CALIBRATION PROCEDURE

TB 9-4931-539-35

DEPARTMENT OF THE ARMY TECHNICAL BULLETIN

CALIBRATION PROCEDURE FOR

FREQUENCY AND TIME MEASUREMENTS

Headquarters, Department of the Army, Washington, DC

4 August 1992

Approved for public release; distribution is unlimited

REPORTING OF ERRORS

You can help improve this publication. If you find any mistakes or if you know of a

way to improve the procedure, please let us know. Mail your letter or DA Form 2028

to: Commander, U. S. Army Aviation and Missile Command, ATTN: AMSAM-MMC-

MA-NP, Redstone Arsenal, AL 35898-5230. A reply will be furnished to you. You may

also send in your comments electronically to our e-mail address:

ls-

lp@redstone.army.mil or FAX 256-842-6546/DSN 788-6546.

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SECTION

GENERAL INFORMATION

Purpose .............................................................

Applicability .......................................................

Definitions .........................................................

GENERAL DISCUSSION

VLF tracking system..........................................

System components ...........................................

Frequency measurement ...................................

Adjusting the local oscillator ..............................

FREQUENCY CALIBRATION SYSTEM

STANDARD OPERATING PROCEDURES

References.........................................................

Radio transmissions ...........................................

Traceability........................................................

Capabilities........................................................

Frequency calibration system.............................

Maintenance records..........................................

CHANGE 1