THREE TOWERS HIKE RADIO
CALLSIGNS
Latest Callsign Listing
Radio callsign map for 2013 event
PROTOCOL
Raynet's ASHICE [PDF] protocol
CHECKSHEETS
Radio op's own sheet - for radio amateurs who would like to maintain a separate list to the marshal's list - print off as many copies as you require.
Radio op's checkpoint team list - print the approriate page if you need a list of teams