| NTRD |
ENTRY DATE |
70-01-09 |
| ANSY |
FREQUENCY RESPONSE RANGE |
+100.0/+500.0 MEGAHERTZ |
| FTLD |
FUNCTIONAL DESCRIPTION |
PORTABLE INSTRUMENT CAPABLE OF MEASURING ANY FREQUENCY WITHIN THE RANGE OF 100 TO 500 MHZ W/ACCURACY OF PORM 0.001 PCT. USES HETERODYNE PRINCIPLE FOR DETERMINING FREQUENCY OF AN UNKNOWN SIGNAL; MEASUREMENT IS ACCOMPLISHED BY HETERDYNING A KNOWN SIGNAL FROM THE TEST INSTRUMENT AGAINST THE UNKNOWN SIGNAL. CHECK POINTS ARE USED TO CALIBRATE THE INSTRUMENT THROUGHOUT ITS OPERATING RANGE. USED TO TEST THE FOLLOWING AVIONICS SYSTEMS: AN/AKT-18; AN/ARA-31; AN/ARC-54; AN/ARC-60; AN/ARC-73; AN/ARN-30(); AN/CRD-4; AN/TRC-68; AN/URR-35C; R-508/ARC; R-509/ARC,AND T-366()/ARC |
| RDAL |
REFERENCE DATA AND LITERATURE |
DEPT OF ARMY PUBLICATIONS: TM11-5096 W/CHANGES 1 AND 2,OCT 55; TM11-6625-312-12P W/CHANGE 1,JUL 59; TM11-6625-312-35P W/CHANGE 2,JUL 59; TB11-6625-312-35/1 |
| AKYN |
FURNISHED ITEMS AND QUANTITY |
FREQUENCY METER FR-6/U 1,CASE METER CY- 1501/U 1,CORD CG-409/U 1,FREQUENCY DATA BOOK 1 |
| CBBL |
FEATURES PROVIDED |
INTERNAL FREQUENCY CALIBRATING CRYSTAL |
| MATT |
MATERIAL |
ALUMINUM |
| ABHP |
OVERALL LENGTH |
19.000 INCHES NOMINAL |
| FCLS |
FUNCTIONAL CLASSIFICATION |
AA-6.3 |
| ABKW |
OVERALL HEIGHT |
12.500 INCHES NOMINAL |
| ABMK |
OVERALL WIDTH |
17.375 INCHES NOMINAL |
| ACZB |
FREQUENCY RATING |
1.0 KILOHERTZ MINIMUM AND 50.0 KILOHERTZ MAXIMUM |
| TMDN |
TYPE/MODEL DESIGNATION |
AN/URM-81 |
| FAAZ |
PHASE |
SINGLE |