DEVELOPMENT OF ANTENNA GROUP OA-1227(XE-1)/TPS
Abstract
The Antenna Group OA-l227(XE-l)/TPS (task A) took approximately three years. Development of the shelter modification (task B) added approximately six months, making for a total development time of approximately 3-1/2 years. The first two test models are alike and employ fuses for protection in the three-phase. 60-cycle power lines. To improve reliability and provide simultaneous opening of the three power lines, the subsequent five teat models (serial numbers 3 through 7) are provided with a circuit breaker in place of the above fuses. In addition, minor control circuit modifications were effected on the last five equipments delivered. The antenna reflector contour and size, is based on an existing fixed station antenna (Antenna OA-1124/FPS). The sectionalization of the reflector and design of support and feedhorn assemblies were subcontracted . Design of transit cases was also subcontracted since the bulk of the items to be stowed (i.e., reflector sections feedhorn assembly and reflector and feedhorn support asseriblies were being designed by them. The antenna pedestal was designed by Hazeltine for transportability and to comply with the other specification requirements. The balance of the components, with the exception of the coax to waveguide transition, were designed by Hazeltine and its subsidiary, Suffolk Products Corp. Problems encountered in the design of the reflector, feedhorn, rotary joint, coax to waveguide transition and rf cabling are discussed in Phase 1 of Task A. Control circuitry problems, for the antenna group, and their solutions are discussed under Phase 2 of Task A, and shelter modification circuitry under Phase 1 of Task B. Problems which were strictly of a mechanical nature, such as transit cases and soil anchors, are separately discussed.
Document Details
- Document Type
- Technical Report
- Publication Date
- May 01, 1961
- Accession Number
- AD0273106
Entities
People
- Gerold W. Bugen
- Paul L. Dominique