peak envelope power การใช้

• The USA limits amateur radio users to 200 watts peak envelope power on this band.
• Output power is limited to 4 watts for AM transmitters and 12 watts peak envelope power for single sideband ( SSB ) transmitters.
• This has now since changed with restricted license holders being allowed phone ( SSB ) bands with the only restriction being the PEP ( peak envelope power ) limited to 100 W.
• It is also required to operate the following : any compulsorily equipped ship radiotelephone station operating with more than 1500 watts of peak envelope power, a voluntarily equipped ship or an aeronautical ( including aircraft ) stations with more than 1000 watts of peak envelope power.
• It is also required to operate the following : any compulsorily equipped ship radiotelephone station operating with more than 1500 watts of peak envelope power, a voluntarily equipped ship or an aeronautical ( including aircraft ) stations with more than 1000 watts of peak envelope power.