Description:
Antennas: theory, techniques and construction.
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Genius
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from [link] "The Sun is very hot because it is burning. Burning as we know it produces soot and other by products in abundance that when these particles collect in the air they become visual to the eye as smoke even tho the particles themselves are invisible to the eye unless there is a contrast in light as with particles passing thru a shaft of... more »
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mast position when mounting a beam?
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I'm in the process of putting up a 4 element 6 meter beam. I'd like it to be balanced but that means I'll be attaching it to my pole half way between the driven element and first director. This is a 2" diameter aluminum pole and I'm concerned that it will interfere with the pattern. Can anyone say (with some level of confidence) if this is... more »
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Remote progr. antenna rotator AR500 - Manual
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Hi all, I'm looking for the instructions manual of the "Remote Programmable Antenna Rotator AR500". I bought one at a local 2nd-hand-ham-market but I can't use it without the manual. Has anybody a scan of it ? Or does anybody know a link to download it? I would be very gratefull if I found any help !... more »
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Fos sale or swap
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I have a 5/8 wave 136 - 230 Mhz, looking for something 2.4 2.5 Ghz. mbu...@shaw.ca
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Rebellion on NEC programs
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In the days before NEC amateurs did antenna testing in the field. This was a very fruitfull area for the naysayers to argue because the attack on the method of testing could never have closure and the naysayers with the loudest voices continued to rein as the true experts with respect to antennas and amateurs.... more »
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Angry WHY is it spammers and assorted other trash are posted in the WRONG forums??
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Angry WHY is it spammers and assorted other trash are posted in the WRONG forums?? If EVERYONE would pay attention to what the hell they're posting,then this site would be more enjoyable for everybody here!!! Politics crap does NOT belong in the shortwave forum!!!! Garbage from you tube does NOT belong in the antenna forum!!! Etc,etc!!! Get a clue people,or get... more »
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Multi polarization antenna
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What is the best antenna for use with all circular, horizontal, vertical and other polarizations without drastic fall of in gain, and without changes in angular position and feed point via switches e.t.c at the tower top?
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SMS?
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Has anyone else noticed that the Prudential commercial on TV is sending SMS instead of SOS?
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Entertainment
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This site is full of entertainment updates.It has gossips,genuine news,live exclusive TV channels and all about online games. Please visit.[link]
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