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Rf safety requirements roof mounted antennas.
The information on this page provides answers and information to inquiries.
Technical guidelines for evaluating compliance with the fcc rf safety requirements can be found in the fcc s oet bulletin 65 see oet safety bulletins listing elsewhere at this web site.
This zoning exemption shall only apply if the antenna and associated equipment are attached to a building or other structure that has a use independent of supporting such equipment.
Stray rf suppression or simply rf grounding 3.
The first thing to know is that there are three functions served by grounding in ham shacks.
This term includes transmitting and receiving elements and rotating or other directional mechanism.
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Distance gain and duty cycle are the three factors to consider when installing and safely operating an antenna system be it outdoors or in your attic.
If the proposed antenna installation application does not meet the requirements of tppn 5 1998 a special board of standards appeals permit will be needed.
Fcc exposure limits the federal communications commission fcc has established safety guidelines relating to rf transmitter sites.
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This rf awareness guide is intended for those georgia tech gt employees that access rooftop locations containing radiofrequency rf emitting antennae.
After antennas station grounding is probably the most discussed subject in amateur radio and it is also the one replete with the most misconceptions.
Because of its regulatory responsibilities in this area the federal communications commission fcc often receives inquiries concerning the potential safety hazards of human exposure to radio frequency rf energy.
These rods can be mounted virtually anywhere on a roof see photo 5 and unlike the microwave dishes they emit radio frequency rf energy uniformly 360 degrees known as omni directional.
Low powered intermittent or inaccessible rf antennas and facilities including many cell sites are normally categorically excluded from the requirement.
Antennas can be ground mounted roof mounted or building mounted.
Safety and rf exposure are important topics to consider.
An antenna is a device used to transmit or receive communications signals.
Requirements for outdoor antenna systems 1 the nec is not a design specification and it does not address anything having to do with radio propagation structural requirements or the actual use of radio telescopes.
There is no requirement that the antenna system actually work only that it be safe.
