Distance from the antenna to a person c.
Ham attic antenna safety.
The attic shortwave antenna wire this is the most importantaspect to improve.
Just don t touch it.
But even if you can t put up an outdoor antenna you can still operate with antennas installed in an accessible attic space.
I know because i live in florida in a community and i have added this amateur radio to my storm preparations but i was planning to do an illegal operation without a license.
On vhf a beam antenna can work well in the attic even a rotator can be used.
It s perfectly safe up in that range of power.
If you are mounting the antenna in your attic you d need about 7 10 feet of space between the antenna and the occupants in the house.
What uni you go to.
Frequency and power level of the rf field b.
All of these choices are correct.
Radio frequency exposure is usually not a significant hazard for most amateur radio stations.
A second advantage to mounting the antenna in the attic is that you will be protected from lightning strikes in the event of severe weather.
It is theoretically possible to create a fire in the attic from your ham radio antenna but the conditions required for that to work require purpose and luck making this not a realistic concern for the typical attic farmer.
With time bare copper oxidizes the wood where the wire is tightly stapled to absorbs some of this oxidization and forms a loose yet lossy bond with the wire.
Lots of amateurs in these situations are doing so successfully especially on hf.
Yes in the attic.
Safety and rf exposure are important topics to consider.
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.
The house will act as a natural shield and as long as your attic mounted antenna system is independent to the rest of your antennas lightning won t be an issue.
What factors affect the rf exposure of people near an amateur station antenna.
Radiation pattern of the antenna d.
If you really want to do an indoor antenna be aware that it s going to be a bitch to tune suscepable to all kinds of indoor rf noise and not very efficient though running jt and psk might make it worth while.
Many hams including many of you reading this are limited by hoa or other outdoor antenna restrictions.
Falling through the roof is a much more likely scenario.
Again stay away from metal and wires to maintain your pattern.
