The Twerle Balloon-To-Satellite Data Transmitting System

Nadav Levanon; Juris Afanasjevs; Scott D. Ellington; Robert A. Oehlkers; Verner E. Suomi; Ernest W. Lichfield; Michael W. Gray

doi:10.1109/TGE.1975.294371

The Twerle Balloon-To-Satellite Data Transmitting System

Nadav Levanon, Juris Afanasjevs, Scott D. Ellington, Robert A. Oehlkers, Verner E. Suomi, Ernest W. Lichfield, Michael W. Gray

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

This paper describes the balloon instrumentation system which provides the one-way link for data gathering and navigation in the Tropical Wind, Energy conversion and Reference Level Experiment (TWERLE). In this experiment 400 instrumented constant-level balloons will be launched at the southern hemisphere during 1975. The Random Access Measurement System (RAMS) on board the NIMBUS-F satellite, will comprise the receiving end of the link. The data encoder, stable oscillator, transmitter and antenna are described, as well as two supporting components, the power source and the magnetic cutdown. These six items weigh 850 g. The oscillator-transmitter consume 1.9 W dc power to provide 0.6 W phase modulated RF power. Standby dc power consumption is 0.3 W.

Original language	English
Pages (from-to)	39-52
Number of pages	14
Journal	IEEE transactions on geoscience electronics
Volume	13
Issue number	1
DOIs	https://doi.org/10.1109/TGE.1975.294371
State	Published - Jan 1975
Externally published	Yes

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abstract = "This paper describes the balloon instrumentation system which provides the one-way link for data gathering and navigation in the Tropical Wind, Energy conversion and Reference Level Experiment (TWERLE). In this experiment 400 instrumented constant-level balloons will be launched at the southern hemisphere during 1975. The Random Access Measurement System (RAMS) on board the NIMBUS-F satellite, will comprise the receiving end of the link. The data encoder, stable oscillator, transmitter and antenna are described, as well as two supporting components, the power source and the magnetic cutdown. These six items weigh 850 g. The oscillator-transmitter consume 1.9 W dc power to provide 0.6 W phase modulated RF power. Standby dc power consumption is 0.3 W.",

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AU - Levanon, Nadav

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AU - Ellington, Scott D.

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AU - Suomi, Verner E.

AU - Lichfield, Ernest W.

AU - Gray, Michael W.

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AB - This paper describes the balloon instrumentation system which provides the one-way link for data gathering and navigation in the Tropical Wind, Energy conversion and Reference Level Experiment (TWERLE). In this experiment 400 instrumented constant-level balloons will be launched at the southern hemisphere during 1975. The Random Access Measurement System (RAMS) on board the NIMBUS-F satellite, will comprise the receiving end of the link. The data encoder, stable oscillator, transmitter and antenna are described, as well as two supporting components, the power source and the magnetic cutdown. These six items weigh 850 g. The oscillator-transmitter consume 1.9 W dc power to provide 0.6 W phase modulated RF power. Standby dc power consumption is 0.3 W.

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The Twerle Balloon-To-Satellite Data Transmitting System

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