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April 17th 04, 12:07 AM
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"-=jd=-" wrote in message ... On Thu 15 Apr 2004 07:22:57p, "MC" wrote in message : I'm picking up AFN on their Puerto Rico freq. of 7.507Mhz. Now this may not seem a remarkable thing but I am in the South East of the UK. Again not remarkable but being new to this Shortwave stuff, I have no idea what I have done to enable me to pick up this station. Yesterday I purchased some common "household" wire (not copper). As I live on the first floor, but have full "sole" use of the garden I attached one end of the wire near to my entrance door (18'/20' from the ground) and it slopes about 60' down to the end fence panel at the bottom of the garden. I have then run the wire back along the top of the fence about another 42' (I have measured by counting the 6 foot fence panels) and about 4' from the ground. This gives a sort of wedge shape wire antenna (as opposed to an inverted L). {snipped} My non-scientific rule of thumb is: 1. Assess your situation. 2. String as much wire as you can, as high as you can, along the best path available. If 100' long by 4' high is all you can do - then that's all you can do. That's your foundation. What's left is the "tweaking" and "accesorizing". There are so many variables that you could probably say every situation is different. Someone else you know in a similar situation could string a similar antenna and (frustratingly) obtain (largely or slightly) different results. Your best bet? Educate yourself (the web will take you pretty far on the subject) and experiment with the cheap/easy stuff first. Your best bet for finding the direction you want to go is from experimentation. What are a couple of cheap/easy ideas? Install a known good ground and a matching transformer to better transfer antenna-to-coax. The effect (if any) may be large or slight. You might also want to peruse the links at: http://www.hard-core-dx.com/nordicdx/antenna/ It has a lot of good info if you are looking for ideas. What you glean from there can be used to google-up some more info. -=jd=- -- Good link. Thanks. MC |
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