HFDF Antenna AS-1523/TRQ30(V). (cont)

TM 32-5895-206-10

NOTE

During df operation, the operator should not

stand near the antenna loop.

Bearing

accuracy is best when the operator sits or

kneels next to the equipment on the ground.

(1) Install and connect antenna as described above.

Be sure to align setscrew with the slot in mast.

(2) Connect null meter to diode from the receiver with

cable assembly CG-406H/U.

(3) Set antenna BAND switch to same band as HF

receiver. Set FREQ in MHZ selector to frequency nearest

desired operating frequency.

(4) Tune HF receiver to desired signal. It may be

easier to tune receiver with vertical antenna. Remove vertical

antenna before taking directional reading indicated below.

(5) Set receiver ANT switch to the 2 position.

Adjust HF df antenna tuning control to give strongest signal. It

may be necessary to rotate antenna mast to get a good signal.

(6) Locate target transmitter using direction finding

operation steps below.

(7) To monitor or record incoming signal, turn antenna

mast for a strong signal or switch to another antenna.

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