[aprssig] KPC3+ beacons
Keith E. Brandt, WD9GET
wd9get at amsat.org
Wed Apr 9 19:38:01 EDT 2008
Our club just installed a KPC3+, firmware v9.1 as a digi. I followed
the recommendations of WB4APR for configuring it for the WIDEn-N
paradigm. It seems to be working fine picking up my mobile. However,
the digi (W5RRR-1) is not showing up as having been igated. Here's
the settings:
BLT 1 EVERY 00:30:00 START 00:00:00
BLT 2 EVERY 00:30:00 START 00:10:00
BLT 3 EVERY 01:00:00 START 00:20:00
BLT 4 EVERY 01:00:00 START 00:50:00
LT 1 !2933.65N09505.32W#PHG5340 W3, STXn-N JSCARC
LT 2 !2933.65N09505.32W#PHG5340 W3, STXn-N JSCARC
LT 3 !2933.65N09505.32W#PHG5340 W3, STXn-N JSCARC
LT 4 !2933.65N09505.32W#PHG5340 W3, STXn-N JSCARC
LTP 1 APN391
LTP 2 APN391
LTP 3 APN391 VIA WIDE2-1
LTP 4 APN391 VIA WIDE2-2
My question is on the BLT/LT/LTP interaction. I don't seem to be
seeing any of the LT packets showing up. The digi is in a fixed
location with no GPS. Would this prevent the digi from transmitting
them? (this is my inference from the manual which seems to associate
the BLT/LT/LTP with INTFACE set to GPS for dynamic position
reporting). Does the setting (or not setting) of DAYTIME make a difference?
A complicating factor is we do not have an igate that can hear the
digi directly. should I change the LTP 1 & 2 to also be via a WIDEn-N
path? (not sure if it will matter as I haven't seen LT 3 & 4 transmitted yet).
73, Keith
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