Build a 10 or 20 metre yagi antenna in your attic.
Mount a yag in attic.
Rotator attached to plywood mounting plate ready for attic installation.
The kb9vbr 2 meter j pole antenna is 69 inches tall overall.
Works with existing attic venting.
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.
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.
Point the yagi in the direction of the p25 signal.
A new control cable was also run between the rotator and the control box in the shack.
Designed to mount inside your attic the solar star ventilation fan im 1500 converts passive gable dormer powered and whirlybird vents into an active solar powered venting system.
The 16 watt solar panel sits discreetly on your roof to maintain your home s curb appeal.
The only concern with attic mounted antennas is the space available to you for mounting.
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.
You will need a peak in your attic that is tall enough for the antenna to fit.
Locate best place to mount it by moving the antenna around and radio if necessary.
However it may be possible to use your loft space to house an inverted v yagi beam antenna.
If your house has a tin or steel roof then the attic wouldn t be much of an option.