Thanks for the  reply's I am fully digital with coax between the antenna and TV, Looks like a beam antenna is in my future. I only need to point to one tower since it carry's the top 20 channels.
Thanks Again
George

This is not a ham issue but a antenna issue any help will be appreciated.
 I am getting interference from airplanes and cars on my TV when they pass. I am line of sight from the transmission towers and this only happens on lower VHF frequencies (Channel the Ball Game is ON) I was thinking of stacking two horizontal omnidirectional antennas (basically a dipole shaped into a circle ) How far should they be apart? or will it do any good?
Any thoughts or suggestions would be greatly appreciated...... and no I don't want cable or dish
Thanks
George

Thanks for all the reply's I wound up using the 18 ga wire, for a mast I used 1 1/2 PVC with a piece of 1 1/2 od wood handrail to keep it stiff, with 1/2 inch pvc cross members to support the wire
Works well so Far <GRIN>
Thanks George

I don't have experience with rotors, but have a idea.... construct a plate underneath that would accept a regular rotor, then make a "L" bracket to bolt to the rotor you have, This way when you upgrade unbolt the bracket and bolt the new rotor in.
By the way Nice work on the tower very professional
George

I am working on the same issue, I currently have a 10' piece of schedule 40 pipe mounted to the dog house with the bottom is sitting on the ground attached is a rotor at about 8' with a thrust bearing at 10 feet. In the rotor is a piece of 1 1/4 conduit pipe, at the top of the conduit pipe I have a 14 ' piece of 1 1/2 PVC pipe. This worked well for about 6 months until Tuesday when the wind broke the PVC at the connection to the 1 1/4 conduit, My memorial weekend project is going to be replacing the 1 1/2 PVC with a new piece with 1 1/2 wood handrail inside and a 2inch steel sleeve over the connection at the 1 1/4 conduit to 1 1/2 PVC
Hope this makes sense I guess I am rambling on, trying to fix my own problem
George

My vertical Moxon antenna blew down Tuesday, So I have to rebuild it (mast broke) I was thinking about how I could improve it.
My question is is there a advantage to using copper pipe over copper wire?? currently I am using 18 gauge copper wire and was thinking about using 3/4 copper pipe. Would that be worth the effort or just waste of time and material??
Thanks
George

I wouldn't think you would have to?? and I didn't think adding radials would help but it did.
I don't profess to know what I am doing
Thanks
George

I have is a choke balun made with some rg8 coiled on the antenna and I do have excess coax coiled hung on a nail just before it goes out of the shack. I also have ferrite beads on the coax about 1 foot from the ant tuner.
I know I am rambling about things that I would think have no bearing on the problem?? But I could be wrong<GRIN>
Thanks
George

I'll try an answer the questions in order

SWR on tuner about 1:2 SWR on Rig 1:3 and I get a High SWR displayed on the rig with reduced power output

Yes rig, amp, tuner (even went out and double checked)


This only happens on 10 meters the antenna a Moxon Vertical cut for 10 meters. the other antenna switched from the tuner is a parallel inverted V and works fine

Yes the relay only closes when amp is in transmit mode, also same problem when amp OFF


I currently have a 18gauge wire independently connected from the rig amp and tuner to to a grounding bar that connects to a grounding rod in the ground. the antenna is grounded to earth but not interconnected with the grounding in the shack except for the coax

Glad to see that it wasn't just me that thought this strange

Thanks for all the Help
George

I have run across a problem I don't quite understand?
turned on the radio this morning (Yaesu FT950) SWR perfect made a few contact everything great with amp on (Dentron 1000) turned amp to standby SWR goes High, turned amp off swr high. Turned antenna selector on antenna tuner to direct SWR drops to 1:1?? the signal is still going through the amp. and this only happens on 1 antenna the other antenna does not have any problems.
Any help would be appreciated
Thanks
George

Thanks for the info
Now I Know
73's
George

What is the ground for? If it's a ground for your antenna in case of lighting???  sounds dangerous to me
George

I reading about making a Balun and the directions say use 1mm CU wire. I know what 1mm is but what is CU Wire. solid core copper? stranded??
Does anyone know?
Thanks
George

Rich you are right! I had the coax running horizontally on top top of the Playhouse that supports the antenna, I moved the coax so it went straight vertically to the ground and the RF in the shack was minimized, Not sure why?? Maybe adding snap on may completely remove the RF from the shack??
Any other suggestions or comments would be appreciated

Thanks
George

By perfectly I had a 1:1 SWR a 3 to 5 db gain over the parallel dipole connected to the same radio and tuner and no rf in the shack.

So why did I raise the antenna? the antenna was located between two houses below the roof line, By raising the antenna and adding a rotor I was hoping to improve performance and usability


I have multiple antennas which require a tuner.


The mast between the driven element and the reflector is PVC. The support below that point is metal, just like before. the coax runs from the connection horizontally to  the plastic mast then down, I will try relocating the coax to see how that affects the rf in the shack

Thanks for all the input
George