Description:
Antennas: theory, techniques and construction.
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Follow Up On Coax & Connectors To Use
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Hi, Just a bit of a followup from my previous post. Am in my 70's now, and not too sharp with this stuff anymore. But, I really enjoy sw listening. Doing some re-plumbing. The suggestion was made that the common RG-6 that is everywhere would do me just fine, as I'm talking about about 3 foot patch cord lengths.... more »
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Art in Wonderland
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"If I had a world of my own, everything would be nonsense. Nothing would be what it is, because everything would be what it isn't. And contrary wise, what is, it wouldn't be. And what it wouldn't be, it would. You see?" Alice
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Mesh curtain antenna
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My latest antenna is up! It is a window mesh curtain 8 foot by 100 foot about 1 foot off the ground. It is an all bander with the xmitter tuner on all the time, later I will trim it so I can leave the internal tuner off. At the moment the red light comes on when I am right in the center only of the top band and the SWR reads 1.5 for the middle section only!.... more »
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Alliance Tenna-Rotor for sale
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I have an Alliance Tenna-Rotor model T-20 with control box for sale. It has about 87 feet of 4 conductor cable that goes with it. It can be viewed at: [link] or [link] I'm asking $50 plus shipping CUS.... more »
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Turn an FM Transmitter into a Micro Pirate Radio
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Corporate radio is preprogrammed junk. But don’t curse the DJ; seize the airwaves! With a soldering iron and a cheapo FM transmitter — the kind used to play an iPod through a car radio — you can transform your humble Honda into a Radio Free Civic that can broadcast your tunes up to ... 100 feet.... more »
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Which Coax (listening only) & Good Sources ?
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Hello, Senior citizen that enjos HF and vhf/uhf listening, but frankly not very technical. A few years back, I had to order some bnc, etc. connectors. Ordered from supposedly popular source who said they had it all in stock, and had to wait weeks and weeks to get it as they obviously didn't. Would sure like to avoid that kind of experience again.... more »
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2M Linear Amp for sale
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RF Concepts RFC2-117 linear 2M linear amp with GaAs FET receive pre-amp. 143-149 MHz. 10 W in 170 W out. Similar to the Mirage now advertised in QST for $330. I'm asking $190 plus postage. I can be reached at 651-426-4144. Thanks Henry
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Alliance Tenna-Rotor
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I have an Alliance Tenna-Rotor model T-20 with control box for sale. It has about 87 feet of 4 conductor cable that goes with it. It can be viewed at: [link] or [link] I'm asking $100 plus shipping CUS.... more »
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Military HF Ionosphere study - USAF News Article
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There are links on the articles page to Hi-res photos of the dipoles and the location of their facility. From the article... Mr. Battis described the unique nature of the HAARP array, consisting of 180 transmitters distributed over 35 to 40 acres of land, with a frequency range of 2.65 to 10 megahertz.... more »
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