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Answer to Question #1420 Submitted to "Ask the Experts"Category: Microwaves, Radar, and Radiofrequency — Satellite Dishes The following question was answered by an expert in the appropriate field: Q
On my roof there are two satellite dishes for cable TV. What effect do they have on the communication radio system and on our health?
A
TV satellite dishes are receiving antennas. They do not transmit any radio signals. Consequently they do not cause radiofrequency interference with other radio devices, and there is no opportunity for exposure of people to potentially harmful levels of radiofrequency energy.
Gary Zeman, ScD, CHP Lawrence Berkeley National Laboratory
Answer posted on 16 November 2001. The information and material posted on this Web site is intended as general reference information only. Specific facts and circumstances may alter the concepts and applications of materials and information described herein. The information provided is not a substitute for professional advice and should not be relied upon in the absence of such professional advice specific to whatever facts and circumstances are presented in any given situation. Answers are correct at the time they are posted on the Web site. Be advised that over time, some requirements could change, new data could be made available, or Internet links could change. For answers that have been posted for several months or longer, please check the current status of the posted information prior to using the responses for specific applications.
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