Here are some suggestions for monitoring the National Western Stock Show, which runs January 12-27 this year.
Parking operations 463.6875R
Command Center - Police 462.425R
Volunteers 463.775R
Shuttle Buses 451.8875R
Security 461.7875
The conventionals were good last year; I'll verify them again this year, but they usually don't change.
DENVER PUBLIC SAFETY TRUNK (monitorable from most of Metro Denver)
Police Event 1 (05-061) (police ops outside the venue, inside is on conventional)
Fire Event 1 (07-004) (almost all fire operations on-site)
Police Event 1 (05-061) (police ops outside the venue, inside is on conventional)
Fire Event 1 (07-004) (almost all fire operations on-site)
DENVER PUBLIC WORKS TRUNK (monitorable from most of metro Denver, channel numbers are unofficial)
NWSS 2T-Maintenance (10-111)
NWSS 3T-Engineering (10-112)
NWSS 4T Janitors (10-113)
NWSS 5T-Coliseum (10-114)
NWSS 6T-Parking (10-115)
NWSS 7T-Police? (10-116)
NWSS 8T-Parking (10-117)
NWSS 2T-Maintenance (10-111)
NWSS 3T-Engineering (10-112)
NWSS 4T Janitors (10-113)
NWSS 5T-Coliseum (10-114)
NWSS 6T-Parking (10-115)
NWSS 7T-Police? (10-116)
NWSS 8T-Parking (10-117)
CONVENTIONAL FREQUENCIES (monitorable about 5-10 miles from the event)
Maintenance 461.4375RParking operations 463.6875R
Command Center - Police 462.425R
Volunteers 463.775R
Shuttle Buses 451.8875R
Security 461.7875
The conventionals were good last year; I'll verify them again this year, but they usually don't change.