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![]() wrote in message ... On Dec 2, 9:52 am, "Wayne" wrote: If the receiver noise increases when you hook up the antenna, then you aren't doing too badly. --Wayne In a case like that, he's doing about as well as one can do, not counting changes in pattern. For SWL, a slinky is ok. Not so hot for transmitting though, being the antenna is almost all loading coil with no capacitance added at the ends. Kind of like running back to back ham sticks with no stingers on the ends. :/ It'll work, but there are better designs for short loaded dipoles. Speaking of compromise antennas that work - at least somewhat - there is one that MFJ has been selling for quite a while. Unfortunately, the model number does not spring to mind, but it is for indoor use and consists of a remote control box (remote from the "antenna") an over twenty foot run of coax and a mobile looking telescopic element antenna on a mount of some kind (I forget which type). It does work pretty well. A friend of mine owned one and he lived in an apartment complex with a no external antenna rule. He did a very good job of working out past the Mississippi on 40 meters with just 100 watts. He lived in New Jersey. Ed, NM2K (yes NM5K it is me again. I got my old callsign back) |
#2
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This is a metal slinky, not the plastic ones?
- 'Doc |
#3
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HI DOC,
YES IT IS METAL. I BOUGHT IT OFF EBAY. THANKS FOR YOUR REPLY. CLYDE |
#4
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clyde wrote:
'Doc;694986 Wrote: This is a metal slinky, not the plastic ones? - 'Doc HI DOC, YES IT IS METAL. I BOUGHT IT OFF EBAY. THANKS FOR YOUR REPLY. CLYDE I make one of these in an attempt to create an 80m dipole in my loft and did work to some extent and my IC703 was OK with it. I took it down in the end because as part of a 'fan dipole' it was fantastic at picking electrical noise. You can see what I did at http://www.radiowymsey.org/FanDipole/slinky.htm Charlie. -- M0WYM www.radiowymsey.org Sales @ radiowymsey http://shop.ebay.co.uk/gnome7763/m.html? |
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