[aprssig] Help with Interfacing a GPS to Kantronics KPC-3

[EXT-Maetta, John]

Hi Mike,

Yes, I have been using this method.  You are correct. I can tell it
works because I can view the GPSINIT string on my laptop as the KPC
powers up.

John 

-----Original Message-----
From: Michael Huslig [mailto:mhuslig at kantronics.com] 
Sent: Wednesday, January 03, 2007 2:37 PM
To: TAPR APRS Mailing List
Subject: Re: [aprssig] Help with Interfacing a GPS to Kantronics KPC-3 

Before connecting the GPS to the KPC3, enter "INTFACE GPS".  If I
remember right, 3 Ctrl-Cs will get you back into command mode, but you
may want to check the manual first.

Mike

----- Original Message -----
From: "EXT-Maetta, John" <john.maetta at boeing.com>
To: "TAPR APRS Mailing List" <aprssig at lists.tapr.org>
Sent: Wednesday, January 03, 2007 4:24 PM
Subject: RE: [aprssig] Help with Interfacing a GPS to Kantronics KPC-3


>
> Earl,
>
>>From what I understand from the KPC manual is that the LTRACK sets the
> LTx buffer size to 1Kb.
>
> md:disp gps
> BLT
> 1 EVERY 00:00:10 STARTING AT 00:00:00
> 2 EVERY 00:00:10 STARTING AT 00:00:05
> 3 EVERY 00:06:00 STARTING AT 00:02:00
> 4 EVERY 00:12:00 STARTING AT 00:05:00
> GPSHEAD
> 1 $GPGLL
> 2 $GPRMC
> 3 $GPRMC
> 4 $GPRMC
> GPSINIT  $pgrmo,gpgga,1
> LT
> 1
> 2
> 3
> 4
> LTP
> 1 GPSLK
> 2 GPSLK VIA WIDE1-1
> 3 GPSLK VIA WIDE1-1,WIDE2-1
> 4 GPSLK VIA WIDE1-1,WIDE2-2
> LTRACK   1 LT1 LT2
>
> John
> -----Original Message-----
> From: Earl Needham [mailto:needhame1 at plateautel.net]
> Sent: Wednesday, January 03, 2007 2:18 PM
> To: TAPR APRS Mailing List
> Subject: RE: [aprssig] Help with Interfacing a GPS to Kantronics KPC-3
>
> At 03:06 PM 1/3/2007, EXT-Maetta, John wrote:
>><snip>
>>md:beacon e 1
>>BEACON was EVERY 0 (disabled)
>>cmd:N6VMO>BEACON: <UI>:
>>n6vmo
>>
>>N6VMO>BEACON: <UI>:
>>N6vmo
>>
>>The LED illuminates every minute to Tx the beacon.
>
>         OK, that's a good start.
>
> At 03:01 PM 1/3/2007, EXT-Maetta, John wrote:
>><snip>
>>GPSHEAD
>>1 $GPGGA
>>2 $GPRMC
>>
>>LTP
>>1 GPS VIA DIGI
>>2 GPS VIA DIGI
>>3 GPS
>>4 GPS
>>
>>BLT
>>1 EVERY 00:00:10
>>2 EVERY 00:00:20
>>3 EVERY 00:00:00
>>4 EVERY 00:00:00
>>
>>LTRACK   1 LT1 LT2
>
>         Going from memory, I think the GPSHEAD and LTP commands are
the
> only ones that make GPS operation work.  IIRC, the four BLT's are just
> like the original BEACON, and I don't know what LTRACK does at all.
>
>         Put the TNC in GPS mode and connect the GPS.  Let it sit there
> for maybe 10 or 15 minutes.  Next, disconnect the GPS and connect the
> TNC to your laptop and do a DISP G.  That should get a list of the GPS
> commands -- when you do that, copy them to us here.  That's probably
the
> best way to get this going.
>
>         7 3
>         Earl
>
> KD5XB
> Clovis, New Mexico DM84jk
> http://groups.yahoo.com/group/cw_bugs
> "Just say NO to DHL"
>
>
>
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