Mounting Ocf Dipole In Attic

The modern common windom antenna is not an original single wire fed windom but rather an off center fed or ocf two wire feed dipole.

Mounting ocf dipole in attic.

Bracketts from the previous antenna which broke still on the chimney. Leave a reply cancel reply. When installing an antenna in the roof space or attic it is possibly much easier dependent upon the actual layout to route feeders into the attic. I have antenna restrictions ccr s say none but used some blackmail.

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. In other words an 80 meter windom 137 feet long would have one leg 45 667 feet long and the other leg 91 333 feet long. Required fields are marked. Like the attic dipole likely something i would do since the wife would shoot down the tower idea.

1 response to hidden attic dipole antenna installation. I hung the balun on a beam in the attic. There is a vent about a foot away and i ran the wires out of it. Well after a bit of reasearch i came up with the idea of using the ocf dipole 7 band 300 watts in a loop.

2016 10 03 at 19 24 k. Ridgeline ocf dipole layout physically shortened dipoles are practical too for an attic antenna. Coax hookup for vertical uhf vhf vertical antenna at the base of the chimney. I ve had a fan dipole in the attic for 17 and 20 for years.

When there is insufficient area to mount a full size dipole. Protection from the elements. Feeding the dipole at that point yields a minimum free space impedance of 70 72 ohms. You can a 50 linear loading line in each leg of the dipole without loss.

You can build a double bazooka with the same results as a linear. Coaxial cable or coax os the most common form of feeder. 2m j pole in attic. Radio antennas that are located externally are subject to the rigours of the weather.

The normal windom is described as having a 1 3 length leg and a 2 3 length leg. Mac af4ps fp 51 note. Replaced with a smartuner auto coupler and dipole configuration and get all bands. Using a ladder and a strap stapler i ran the wires to the edge of the roof and then in as large of a pattern as possible.

The better your antenna the more success you will have making contacts. The infamous attic dipole. The so called ocf windom is also a misnomer for the same reasons. So need to get licensed.

Worked europe africa middle east no problem 59 with 100w. A half wave dipole is usually fed at its center because this is where maximum current occurs. Your email address will not be published.