Special Radio Direction Finder Calibration Stations for Pacific Coast (1978)

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Special Radio Direction Finder Stations

Los Angeles Harbor1 Light Station 33 42 30 118 15 02 311, 480
M2 ()
Point Blunt Light Station 37 51 10 122 25 04 310, 480
N2 ()
Alki Point3 Light Station 47 34 35 122 25 10 300, 480
O2 ()
Guard Island Light Station 55 26 47 131 52 45 294, 480
Q2 ()
Diamond Head Light Station 21 15 32 157 48 44 310, 480
P2 ()
Point Loma Light Station 32 39 54 117 14 30 311, 480
Y2 ()
Albert Head (Canada)2 Light Station 48 23 13 123 28 36 300
T ( etc.)
Point Atkinson (Canada)2 Light Station 49 19 50 123 15 48 320
T ( etc.)
Fort Stevens Wharf Light Station 46 12 24 123 57 00 293, 480
K3 ()
 1 Request for special calibration service may also be made to C. G. Radio Station Long Beach.
 2 On request through Victoria Marine Radio /VAK.
 3 On request through Commander Thirteenth Coast Guard District, Seattle, Wash.

All stations transmit continuously during the time required for calibration with keyed tone modulated carrier (A-2 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 unless otherwise indicated under "Remarks". In the event special calibration service interferes with the operation of regular radiobeacon transmission, 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.