In my opinion the thicker the better.
Antenna attic ground plane gauge.
The kb9vbr 2 meter j pole antenna is 69 inches tall overall.
Half dipole antennas ground plane monopole and marconi antennas are different they have parts that must be electrically grounded.
Signal strength from distant vhf repeaters does not seem to be affected even when the roof is wet.
Grounding tv antenna and metal porch and resolving ground rod issues.
This antenna has all the reception power of an outdoor antenna but features a curved metal frame of reflectors that are designed for fitting easily into smaller attic spaces.
I have several vhf ground plane and discone antennas in my attic.
If the top of the antenna touches the walls or roof the performance may be affected slightly.
My house ground rod is not to far from where the antenna will go but the copper will have to go out and down one side of my house.
Aluminum plates or chicken wire can be used to create the required ground reflection.
Preferably you want it to be shielded.
Theses are sprout antennas like the one on a car and wire antennas for showrt wave and ham radio.
I used good 10 gauge speaker wire on mine.
The only concern with attic mounted antennas is the space available to you for mounting.
Four counterpoise wires of thick gauge these are copper wires that will create the ground plane for your antenna.
I have read many mixed opinions on grounding in the attic so i have decided to ground just to be safe side.
The wood structure is pretty transparent to rf energy.
The ge 33692 attic mount hd antenna is a notable example of an antenna specially designed for placement in the attic.
16 gauge would be fine any thinner and you might be pushing it.
Here s part of my setup.
You will need a peak in your attic that is tall enough for the antenna to fit.
I have no idea how to ground it though.
I want to cut the cord and put a antenna in my attic.
Dipole and long wire antennas can also be used with mobile outdoor style auto tuners feeding them in an attic space.