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[N4SRN]

There’s an app called APRS DX Aggregator than can run alongside of UIVIEW or APRSISCE32 that monitors for long APRS VHF hops of 400km+. Does that happen often on land-based stations?
Bret/N4SRN

[N4SRN]

So my longest direct RF APRS DX was 189mi between Manchester NH and New York, NY, according to APRSISCE32.

[NQ4T]

If you've got troposoheric ducting....that's entirely possible. I once sent a packet out from Warrenton VA that got picked up in North Carolina.

The thing to watch out for...what what I've heard people say to watch out for....is a digipeter that's misconfigured and not inserting itself in the packet. That can make some hops look artificially long.