[Mobile Repeaters]

I have a Retevis RT97 setup at my house with a Ed Fong GMRS antenna with cheap coax and it works very well. It sits higher than the surrounding area but I can hit it with a 5 watt HT from 15 miles away no problem.

Also you can watch this video:

 

[Antenna Separation for a Repeater]

4 hours ago, gortex2 said:

Repeater Builder had some charts

https://www.repeater-builder.com/antenna/separation.html

 

 

Ok looking at this it is there is no other way, Duplexer it is.

Thanks for the very helpful info.

[Antenna Separation for a Repeater]

Vertically or horizontally?

I guess Vertically that way I can use the same vertical mast.

Thanks for the responses.

[Antenna Separation for a Repeater]

I'm wondering how far apart the TX antenna needs to be from the RX antenna?