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[aprssig] APRS W,W and W,W,W example

Spider spider at rivcom.net
Fri Feb 11 18:33:22 UTC 2005


Hi Ryan!

That is pretty much the case.  Start as WIDE2-1 and the digi's will take 
care of the rest.

Simple!

73

Jim, WA6OFT


----- Original Message ----- 
From: "Ryan Tourge" <k2rrt.lists at gmail.com>
To: "'TAPR APRS Mailing List'" <aprssig at lists.tapr.org>
Sent: Friday, February 11, 2005 11:19 AM
Subject: RE: [aprssig] APRS W,W and W,W,W example


> Correct me if I'm wrong... one hop with little chance of ping/pong right?
>
> Ryan
>
> -----Original Message-----
> From: aprssig-bounces at lists.tapr.org 
> [mailto:aprssig-bounces at lists.tapr.org]
> On Behalf Of Spider
> Sent: Friday, February 11, 2005 1:14 PM
> To: TAPR APRS Mailing List
> Subject: Re: [aprssig] APRS W,W and W,W,W example
>
> I start out as WIDE2-1 out here and that gives me the amount of hops I 
> want.
>
> Jim, WA6OFT
>
>
>
>
> ----- Original Message ----- 
> From: "Bill Vodall" <wa7nwp at jnos.org>
> To: "TAPR APRS Mailing List" <aprssig at lists.tapr.org>
> Sent: Friday, February 11, 2005 11:07 AM
> Subject: Re: [aprssig] APRS W,W and W,W,W example
>
>
>>
>>> I understand about the RELAY, but WIDE,WIDE and WIDE2-2 seem to me to
>>> have the
>>> same number of repeats for a given configuration of digis. A packet only
>>> gets
>>> transmitted twice, since a digi won't hear as it transmits, it seems to
>>> me that
>>> the same digis transmit regardless of WIDE vs WIDEn-n.
>>>
>>> Can you explain why there would be "3 to 5 times" as many dupes?
>>
>> I'll take a go at it.
>>
>> Kantronics TNC's do dupe checking on WIDE2-2 but not generally on the
>> WIDE,WIDE.   Thus with a WIDE,WIDE path you can get ping-ponging between
>> digi's you won't get with a WIDE2-2.   The "3 to 5" number is probably a
>> worst case which is seldom seen.  Normally it might be a couple extra
>> packets.
>> It all depends on how many WIDE digis are in a area that hear each other.
>>
>> It's not a problem with Digi_ned or, I believe, UI-digi.
>>
>> Bill
>>
>>
>> _______________________________________________
>> aprssig mailing list
>> aprssig at lists.tapr.org
>> https://lists.tapr.org/cgi-bin/mailman/listinfo/aprssig
>>
>>
>
>
>
>
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