Your VHF radio is intended mainly for short range communications, generally 5-10 miles , and at least 20 miles to a USCG station. To communicate at longer ranges, you will normally need a satellite telephone or an MF/HF marine radiotelephone.
Read moreWhat is the range for UHF?
Ultra high frequency Ultra high frequency (ITU)Frequency range300 MHz to 3 GHzWavelength range1 m to 3 dmRelated bandsUHF (ITU) B / C bands (NATO)Ultra high frequency – Wikipedia en.wikipedia.org › wiki › Ultra_high_frequency
Read moreHow far does a VHF antenna reach?
A typical VHF station operates at about 100,000 watts and has a coverage radius range of about 60 miles .13 Ağu 2020
Read moreWhich wave has lowest frequency?
Radio waves have the lowest frequency.
Read moreWhat is extremely low frequency radiation?
Extremely low frequency (ELF) fields includes alternating current (AC) fields and other electromagnetic, non-ionizing radiation from 1 Hz to 300 Hz . ELF fields at 60 Hz are produced by power lines, electrical wiring, and electrical equipment.
Read moreIs Extremely Low Frequency dangerous?
The issue of extremely low frequency (ELF) biological effects is very controversial. Research has focused on possible carcinogenic, reproductive, and neurological effects . Other suggested health effects include cardiovascular, brain and behavior, hormonal and immune system changes.
Read moreWhat are low frequency radio waves used for?
Low to Medium Frequencies ELF radio waves, the lowest of all radio frequencies, have a long range and are useful in penetrating water and rock for communication with submarines and inside mines and caves . The most powerful natural source of ELF/VLF waves is lightning, according to the Stanford VLF Group.
Read more