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[aprssig] KPC3+ induced errors

Jason KG4WSV kg4wsv at gmail.com
Wed Mar 16 19:40:12 UTC 2011


On Wed, Mar 16, 2011 at 2:28 PM, Larry Cerney <lcerney at viawest.net> wrote:
> where in the APRS system is dup checking
> done?

everywhere - igates and APRS-IS servers.

> What is monitored in the packet to identify a dup?

A duplicate is defined as a packet whose source address, destination
address (minus the SSID) and payload are identical.  te PATH and the
destination SSID is ignored.

> How long does the "dup window" remain open?

That's configured per-installation with a per-application default, but
IIRC it's generally in the 5 to 30 second range.

-Jason
kg4wsv



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