Time and Frequencies

Time

Only minutes are normally transmitted; the hour is added when ambiguous. A time check is given to the nearest minute, preceded by the word TIME. UTC is used. 2400 denotes midnight (end of day), 0000 the start of day.

0823
Common transmission
« Two Three »
Full transmission
« Zero Eight Two Three »
1300
Common transmission
« One Three Zero Zero »
Full transmission
—
2057
Common transmission
« Five Seven »
Full transmission
« Two Zero Five Seven »

UTC time	Common transmission	Full transmission
0823	« Two Three »	« Zero Eight Two Three »
1300	« One Three Zero Zero »	—
2057	« Five Seven »	« Two Zero Five Seven »

Frequencies

Frequencies are identified using their SIX digits (25 kHz or 8.33 kHz spacing). Exception: if the last two digits are zero, only the first four are transmitted. The word "channel" is not used in radiotelephony.

118.125
« One One Eight Decimal One Two Five »
119.050
« One One Nine Decimal Zero Five Zero »
122.500
« One Two Two Decimal Five »
118.000
« One One Eight Decimal Zero »

Frequency	Transmission
118.125	« One One Eight Decimal One Two Five »
119.050	« One One Nine Decimal Zero Five Zero »
122.500	« One Two Two Decimal Five »
118.000	« One One Eight Decimal Zero »