[aprssig] APRS -IS heart beat

[Andrew Rich]

Hello

A while back I made a perl script that monitored the International space station traffic.

My stats suddenly dropped off.

On further investigation I found a difference in the rate of "heartbeat" packets from the APRS-IS

Is the keepalive a standard value on APRS-IS ?

Is it possible that some APRS-IS servers are running different keep alive intervals ?

- Andrew - 
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