[aprssig] APRSdos V863 Posit Text
Bill Bird
billbird at cal.berkeley.edu
Wed Jul 13 11:21:46 EDT 2005
Bob,
It turns out I am using two serial ports on my laptop (MS-Dos V6.00) but still
have my posit text overwritten. One serial port (COM1) is for the TNC
(MFJ-1276) and the other serial port (COM2) is for the GPS (RS DigiTraveler). I
am thinking that the APRSdos V863 must be involved since it is assigned the two
serial ports during start-up. I am using the default settings for APRSdos
screen refresh and GPS packet (30 and 180 seconds). Everything works fine
except the posit text I enter is overwritten with something like:
GGA/NUL/APRS*/good GGA/A=0004880488
Thanks and 73,
Bill Bird
KG0YJ-2
Robert Bruninga wrote:
> This is because you are letting the TNC do the GPS
> independently of APRSdos. All the TNC knows how
> to do is raw GPS. But to get APRSdos to do the
> positioning, you either need two serial ports (one for
> the GPS) or you need to kludge together the
> HSP switch or have a GPS that you can turn off
> all NMEA except for GPRMC only once every 30 secs
> or so... Bob
>
>
>>>>billbird at cal.berkeley.edu 07/13/05 12:35 AM >>>
>>>
> Hi,
>
> I'm using APRSdos V863 with a Radio Shack DigiTraveler in my VW Van. I am
> unable to keep the text I want to come at the end of the posit packet because it
> is overwritten by information such as:
>
> GGA/NUL/APRS*/good GGA/A=0004880488
>
> This makes for a long packet and is not what I want anyway. I can get something
> like, Bill's VW Van, entered but it is very quickly overwritten.
>
> I can't find the solution in the documentation text files so I hope someone
> (Bob, et al) can help me.
>
> Thanks,
>
> Bill Bird
> KG0YJ-2
>
>
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