Hi Nigel, There is a different direwolf .conf file for each
aprs/packet/winlink mode,
direwolf.digipeater.conf
direwolf.node.conf
direwolf.tnc300b.conf
direwolf.tnc.conf
direwolf.tracker.conf
direwolf.winlink.conf
Each .conf file is used as a template and dynamically populated at
run time,
ultimately copied to /run/direwolf*.conf.
if it helps,
-craig
KM6LYW