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Forums
4hv.org :: Forums :: Electromagnetic Radiation
4hv.org :: Forums :: Electromagnetic Radiation
Electromagnetic Radiation Forum
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Wireless power transfer Go to page: 1 2
Tom540
Tue Sept 18 2007, 04:45PM		 11 4447 Slava
Sat Jan 12 2008, 07:03PM
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Does this work in theory (X, K, KA, IR, jammer)
Ownage
Mon Nov 19 2007, 07:14PM		 2 1740 Slava
Sat Jan 12 2008, 07:01PM
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Simplest possible radio transmitter for microcontrollers
Bjørn
Fri Dec 28 2007, 05:52AM		 6 1996 Slava
Sat Jan 12 2008, 10:03AM
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What is this signal?
Avi
Wed Dec 26 2007, 04:36PM		 5 1941 Avi
Thu Dec 27 2007, 10:33AM
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SAQ Transmission - December 24th, 2007 - 0800 UTC Go to page: 1 2 3
Chris Russell
Fri Nov 30 2007, 07:18AM		 20 5606 Chris Russell
Mon Dec 24 2007, 09:08AM
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A Short Loaded Dipole for 20m
Chris Russell
Fri Dec 21 2007, 11:15PM		 3 4161 Chris Russell
Sat Dec 22 2007, 06:54PM
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Mobile Emp project
jameselectric
Fri Nov 23 2007, 04:12AM		 6 2675 j.azz
Fri Dec 07 2007, 11:13PM
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Really small EMP Go to page: 1 2
Arktik
Tue Oct 30 2007, 04:47PM		 10 3761 Arktik
Thu Nov 01 2007, 04:19PM
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cb radio
brockolicious
Mon Sept 03 2007, 01:47AM		 7 2186 CDX825
Wed Oct 31 2007, 08:29AM
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QRSS Beacon Test Go to page: 1 2
Dave Marshall
Sun Sept 09 2007, 03:50PM		 19 4146 Chris Russell
Tue Sept 25 2007, 02:05PM
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49er beacon?
ShawnLG
Wed Sept 19 2007, 03:58PM		 3 1721 ShawnLG
Thu Sept 20 2007, 04:42AM
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Russian Geiger-Mueller Detector Go to page: 1 2 3
Sulaiman
Wed Sept 20 2006, 09:09PM		 21 8348 dexterslab
Wed Sept 19 2007, 01:32PM
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Numbers Stations Go to page: 1 2 3
Chris Russell
Mon Jun 12 2006, 10:59PM		 21 5422 Banana Man
Mon Aug 06 2007, 03:02AM
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Single VS dual heterodyne receiver results.
ShawnLG
Sun Aug 05 2007, 06:34AM		 3 1880 ShawnLG
Sun Aug 05 2007, 03:54PM
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Play With Your Radios And Help A Good Cause
Dave Marshall
Fri Aug 03 2007, 05:50AM		 1 1344 Dave Marshall
Fri Aug 03 2007, 05:50AM
No new posts on popular topic
Wideband interference at regular intervals? Go to page: 1 2
Chris Russell
Mon Jul 30 2007, 07:45PM		 10 3387 Dave Marshall
Fri Aug 03 2007, 03:29AM
No new posts on popular topic
What is the most powerful DVD laser Go to page: 1 2 3
Danielle
Fri Jul 20 2007, 05:18PM		 29 5624 Capper
Wed Aug 01 2007, 11:40AM
No new posts on popular topic
Laser Pen that writes into plastic! [Video] Go to page: 1 2 3
Madgyver
Fri Jun 15 2007, 10:26AM		 21 6787 c4r0
Sat Jul 28 2007, 09:49PM
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Beacon Reception -- Any Interest? Go to page: 1 2 3 5 6 7
Chris Russell
Thu Nov 23 2006, 05:15AM		 67 11213 ShawnLG
Wed Jul 25 2007, 11:23PM
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Alexanderson Day
Steve Conner
Sat Jun 30 2007, 10:43PM		 8 2695 Chris Russell
Fri Jul 20 2007, 05:21PM
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Natural EMP?!
EEYORE
Sat Jun 30 2007, 02:05AM		 9 3337 kv
Sun Jul 01 2007, 06:19AM
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Magnetron- 4J50
King_of_Junk
Fri May 04 2007, 02:02AM		 9 3839 Steve Conner
Sun Jun 24 2007, 08:11AM
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Witricity
Jasonr
Fri Jun 08 2007, 03:43PM		 2 2131 Chris Russell
Tue Jun 12 2007, 03:12PM
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Antenna Theory: Twisting the antennas of a Transceiver together
deef
Fri Jun 01 2007, 04:33AM		 5 2143 deef
Sat Jun 02 2007, 11:58PM
No unread posts
Magnetron Weedkiller
thedatastream
Fri May 25 2007, 07:55PM		 2 2124 Adrian
Sat May 26 2007, 10:35AM
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