Missile Plume Temperature Sensor and ARCAS Rocket VLF/LF Payload
Final rept. 3 Aug 1973-30 Jun 1975
EPSILON LABS INC BURLINGTON MA
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The report describes two separate types of instrumentation packages. The first relates to a requirement for measuring missile plume temperatures. A low weight, low volume projectile has been designed and fabricated to include a fine tungsten wire resistance thermometer. The variation in resistance as the projectile transverses the plume at ground level after vehicle ascent is telemetered at 1680 MHz to a ground receiver. The second system describes a VLF LF experiment package for inclusion in an Arcas payload. Transverse Electric and Transverse Magnetic components propagated through the upper atmosphere in the 20 KHz to 60 KHz range are detected, processed and retransmitted to the ground at 1680 MHz. The transmission to the ground is achieved by a quadrupole antenna system consisting of four 14 lamda stubs. The entire payload weight is approximately 8.5 lbs. and will achieve a peak altitude in excess of 70 Km.
- Test Facilities, Equipment and Methods
- Radiofrequency Wave Propagation