[Dxspider-support] PC41 Storms

[Dirk Koopman]

Perhaps this snippet from the AR Cluster list explains why we see such
large numbers of repeated PC41's

Dirk G1TLH

-----Forwarded Message-----

From: Dirk Koopman <djk at tobit.co.uk>
To: ar-cluster at yahoogroups.com
Subject: Re: [ar-cluster] RCMD
Date: 08 Jan 2002 23:04:54 +0000

On Tue, 2002-01-08 at 14:31, Tom Vavra wrote:
> This morning, at about 0647Z I captured the following with TRAP:
> 
> 
> PC34^K8AZ^N3RA^FORWARD/OPERNAM KC8FAQ^~
> Node N8ET joining the cluster    8-Jan-2002  0647Z
> PC41^KC8FAQ^1^Dale Harper^H19^~
> PC41^KC8FAQ^2^Brecksville, Ohio^H19^~
> PC41^KC8FAQ^4^K8AZ^H19^~
> PC41^KC8FAQ^1^Dale Harper^H19^~
> PC41^KC8FAQ^2^Brecksville, Ohio^H19^~
> PC41^KC8FAQ^4^K8AZ^H19^~
> PC41^KC8FAQ^1^Dale Harper^H19^~
> PC41^KC8FAQ^2^Brecksville, Ohio^H19^~
> PC41^KC8FAQ^4^K8AZ^H19^~
> PC41^KC8FAQ^1^Dale Harper^H19^~
> PC41^KC8FAQ^2^Brecksville, Ohio^H19^~
> 
> Two Questions:
> 1.  Why did the RCMD come to me?  I'm not in the path between N3RA and K8AZ.
> I am conntected directly to N3RA.
> 2.  Why were there four (or more -- TRAP terminated at that point) sets of
> the FO/OP data.  Did they all come from K8AZ or were other nodes recipients
> of the RCMD and were they forwarding the data?
> 
>     Tom   WB8ZRL

This may also explain some of the horrendous PC41 "storms" we have been
seeing over here in EU. I have put together measures to mitigate them
but that doesn't help you very much.

73 Dirk G1TLH