Special Radio Direction Finder Calibration Stations for Pacific Coast (1990)

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Special Radio Direction Finder Stations

Long Beach1 Light Station 33 43 24 118 11 09 311, 480
M2 ()
Point Blunt1 Light Station 37 51 10 122 25 04 310
N2 ()
Guard Island Light Station 55 26 47 131 52 45 294, 480
Q2 ()
Race Rocks (Canada)2 Light Station 48 17 53 123 31 43 300
Not Specified
Point Atkinson (Canada)3 Light Station 49 19 51 123 15 49 320
Not Specified
 1 Request for special calibration service may be made to C.G. Support Center, San Pedro CA.
 2 On request through Victoria Marine Radio, VAK.
 3 On request through Vancouver Coast Guard Radio, VAI.

All stations transmit continuously during the time required for calibration with keyed tone modulated carrier (H2A emission), except where noted, and have a reliable range of 5 miles. Their assigned characteristic is transmitted twice followed by a 20-second dash, the complete sequence being repeated twice per minute. The antenna is located on the light structure. In the event special calibration service interferes with the operation of regular radiobeacon transmissions, the special calibration service will not be given.

Special calibration operation will be made only upon request in advance to the district commander in whose district the calibration station is located. The address and district limits of which are listed on p. iii (of light list). The day, time, and frequency on which special calibration service is desired must be stated. If service is desired on both frequencies listed, the time that transmission on each frequency is desired must be specified. Upon arrival at the station on the date and hour specified, station personnel may be contacted by means of the usual whistle signal or flag hoist.