You can adjust the listing wires upward or downward by utilizing appropriate holes in the sides.
Install a roof antenna with wire under headliner.
Then if present snap the listing wire or wires into longitudinal bow receptacles.
Find the front of your new headliner and insert the bows in the listings sewn into the backside of the headliner.
Installed sirius xm antenna on the roof where it belongs.
He wants about 700 to remove headliner change antenna wires.
Installing my xm antenna is exactly why i had the headliner out.
When its lower than a few wavelengths and at multiples of 1 4 wavelength like 1 4 3 4 etc the pattern of a vertical antenna can be pushed upward and away from the horizon a bit lowering its gain at the horizon.
You can also buy non penetrating mounts that use weights rather than screws to hold them in place.
It required putting a small groove in the base of the factory antenna and then i sealed everything up with black rtv.
First it may be more cumbersome to install a large tv antenna than a small one so you may want to enlist some help if you cannot manage it on your own.
Second some may find large tv antennas to be unsightly.
Then work forward and install remaining side to side wires.
You want the listing wires.
Whatever you do do not put holes in your roof to attach your antenna.
Size plays a factor in two ways.
Work toward the rear and install the side to side wires.
As a general rule the farther an outdoor tv antenna s range the larger the antenna is.
In order to mount an antenna on your roof without damaging it you should attach the antenna to the gable the fascia or the chimney.
I mounted the antenna at the trailing edge of the roof and ran the wire down through the factory antenna mounting hole.
Excess wire coiled up in same location.
Lift the headliner to the roof and install the number 3 wire rod.
This solved the problem for about 4 months.
After two hours could not find the other end under the dash.
If you do not have the v prongs skip the next step.
This is where the short bow will attach.
I would consider a vhf uhf antenna over a huge metal roof ground plane similar to an hf antenna over earth ground.
During the installation i found a sirius xm antenna inside the cap on top of the driver s side cabinet up against 1 high aluminum angle on one side.