[OZAPRS] Distorted tones in central VK5 area

Terry, VK5ATN vk5atn at internode.on.net
Wed Jul 11 22:39:38 AEST 2018

This is primarily a question for APRS members in VK5.

For some time now I've been hearing some very distorted packets on 
145.175.  They are very strong here in Balaklava, and they would appear 
to be coming from a station configured as a digipeater.

The packets do not decode on any of my receiving equipment.   Indeed the 
sound is very much the same as my own earlier packets from this QTH when 
using the computer connected to either of my TNCs - a strong 50 (or 100) 
Hz buzz superimposed on each transmitted packet.   Mine appears to be an 
earth loop issue which I've given up on. I now use a WX3in1 here as an 
Igate for my own experiments - and of course anyone else who is close 
enough to be heard..

I've a feeling that the station could be VK5RLH - I apologise if it's 
not, but whatever it is - it gets a lot of airtime - possibly to no 
useful purpose.    I'm completely out of any communication loop here at 
the SA level, so I wonder if anyone else has heard these packets, 
and/or  do they have information more substantial than my speculation 
about their source.   More importantly perhaps are any steps under way 
to rectify the problem.


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