[aprssig] Dayton Pilgrimage Mobile Settings

[Stephen H. Smith]

kramrellim at tx.rr.com wrote:
> Bob,
> This is very interesting, but must require a specific radio to allow 
> mapping of all packets.  The way my rigs are setup, if I have a CTCSS 
> of 100 for RX, I will only receive packets that have this CTCSS and 
> nothing else period  Is this the idea also to only to map APRS users 
> that are close to you?
>
> 73,
> Mark N5RFX
>
> At 12:41 PM 4/19/2007, you wrote:
>> VOICE ALERT:  This setting for APRS mobiles TX and RX's with
>> CTCSS 100.  Thus, even though the channel is full of packets,
>> NONE of them have PL 100 except the direct packet from a nearby
>> mobile, not all the digipeted copies.

This scheme works best with the Kenwood D700 or TH-D7 where the internal 
TNC is connected directly to the receiver discriminator BEFORE the PL 
squelching of the speaker audio.   The TNC is always listening, even 
with the speaker silenced by PL.  

The voice-alert scheme will also work easily on any rig with the 6-pin 
Mini-DIN data/packet connector.  Connect your TNC here instead of using 
the mic and speaker connections. One of the pins carries raw 
unsquelched, unfiltered discriminator audio that is always live.   
Details on the mini-DIN packet connector are here:

   < http://wa8lmf.net/miscinfo >   

Look for the file     MIniDIN6-Packet.pdf      about halfway down the page.




--

Stephen H. Smith    wa8lmf (at) aol.com
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