Mount A Yag In Attic

Rotator attached to plywood mounting plate ready for attic installation.

Mount a yag in attic.

Works with existing attic venting. In the attic i determined the direction of true north using my phone s compass app aligned the plate accordingly and then attached it to the attic floor with decking screws. Point the yagi in the direction of the p25 signal. However it may be possible to use your loft space to house an inverted v yagi beam antenna.

Building an effective hf antenna can be difficult when space is limited building a beam antenna may appear impossible if you don t have enough room to house the directors and reflectors required by these beam antennas. A new control cable was also run between the rotator and the control box in the shack. If it works mount the antenna in the attic where the signal is best. You will need a peak in your attic that is tall enough for the antenna to fit.

If your house has a tin or steel roof then the attic wouldn t be much of an option. The kb9vbr 2 meter j pole antenna is 69 inches tall overall. And see if you pick up any of it. Build a 10 or 20 metre yagi antenna in your attic.

Locate best place to mount it by moving the antenna around and radio if necessary. The second person will be up on the roof or wherever you plan to mount the outside antenna and will be aiming the outside antenna. Ideally you want the antenna mounted to a pole that you can hold rather than holding the antenna directly since holding the antenna can affect the performance.