Accession Number : AD0802290

Title :   FREQUENCY STANDARD, 400 CPS: ENVIRONMENTAL QUALIFICATION,

Corporate Author : LOCKHEED MISSILES AND SPACE CO INC SUNNYVALE CA

Personal Author(s) : Richardson, D. E.

Report Date : 05 MAY 1958

Pagination or Media Count : 5

Abstract : The purpose of this test was to qualify a secondary frequency standard, TFS SQ40028, S/N 2, made under environments of shock, pressure, vibration, and acceleration. The frequency of the standard was measured as between 299.99 and 400.00 cps before environmental tests began. The unit maintained this frequency throughout the series of tests. It qualified under the requirements of the Test Assignment with The amendments to the shock and pressure requirements mentioned in this report.

Descriptors :   *STANDARDS), (*SIGNAL GENERATORS, FREQUENCY, ACCEPTABILITY, IMPACT SHOCK, PRESSURE, VIBRATION, ACCELERATION.

Subject Categories : Test Facilities, Equipment and Methods

Distribution Statement : APPROVED FOR PUBLIC RELEASE