[aprssig] Digi Question

Richard Graves rgraves at vysystems.net
Tue Mar 19 15:24:05 CDT 2013


Hi Lynn,

That is a good idea, I could write a script to compare the direct off air
packets against the digipeated one and log it to a text file.  Now why
didn't I think of that sooner.  That's what I like about a list like this.
 Plus I get to break out some rusty perl skills and dust them off at the
same time.  ;-)

Thanks,

Richard, KK4JDO


On Tue, Mar 19, 2013 at 3:59 PM, Lynn W. Deffenbaugh (Mr) <
ldeffenb at homeside.to> wrote:

>  I'd recommend setting up a TNC connected to the radio and antenna that
> you propose using for the digipeater and then listening, recording, and
> observing the local RF network.  If you copy packets directly and also the
> digipeat from the existing digipeater, then you really won't be adding any
> benefit to the network.  If you copy packets directly that the existing
> digipeater doesn't seem to copy, then map out where they are to determine
> if your coverage of that area would be beneficial or not.
>
> APRSISCE/32 has a path display capability that can make such local RF
> network analysis rather fun to do.
>
> Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32
>
>
> On 3/19/2013 3:51 PM, Richard Graves wrote:
>
> Hi Max,
>
>  Thanks for the reply!  You are correct, the terrain is mostly flat in
> this area.  The local digi's that I've paid attention to seem to be pretty
> reliable, but I've only recently gotten a mobile aprs setup going in my
> pickup (just got a TM-D710A, great radio!), so I can't speak to the
> reliability of other digis in the area.
>
>  Richard, KK4JDO
>
>
> On Tue, Mar 19, 2013 at 3:43 PM, Max Harper <kg4pid at yahoo.com> wrote:
>
>>  Since your in Florida, I presume your terrain is flat, so another digi
>> so close might not help. However a fill-in digi can still be usefull
>> especially for someone with an HT. How reliable are your local digi's? How
>> well do they actually work?
>> Max KG4PID
>>
>>    *From:* Richard Graves <rgraves at vysystems.net>
>> *To:* TAPR APRS Mailing List <aprssig at tapr.org>
>> *Sent:* Tuesday, March 19, 2013 2:05 PM
>> *Subject:* [aprssig] Digi Question
>>
>>   Hi All,
>>
>>  I've been following the list for several months now trying to get a
>> feel for the aprs community.  For the most part it has been enjoyable and I
>> want to thank all of you that contribute to the list.  While I still have a
>> lot of learning to do concerning aprs (and amateur radio in general) this
>> list has been extremely helpful to me.
>>
>>  I have been considering building a digipeater/Igate at my QTH, but
>> after doing a little research on aprs.fi, and listening on the air, I
>> have discovered that there is another digi 7.2mi from here.  It has an
>> antenna that is higher than I would be able to put up for this.  So my
>> question is, would I be contributing anything useful by building another
>> digi so close, or would I just be cluttering up the frequency?
>>
>>    Thanks,
>>
>>  --
>> -Richard, KK4JDO
>> SKCC Life Member #9570 <http://www.skccgroup.com/>
>> North American QRP CW Club #6178 <http://www.naqcc.info/>
>>  http://hamprojects.blogspot.com/
>>
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>
>
>  --
> -Richard, KK4JDO
> SKCC Life Member #9570 <http://www.skccgroup.com>
> North American QRP CW Club #6178 <http://www.naqcc.info>
> http://hamprojects.blogspot.com
>
>
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-- 
-Richard, KK4JDO
SKCC Life Member #9570 <http://www.skccgroup.com>
North American QRP CW Club #6178 <http://www.naqcc.info>
http://hamprojects.blogspot.com
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