Monthly Archives: October 2011

VHF Radio Signal Checks and Readability Scale

It is sometimes necessary to verify that your transmitter and receiver are operational. This can be done by: 1. establishing contact on the working channel and conducting your tests (the actual wording of the test is given in the example … Continue reading

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Calling on VHF Radio

The calling examples used are sample call signs only. Before transmitting, listen for a period long enough to ensure that harmful interference to transmissions already in progress is not likely to occur. If such interference seems likely, wait until the … Continue reading

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Expressing Numbers and Time on VHF Marine Radio

Numbers Expressed in Words 0 – ZERO 1 – ONE 2 – TWO 3 – THREE 4 – FOUR 5 – FIVE 6 – SIX 7 – SEVEN 8 – EIGHT 9 – NINE . – DECIMAL ?,000 – THOUSAND … Continue reading

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Phonetic Alphabet for VHF radio

The words of the International Telecommunication Union (ITU) phonetic alphabet should be learned thoroughly. Whenever isolated letters or groups of letters are pronounced separately, or when communication is difficult, the alphabet can be easily used. When it is necessary to … Continue reading

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VHF Marine Radio Operator

Procedures The efficient use of VHF radio depends to a large extent on the operator’s method of speaking. As the distinctive sounds of consonants are apt to become blurred in the transmission of speech, words of similar length containing the … Continue reading

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