$1.$Why is constant radio monitoring so important today?$2.$What does Radio Frequency Monitoring $($RFM$)$ mean?$3.$What are the ranges of radio frequency signals?$4.$What are the ranges of radio waves?$5.$Some examples of radio waves range for communications systems$\mathrm{.}6.$What is Radio Frequency?$7.$Describe Medium Frequency $($MF$)$ and High Frequency $($HF$)$ and their application$\mathrm{.}8.$Describe Very High Frequency $($VHF$)$ and Ultra High Frequency $($UHF$)$ and their application$\mathrm{.}9.$Describe Super High Frequency $($SHF$)$ and Extremely High Frequency $($EHF$)$ and their application$\mathrm{.}10.$Describe Properties of the radio channel.