[OZAPRS] Filtering out bushfires

Liz liz at billiau.info
Mon Feb 19 20:39:58 AEDT 2018

I'd like to filter out bushfires where there is no change in the packet
after a time period.
The locals are a bit slack with the paperwork and "fires" are still
active days after they are gone.
So I'd like some ideas on how to filter out these sort of packets from


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