Accession Number : AD0618063

Title :   SHIRAN: GEODETIC SURVEY SYSTEM, ELECTRONIC AN/USQ-32(XA-1).

Descriptive Note : Rept. for 28 Feb 62-Oct 64.

Corporate Author : CUBIC CORP SAN DIEGO CALIF

Report Date : APR 1965

Pagination or Media Count : 208

Abstract : SHIRAN is composed of an airborne Distance Measuring Interrogator Set AN/APQ-105(XA-1) and four or more ground-based Distance Measuring Transponder Sets AN/TPQ-24(XA-1). The airborne interrogator ranges simultaneously to up to four ground transponders and records time-indexed range data on magnetic tape in conventional computer format. Maximum slant range to any one transponder is 500 nautical miles, with line crossing accuracies in the order of =10 feet (PE). Ranging operation may be synchronized with photomapping camera shutters for controlled photography missions. This report fully describes the system and the equipment that was developed. The operation of the equipment is explained at the block diagram level. Also described are the rf equipment items especially designed for SHIRAN under subcontract, and the modifications made to SHIRAN equipment to enable its use in the AN/USQ-28 program. The extensive flight tests and comprehensive environmental tests conducted on the developmental equipment are covered in detail. Test results confirmed that all design goals were met.

Descriptors :   (*GEODESICS, DISTANCE MEASURING EQUIPMENT), (*DISTANCE MEASURING EQUIPMENT, GEODESICS), (*SURVEYING(GEOGRAPHIC), ELECTRONIC EQUIPMENT), (*RADIO EQUIPMENT, DISTANCE MEASURING EQUIPMENT), AIRBORNE, TRANSPONDERS, RADIO TRANSMITTERS, S BAND, PHASE MODULATION, PHASE MEASUREMENT, MAGNETIC RECORDING SYSTEMS, RANGE FINDING, DATA PROCESSING, PHOTOGRAMMETRY, GROUND SUPPORT EQUIPMENT, SYSTEMS ENGINEERING

Distribution Statement : APPROVED FOR PUBLIC RELEASE