Ham Radio Antenna In The Attic
But even if you can t put up an outdoor antenna you can still operate with antennas installed in an accessible attic space.
Ham radio antenna in the attic. This is great for the amateur radio operator that is providing net control activities during a skywarn severe weather activation. 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. Videos you watch may be added to the tv s watch history and influence tv recommendations. A j pole offers about the same gain performance as a half wave dipole.
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. Many hams including many of you reading this are limited by hoa or other outdoor antenna restrictions. If it is mostly used by ham radio operators to solve problems while transmitting the mfj 931 shouldalso work for a receive only purpose. Full screen is unavailable.
If playback doesn t begin shortly try restarting your device. The same techniques apply. Indoor attic dipole antenna for ham radio cq antennas center insulators. Attic antennas many types of antenna can be mounted in the attic if you don t have radiant barrier tech shield.
After evaluating several commercial options he selected the arrow osj 146 440 j pole antenna. Yes in the attic. Need lots of room keep them away from metal objects like heaters and ducts wire antennas can be run near the peak of the roof inside the attic bent in odd shapes to match the space available. Again stay away from metal and wires to maintain your pattern.
The same dipoles and loops that you use in your attic can also be used in any other room in your home. Antennas in the attic are a fire hazard this is one of my most favorite excuses because the factual case of a fire hazard is nearly impossible to make. The mfj 931 could potentially be used a tuned counterpoisefor your attic shortwave antenna. As with most antennas the more height the better for indoor operating however most hams recommend using low output power.
On hf wire beams can be run on the roof supports or the rafters these usually are good for one direction only but can be switched electrically for different coverage. The attic option imposed a height restriction on the antenna of 66 inches maximum and if the rooftop exterior option was necessary randy wanted a low profile antenna. For the most common type of antenna the dipole the high voltage point is the ends of the antenna. On vhf a beam antenna can work well in the attic even a rotator can be used.