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[aprssig] THD7A GPS Question

Sam Guccione gucci1 at mchsi.com
Sun Feb 17 03:16:58 UTC 2008


Ron you identified part of the problem. I was looking for data on the tip
not the ring. I am now seeing data on the ring of th plug. I inserted the
plug into the D7 GPS port and still do not see lat long but the degree
symbol, the decimal point and the minute symbol are all blinking once a
second. I guess this means the GPS receiver is sending data to the port. I
will let this set for a while to see if it takes some lockup time for the D7
to collect data.

Thanks. Sam

-----Original Message-----
From: aprssig-bounces at lists.tapr.org
[mailto:aprssig-bounces at lists.tapr.org]On Behalf Of Ron Tonneson
Sent: Saturday, February 16, 2008 8:30 PM
To: TAPR APRS Mailing List
Subject: Re: [aprssig] THD7A GPS Question


Data should be on the ring, not the tip.  The tip is output from the radio
to the GPS, ring is data from the GPS to the
radio.

Ron - K0QVF

Sam Guccione wrote:
> I have not checked for voltage at tip but did check with serial port of
> laptop that there is data on tip.
>
> Definitely NOT in PC port.
>
> -----Original Message-----
> From: aprssig-bounces at lists.tapr.org
> [mailto:aprssig-bounces at lists.tapr.org]On Behalf Of Ron Tonneson
> Sent: Saturday, February 16, 2008 8:15 PM
> To: TAPR APRS Mailing List
> Subject: Re: [aprssig] THD7A GPS Question
>
>
> Have you verified that there is data on the ring of the 2.5 mm plug?  Put
a
> voltmeter from ground (the sleeve) to the
> ring.  You should see activity once a second.  There should be no voltage
on
> the tip.  Also make sure you are in the GPS
> port, not the PC port.
>
> Ron - K0QVF
>
> Sam Guccione wrote:
>> Thank Jason, but I have this setting set at NMEA. That is not the
problem.
>> Thanks anyway. Sam
>>
>> -----Original Message-----
>> From: aprssig-bounces at lists.tapr.org
>> [mailto:aprssig-bounces at lists.tapr.org]On Behalf Of Jason KG4WSV
>> Sent: Saturday, February 16, 2008 7:54 PM
>> To: TAPR APRS Mailing List
>> Subject: Re: [aprssig] THD7A GPS Question
>>
>>
>> You have to tell the D7 you have a GPS.  On the APRS menu, check GPS.
>> Values are something like none/NMEA/NMEA96 (the latter for 9600 baud).
>>  It defaults to none.
>>
>> -Jason
>> kg4wsv
>>
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>>
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>>
>
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