMC,080012.000,A,5311.813
2,N,00034.2944,W,0.79,336.81,170911,,,A*7B

$GPGGA,080013.000,5311.8134,N,00034.
2947,W,1,05,2.3,21.0,M,47.1,M,,0000*76
$GPGSA,A,3
,15,09,22,12,25,,,,,,,,3.3,2.3,2.4*3C
$GPRMC,0800
13.000,A,5311.8134,N,00034.2947,W,0.75,327.50,1709
11,,,A*7F

$GPGGA,080014.000,5311.8
137,N,00034.2948,W,1,05,2.3,20.1,M,47.1,M,,0000*7
D
$GPGSA,A,3,15,09,22,12,25,,,,,,,,3.3,2.3,2.4*3C

$GPRMC,080014.000,A,5311.8137,N,00034.2948,W,0.9
7,341.43,170911,,,A*7A

$GPGGA,080015
.000,5311.8141,N,00034.2949,W,1,05,2.3,19.0,M,47.1
,M,,0000*77
$GPGSA,A,3,15,09,22,12,25,,,,,,,,3.3
,2.3,2.4*3C
$GPGSV,3,1,10,09,73,102,31,12,64,226,
26,14,32,309,,25,28,235,24*74
$GPGSV,3,2,10,17,27
,048,,15,20,167,29,22,18,273,21,18,09,236,*70
$GP
GSV,3,3,10,30,05,242,,04,03,090,*74
$GPRMC,080015
.000,A,5311.8141,N,00034.2949,W,1.28,331.45,170911
,,,A*7F

In Topic: EM406a not fixing satelites

16 September 2011 - 08:25 AM

Hi, is seems to me that I'm getting an incorrect reading for Longitude (not just within the margin of error you expect for GPS) but the Lat seems OK. Can anyone suggest ideas for debugging this please? Thanks

In Topic: EM406a not fixing satelites

14 September 2011 - 07:54 AM

It was in my living room - not near the window (I was going to try that if needed as suggested earlier). So when I get a chance to try again one evening I'll see if it locks on a lot faster next time in the same place in the living room, as CW2 said that it may have needed to get all updated with the almanac... What I need to do now is check the coords are accurate and that its giving correct readings. Thanks all.

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