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#17
September 1st 07, 03:03 AM
posted to sci.electronics.basics,rec.radio.shortwave,rec.radio.amateur.antenna
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What is the highest radio frequency used for astronomy? Is it 3,438 GHz?
On Thu, 30 Aug 2007 17:16:59 -0700, Dave Platt wrote:
Tam/WB2TT wrote: I am curious here. At some point you have to switch from metallic conductors and antennas to lenses and other optics. Any idea what the highest frequency RF amplifier works at? Dunno about an RF amplifier per se. I do know that there have been some very interesting experiments with nanotechnology, over the past couple of years, in which tiny carbon nanotubes have been used as optical-frequency antennas. http://www.nanowerk.com/spotlight/spotid=1442.php has a brief writeup on one such. So, is anybody making solar panels with them yet? Thanks, Rich |
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