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[aprssig] NMEA Sentence problems into SCS Tracker....from GarminEtrex

Jack Chomley radio at irock.com.au
Fri Nov 23 23:31:59 UTC 2007


Sorry......forgot your crystal ball ain't working.... ;-)

After Stephen's reply...I dug a little deeper.
OK here are 2 small log files from each GPS

Etrex (basic model) V3.7 (new)


$GPRMC,093458,A,2335.3069,S,15027.7613,E,0.0,191.0,231107,9.5,E,A*0F
$GPRMB,A,,,,,,,,,,,,A,A*0B
$GPGGA,093458,2335.3069,S,15027.7613,E,1,05,3.1,139.9,M,49.0,M,,*5D
$GPGSA,A,3,08,,,,,19,25,27,28,,,,4.6,3.1,3.3*3A
$GPGSV,3,1,09,08,52,174,51,10,16,265,34,11,19,073,00,13,38,025,00*79
$GPGSV,3,2,09,17,37,350,00,19,15,137,42,25,42,100,49,27,52,124,47*71
$GPGSV,3,3,09,28,58,240,50*44
$GPGLL,2335.3069,S,15027.7613,E,093458,A,A*50
$GPBOD,,T,,M,,*47
$PGRME,10.7,M,14.5,M,18.1,M*10
$PGRMZ,459,f,3*13
$GPRTE,1,1,c,*37
$GPRMC,093500,A,2335.3070,S,15027.7613,E,0.0,191.0,231107,9.5,E,A*0B
$GPRMB,A,,,,,,,,,,,,A,A*0B
$GPGGA,093500,2335.3070,S,15027.7613,E,1,05,3.1,139.7,M,49.0,M,,*57
$GPGSA,A,3,08,,,,,19,25,27,28,,,,4.6,3.1,3.4*3D
$GPGSV,3,1,09,08,52,174,51,10,16,265,00,11,19,073,00,13,38,025,00*7E
$GPGSV,3,2,09,17,37,350,00,19,15,137,43,25,42,100,48,27,52,124,48*7E
$GPGSV,3,3,09,28,58,240,49*4C
$GPGLL,2335.3070,S,15027.7613,E,093500,A,A*54
$GPBOD,,T,,M,,*47
$PGRME,10.7,M,14.6,M,18.2,M*10
$PGRMZ,458,f,3*12
$GPRTE,1,1,c,*37
$GPRMC,093502,A,2335.3070,S,15027.7613,E,0.0,191.0,231107,9.5,E,A*09
$GPRMB,A,,,,,,,,,,,,A,A*0B
$GPGGA,093502,2335.3070,S,15027.7613,E,1,05,3.1,139.7,M,49.0,M,,*55
$GPGSA,A,3,08,,,,,19,25,27,28,,,,4.6,3.1,3.4*3D
$GPGSV,3,1,09,08,52,174,51,10,16,265,00,11,19,073,00,13,38,025,00*7E
$GPGSV,3,2,09,17,37,350,00,19,15,137,43,25,42,100,48,27,52,124,48*7E
$GPGSV,3,3,09,28,58,240,49*4C
$GPGLL,2335.3070,S,15027.7613,E,093502,A,A*56
$GPBOD,,T,,M,,*47
$PGRME,10.7,M,14.6,M,18.2,M*10
$PGRMZ,458,f,3*12
$GPRTE,1,1,c,*37


MAP76s V3.21 (4 years old, no upgrades)


$GPRMC,093248,A,2335.2861,S,15027.7477,E,0.0,195.5,231107,9.5,E,A*08
$GPRMB,A,,,,,,,,,,,,A,A*0B
$GPGGA,093248,2335.2861,S,15027.7477,E,1,04,3.3,95.5,M,49.0,M,,*63
$GPGLL,2335.2861,S,15027.7477,E,093248,A,A*56
$GPBOD,,T,,M,,*47
$GPBWC,093248,,,,,,T,,M,,N,,A*7F
$GPVTG,195.5,T,186.0,M,0.0,N,0.0,K*49
$GPXTE,A,A,,,N,A*51
$PGRME,34.4,M,27.2,M,43.9,M*14
$PGRMZ,450,f*05
$PGRMM,Aus Geod '84*2C
$HCHDG,,,,9.5,E*0B
$GPRMC,093250,A,2335.2867,S,15027.7482,E,0.0,195.5,231107,9.5,E,A*0D
$GPRMB,A,,,,,,,,,,,,A,A*0B
$GPGGA,093250,2335.2867,S,15027.7482,E,1,04,3.3,96.4,M,49.0,M,,*64
$GPGLL,2335.2867,S,15027.7482,E,093250,A,A*53
$GPBOD,,T,,M,,*47
$GPBWC,093250,,,,,,T,,M,,N,,A*76
$GPVTG,195.5,T,186.0,M,0.0,N,0.0,K*49
$GPXTE,A,A,,,N,A*51
$PGRME,34.4,M,27.2,M,43.9,M*14
$PGRMZ,454,f*01
$PGRMM,Aus Geod '84*2C
$HCHDG,,,,9.5,E*0B
$GPRMC,093252,A,2335.2871,S,15027.7486,E,0.0,195.5,231107,9.5,E,A*0C
$GPRMB,A,,,,,,,,,,,,A,A*0B
$GPGGA,093252,2335.2871,S,15027.7486,E,1,04,3.3,97.3,M,49.0,M,,*63
$GPGLL,2335.2871,S,15027.7486,E,093252,A,A*52
$GPBOD,,T,,M,,*47
$GPBWC,093252,,,,,,T,,M,,N,,A*74
$GPVTG,195.5,T,186.0,M,0.0,N,0.0,K*49
$GPXTE,A,A,,,N,A*51
$PGRME,34.4,M,27.2,M,43.9,M*14
$PGRMZ,453,f*06
$PGRMM,Aus Geod '84*2C
$HCHDG,,,,9.5,E*0B
$GPRMC,093254,A,2335.2872,S,15027.7487,E,0.0,195.5,231107,9.5,E,A*08
$GPRMB,A,,,,,,,,,,,,A,A*0B
$GPGGA,093254,2335.2872,S,15027.7487,E,1,04,5.8,97.4,M,49.0,M,,*6D
$GPGLL,2335.2872,S,15027.7487,E,093254,A,A*56
$GPBOD,,T,,M,,*47
$GPBWC,093254,,,,,,T,,M,,N,,A*72
$GPVTG,195.5,T,186.0,M,0.0,N,0.0,K*49
$GPXTE,A,A,,,N,A*51
$PGRME,34.5,M,27.2,M,43.9,M*15
$PGRMZ,454,f*01
$PGRMM,Aus Geod '84*2C
$HCHDG,,,,9.5,E*0B

I also tried my Tigertronics TM1+ last night, same deal....works
on MAP76s, not with Etrex :-(
So....next I will try the test on the THD7, or my D700. IF this 
fails, then I have a new Kantronics and some older TNCs to try.
The Garmin tech support people had no answers by phone, but to be 
fair, they have not seen the log files either.

73s

Jack VK4JRC







At 08:43 AM 24/11/2007, Andrew wrote:
>Jack,
>
>You have only told 1/5 of the story.
>
>We need to see the whole string.
>
>
>
>
>----------------------------------------------------------------------------
>Andrew Rich VK4TEC
>vk4tec at people.net.au <mailto:vk4tec at people.net.au>
>http://www.tech-software.net
>
>
>
>
>-----Original Message-----
>From: aprssig-bounces at lists.tapr.org
>[mailto:aprssig-bounces at lists.tapr.org]On Behalf Of Jack Chomley
>Sent: Friday, 23 November 2007 11:23 AM
>To: TAPR APRS Mailing List
>Subject: [aprssig] NMEA Sentence problems into SCS Tracker....from
>GarminEtrex
>
>
>Hi all,
>
>Yesterday, my trusty Magellan 315 died, it was used on my mobile HF
>setup, using a SCS DSP Tracker, which all worked fine. So....I hooked
>my Garmin MAP76S up and away it went.
>I decided to get a Garmin Etrex (basic model) for the job, as all I
>wanted was NMEA V3 @4800 baud, which is what my other GPS units were
>working OK with, into the tracker.
>I set the Etrex up and no comms, check the interface settings. all
>OK....same as the MAP76S, which works.
>Despite resetting everything, still no go :-(
>Next, fire up my RS232 terminal....yep NMEA data is coming out of the
>Etrex fine, so I log the data sentences, THEN do a "read" on the
>MAP76S and find differences?
>
>Etrex  Sentences
>
>$GPRMC
>$GPRMB
>$GPGGA
>$GPGSA
>$GPGSV
>$GPGLL
>$GPBOD
>$PGRME
>$PGRMZ
>$GPRTE
>
>
>MAP76S Sentences
>
>$GPRMC
>$GPRMB
>$GPGGA
>$GPGLL
>$GPBOD
>$GPBWC
>$GPVTG
>$GPXTE
>$PGRME
>$PGRMZ
>$PGRMM
>$HCHDG
>
>Looking at the logged sentence types, there are differences?  I just
>bought the Etrex new, so I would say the firmware is reasonably up to
>date, maybe I need to try and load an older version, IF that is at
>all possible?
>My MAP76S is about 4 years or so old, and its firmware has never been
>upgraded.
>I would have thought that the $GPRMC sentence would have been
>sufficient, for the tracker to work off.
>So....I look to the collective wisdom of the group for a solution ;-)
>
>73s
>
>Jack VK4JRC
>
>
>
>
>
>
>_______________________________________________
>aprssig mailing list
>aprssig at lists.tapr.org
>https://lists.tapr.org/cgi-bin/mailman/listinfo/aprssig
>
>
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>
>
>--
>No virus found in this incoming message.
>Checked by AVG Free Edition.
>Version: 7.5.503 / Virus Database: 269.16.4/1146 - Release Date: 
>22/11/2007 6:55 PM

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