An Executive Summary of the Satellite Voice Broadcast System Study designs are synthesized for direct sound broadcast satellite systems for HF-, VHF-, and Ku-bands. Methods are developed and used to predict satellite weight, volume, and RF performance for the various concepts considered. Cost and schedule risk assessments are performed to predict time and cost required to implement selected concepts. Technology assessments and tradeoffs are made to identify critical enabling technologies that require development to bring technical risk to acceptable levels for full scale development
Empirical expressions are derived to account for various components of the television satellite broa...
Three types of satellite-aided mobile communications are considered for users in areas not served by...
Demand for telecommunications services is forecasted for the period 1980-2000, with particular refer...
The feasibility of providing Voice of America (VOA) broadcasts by satellite relay was investigated. ...
This study investigates the feasibility of providing Voice of America (VOA) broadcasts by satellite ...
Feasibility study of direct broadcast of voice programs from unmanned satellite to home receiver
Satellite concepts are examined which offer potentially significant sound broadcast coverage of audi...
The cost and technology characteristics are examined for providing special satellite services at UHF...
Demand for 30/20 GHz satellite systems over the next two decades is projected. Topics include a prof...
NASA is committed to providing technology development that leads to the introduction of new commerci...
Analysis of technological and cost factors affecting feasibility of television broadcast satellites ...
The objectives of the program were: (1) development of methodology based on the technical requiremen...
A forecast of demand for telecommunications services through the year 2000 is presented with particu...
A statistical analysis of propagation characteristics at 12 GHz for the design of a worldwide commun...
Three types of satellite aided mobile communications are considered for users in areas not served by...
Empirical expressions are derived to account for various components of the television satellite broa...
Three types of satellite-aided mobile communications are considered for users in areas not served by...
Demand for telecommunications services is forecasted for the period 1980-2000, with particular refer...
The feasibility of providing Voice of America (VOA) broadcasts by satellite relay was investigated. ...
This study investigates the feasibility of providing Voice of America (VOA) broadcasts by satellite ...
Feasibility study of direct broadcast of voice programs from unmanned satellite to home receiver
Satellite concepts are examined which offer potentially significant sound broadcast coverage of audi...
The cost and technology characteristics are examined for providing special satellite services at UHF...
Demand for 30/20 GHz satellite systems over the next two decades is projected. Topics include a prof...
NASA is committed to providing technology development that leads to the introduction of new commerci...
Analysis of technological and cost factors affecting feasibility of television broadcast satellites ...
The objectives of the program were: (1) development of methodology based on the technical requiremen...
A forecast of demand for telecommunications services through the year 2000 is presented with particu...
A statistical analysis of propagation characteristics at 12 GHz for the design of a worldwide commun...
Three types of satellite aided mobile communications are considered for users in areas not served by...
Empirical expressions are derived to account for various components of the television satellite broa...
Three types of satellite-aided mobile communications are considered for users in areas not served by...
Demand for telecommunications services is forecasted for the period 1980-2000, with particular refer...