Guest mike Posted January 14, 2021 Report Share Posted January 14, 2021 Hi, I am interested in using GMRS frequencies, mostly simplex now & duplex in the future . I'm also possibly interested in 2m/70cm ham bands in the future. For now I will be using an HT connected to a base antenna. I'm trying to find an appropriate base antenna (preferably a vertical) which I can use for all the above with acceptable SWR. And hopefully just do this antenna & coax thing once. The repeaters are all close enough to me that I dont expect them to be an issue with any base antenna. The trick is going to be using simplex. As, I live in a small valley, and areas that I want to be able to simplex to outside that valley. Though they are mostly 5 miles or less, I expect it may be tough (also base on my trials with an HT). I think the best I can do with mounting height is a 35 foot telescoping mast (which someone gave to me). Oh yeah, I forgot to mention that I live in a hollow within that valley (if it sounds like southeast Tennessee , it is). I have been researching antenna manufactures websites & many forums for the last several months, I have more knowledge than before I started, but still cant pick an antenna. I have seen on several forums people stating that they use a 2m/70cm antenna (rated only up to 450mhz) & that they stall have SWR at or below 1:5. The other issue is that I need to stay below $150.00 if possible. Though if the perfect antenna for me was a little more, I would like to consider it. I have read if you live in a hollow it may be best to pick an antenna which has a "higher angle of radiation) or "take off angle" so, as to allow the signal to shoot over the surrounding hills , vs. bounce off them if the signal is shooting straight into the hills. So, possibly a plane vertical vs. a vertical with ground plane ?thanks, Mike Quote Link to comment Share on other sites More sharing options...
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