Accession Number : ADA187130

Title :   Investigation of Design Considerations for Telemetry, Tracking, and Command (TT&C) Antenna System on Naval Postgraduate School Orion Mini-Satellite.

Descriptive Note : Master's thesis,

Corporate Author : NAVAL POSTGRADUATE SCHOOL MONTEREY CA

Personal Author(s) : Peters, David L

PDF Url : ADA187130

Report Date : Sep 1987

Pagination or Media Count : 73

Abstract : This thesis investigates design requirements for the telemetry, tracking, and command (TT&C) antenna system on the proposed Naval Postgraduate School Orion mini-satellite. Initial design criteria were developed by examination of the satellite itself, including launch vehicles, orbital profiles and ground interfaces. After consideration of these design constraints, a review of commercially available TT&C antennas was conducted to determine compatibility with Orion, cumulating in recommendation of the conical log-spiral as the primary candidate for use on the spacecraft. The conical log-spiral is a low cost, space-qualified antenna capable of providing broadband omni-directional circularly polarized radiation from space, while fulfilling pattern coverage, space-ground link power margin, and transmitter-receiver isolation requirements for the Orion mini-satellite. Keywords: Conical log spiral; Conformal microstrip array; Telemetry tracking, Command; Mini Satellite.

Descriptors :   *ANTENNAS, *ARRAYS, *CONFORMAL STRUCTURES, *TELEMETER SYSTEMS, *TRACKING, ARTIFICIAL SATELLITES, GROUND LEVEL, INTERFACES, LAUNCH VEHICLES, LOW COSTS, ORBITS, PATTERN RECOGNITION, PROFILES, SPACECRAFT, STRIP TRANSMISSION LINES, THESES

Subject Categories : Electrical and Electronic Equipment
      Unmanned Spacecraft
      Target Direction, Range and Position Finding
      Telemetry

Distribution Statement : APPROVED FOR PUBLIC RELEASE