[aprssig] [APRS] Announcement of WA1PLE-15 digipeater in SW Boston Area

Iain Young, G7III g7iii at g7iii.net
Tue Sep 24 13:37:56 CDT 2013


On 24/09/13 19:18, Tony VE6MVP wrote:

> little overlap between the sites.  My subjective observations while
> mobile are that the coverage of a digi for the mobile station to receive
> packets is substantially less than the coverage of the FM repeater when
> on the same antenna.      Voice coverage might be 60 or 70 kms while
> receiving the packet might only work out about 30 kms.

I've always had a rule of thumb that an extra 6db s/n is needed for 1200
baud packet to get thru over FM voice. 9k6 packet needs 6db on top of
that.


73s

Iain



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