[aprssig] APRS experiment along I-40, mapping vs. voice alert vs. local info

Robert Bruninga bruninga at usna.edu
Fri Jul 16 07:45:52 CDT 2010

>> Ah, there is a problem.  At a combined speed 
>> of over 2 miles a minute, you only have one 
>> chance every 6 miles to even be heard
>> by someone else.  
> To me, this is the exact problem with Voice Alert.
> Who wants to drive down the interstate and have 
> a 20 second QSO, just to prove that you can?

I try to remember early on in the short few minute simplex QSO
to establish what repeater we will go to next after we lose
simplex.  THen we can contine the QSO as needed.  Again, VA is
only for making contact, and then moving to a QSO channel.  More
often than not, though, I forget until we get spotty and then it
is hard to negotiate a repeater...

> As such, I find that encoding whatever voice 
> repeater you're monitoring into your packet 
> [like the D710 and FTM-350] is a much more 
> useful device for  facilitating contacts...

Agree.  Oftentimes, if I hear a VA burst, I look at my station
list and if that other person is beaconing his rig's freq, I
just go there and don't even need to make the VA voice call.
But again, this only works for those with the D710 or FTM-350.

> I have a D710 in the truck, so the TUNE function 
> comes in handy..


And I hope that future releases of D710 firmware will add the
below features as well.


> (however, I wish that with the D710 it automatically encoded
> only your B-band frequency into Status 5, but also any offset
and tone
> coding that you had set, so you didn't have to code that
manually each
> time you changed your B-band to another repeater.)
> Kurt
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