Will A J Pole Work If Mounted In The Attic

By michael martens apr 1 2012 amateur radio emcomm slidedeck.

Will a j pole work if mounted 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. Since you plan to place this in the attic a ground for the mast as lightning protection probably is not necessary and you probably won t need a lightning arrestor installed inline on the coax either. How much loss can be expected. What is the typical signal propagation loss to be expected from a 2 meter 70cm j pole antenna mounted in an attic where the roofing material is the common 5 8 plywood and asphalt shingles compared to the same antenna mounted outside at the same height.

Mac af4ps fp 51 note. It s part of what makes the j pole work so well. This was installed at a previous qth i will be the first or millionth remember i m from fl to affirm that the antenna is the determining factor for success when it comes to one s station set up. I haven t one in an attic but i built a j pole and stuck it on the side of a building between massive a c.

Often amateur radio operators are looking for alternative locations to install their antennas. As more people cut the cord to enjoy free over the air stations like fox cbs abc nbc and more attic mounted antennas are becoming more popular. Its connected to a 281 as well because my father was exceptionally impressed with how someone sounded on our local repeater doing exactly what you re wanting a tm 281 on a j pole in the attic. You will need a peak in your attic that is tall enough for the antenna to fit.

If you live in a space restricted location or are under a hoa restriction you may be able to mount an antenna outside. The better your antenna the more success you will have making contacts. In fact for an attic install you really don t need a mast at least in the traditional sense. Mounting ham radio antennas in the attic.

The ge 33692 attic mount hd antenna is a notable example of an antenna specially designed for placement in the attic. Is it of the magnitude of reaching only half the distance or is the loss less significant. The kb9vbr 2 meter j pole antenna is 69 inches tall overall. The infamous attic dipole.

The only concern with attic mounted antennas is the space available to you for mounting.