Again stay away from metal and wires to maintain your pattern.
Ham radio attic antenna.
How high should my dipole antenna be.
Thanks david for the insulators first to comment below i ll send you an insulator in the mail.
Apartment attic hoa and small spaces ham radio antennas.
This is great for the amateur radio operator that is providing net control activities during a skywarn severe weather activation.
After evaluating several commercial options he selected the arrow osj 146 440 j pole antenna.
Lots of amateurs in these situations are doing so successfully especially on hf.
The same techniques apply.
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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.
The mfj 931 could potentially be used a tuned counterpoisefor your attic shortwave antenna.
Viewer request to try out an antenna for ham radio in the attic.
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.
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.
On vhf a beam antenna can work well in the attic even a rotator can be used.
Many hams including many of you reading this are limited by hoa or other outdoor antenna restrictions.
I recommend using not less than 18 gauge for most antennas.
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.
But even if you can t put up an outdoor antenna you can still operate with antennas installed in an accessible attic space.
For best results you would first tune the receiver to the frequency you.
Using the cq antennas center insulators from ke5fen.
A j pole offers about the same gain performance as a half wave dipole.
There are places that we mentioned earlier that won t allow antennas towers or antenna poles to be constructed.
The same dipoles and loops that you use in your attic can also be used in any other room in your home.
As with most antennas the more height the better for indoor operating however most hams recommend using low output power.
August 10 2020 in.
Hf active loop antenna the cross country wireless hf active loop antenna is a compact receiving loop with a frequency range of 200 khz to 70 mhz with.
Keep the antenna as high off the floor as possible.
