UHF Radio Quiz “10-4 Rodger that”… Learning UHF radio use is an important part of travelling safely on the open road. What is the Caravanners UHF Channel?*184033What is the Truck UHF Channel?*484540What is the Emergency UHF Channel?*18405What is the Approx. broad cast range of a UHF with aerial?*1 km10 kms40 kmsHow many channels will a modern UHF have as standard?*401280When travelling in covey or want to chat with other caravanners, what UHF channel is best*18405CAPTCHA This iframe contains the logic required to handle Ajax powered Gravity Forms.