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[aprssig] Bob, Address the WIDE7-6 Possibility

Curt, WE7U archer at eskimo.com
Tue Feb 22 19:08:53 UTC 2005


On Tue, 22 Feb 2005, Robbie - WA9INF wrote:

> That is what I was really trying to understand about changing home
> RELAYs to WIDEn-N.. These home RELAYs had a very important roll all
> along. But, if they become WIDENs, then the unless your ideas can be
> implemented, it could be bedlam all over again!
>
> Until recently, I had never heard that the home RELAYs were meant to
> help a mobile make a WIDE digi through QRM.. I understood they were
> there because of the mobile's weaker signal, and fluttering while
> moving, not QRM.

I'm not sure that was ever one of the stated goals.  They certainly
can do that though, but I was thinking more along the lines of
filling in smaller holes in the WIDEn-N coverage through smart RELAY
stations that only relayed if the packet didn't make it out to the
WIDE's.


> Now, how can a home WIDEN prevent digipeating, unless it doesn't hear
> someone else do the job for the mobile?

Changes to the client software.  Xastir does this exact thing now
for Igating:  If someone else beats the Xastir station at getting
the packet from INET->RF, Xastir doesn't transmit the packet.

--
Curt, WE7U.   APRS Client Comparisons: http://www.eskimo.com/~archer
"Lotto:    A tax on people who are bad at math." -- unknown
"Windows:  Microsoft's tax on computer illiterates." -- WE7U
"The world DOES revolve around me:  I picked the coordinate system!"




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