Aeronautical VHF / UHF Bands
Frequency Range (MHz) Band Name Assignment
108.000 to 118.000 VHF Air Navigation Radio Navigation (VORTAC, VOR, DME)
118.000 to 137.000 VHF Air Voice ATC, Tower, Ground, Private, Test, Government
138.000 to 144.000 VHF Air Voice/Data Air / Surface - Military & Government
225.000 to 400.000 UHF Air Voice/Data Air / Surface - Military & Government
Pocatello airport  
Tower  119.1 mHz
Unicom  122.95 mHz
ATIS  135.625 mHz. current airport conditions 
VOR/DME 112.6 this is a navaid , no voice, cw
PI LF beacon  383 kHz this is a navaid , no voice, cw
all aircraft voice communications on VHF is AM,  not FM , not SSB, AM