Keep the antenna as high off the floor as possible.
Ham radio attic antenna.
The mfj 931 could potentially be used a tuned counterpoisefor your attic shortwave antenna.
Thanks david for the insulators first to comment below i ll send you an insulator in the mail.
For best results you would first tune the receiver to the frequency you.
Lots of amateurs in these situations are doing so successfully especially on hf.
The same dipoles and loops that you use in your attic can also be used in any other room in your home.
Using the cq antennas center insulators from ke5fen.
Again stay away from metal and wires to maintain your pattern.
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.
As with most antennas the more height the better for indoor operating however most hams recommend using low output power.
This is great for the amateur radio operator that is providing net control activities during a skywarn severe weather activation.
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I recommend using not less than 18 gauge for most antennas.
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.
Yes in the attic.
August 10 2020 in.
Apartment attic hoa and small spaces ham radio antennas.
After evaluating several commercial options he selected the arrow osj 146 440 j pole antenna.
A dipole in the attic of your home is a good idea if you have enough space in your attic to place one.
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.
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.
But even if you can t put up an outdoor antenna you can still operate with antennas installed in an accessible attic space.
The same techniques apply.
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.
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.
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.
