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Forums
4hv.org :: Forums :: Electromagnetic Radiation
4hv.org :: Forums :: Electromagnetic Radiation
Electromagnetic Radiation Forum
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x-rays from dy802
borri317
Thu Sept 11 2008, 08:12AM		 8 2624 Proud Mary
Mon Sept 15 2008, 06:01PM
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Vacuum Tube Hunt Go to page: 1 2
Dragon64
Wed Aug 06 2008, 02:39AM		 13 2937 Steven Busic
Sat Sept 13 2008, 01:24AM
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Muscle Soreness?
guitardude012
Sun Sept 07 2008, 06:45AM		 4 1450 guitardude012
Sun Sept 07 2008, 09:39PM
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SBM 21 geiger tube datasheet
invader
Tue Jul 22 2008, 05:54PM		 6 2958 invader
Mon Sept 01 2008, 11:35AM
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Old school radio jammer Go to page: 1 2
Nallsak
Thu Aug 28 2008, 02:26PM		 14 7260 Seoul_lasers
Sat Aug 30 2008, 09:13AM
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high power UV emitter - possible uses Go to page: 1 2
Colin 99
Fri Nov 24 2006, 11:17PM		 15 4676 Seoul_lasers
Tue Aug 26 2008, 07:27AM
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radio venting (if mod gods allow)
Hon1nbo
Thu Jul 31 2008, 03:38AM		 1 1010 Hon1nbo
Thu Jul 31 2008, 03:38AM
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repeater usage
Hon1nbo
Wed Jul 16 2008, 04:02PM		 5 1413 Hon1nbo
Thu Jul 17 2008, 03:06AM
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Zeiss confocal laser module , open!
Mates
Wed Jun 11 2008, 03:02PM		 8 1802 Bjørn
Tue Jul 01 2008, 05:28PM
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CW to the left of me, RTTY to the right...
Chris Russell
Sat Jun 28 2008, 08:38PM		 1 946 Chris Russell
Sat Jun 28 2008, 08:38PM
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Mystery C mount laser
EEYORE
Mon Jun 02 2008, 06:00PM		 4 1666 EEYORE
Sun Jun 08 2008, 10:15PM
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Broken x-ray head - how to repair it
c4r0
Sun May 04 2008, 08:59PM		 3 2897 c4r0
Mon May 05 2008, 07:19PM
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CD-RW Laser diode usage Go to page: 1 2
uzzors2k
Sat Mar 22 2008, 11:21AM		 13 7639 lpfthings
Sat Apr 12 2008, 11:17AM
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Pound World "PIR" sensors??!!!
Conundrum
Thu Feb 07 2008, 09:12AM		 6 1792 Conundrum
Wed Mar 26 2008, 08:02PM
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"Spin-tenna" ?!
Conundrum
Mon Mar 24 2008, 03:37PM		 7 1785 Conundrum
Wed Mar 26 2008, 07:55AM
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CO2 laser Go to page: 1 2 3
Shaun
Fri Feb 15 2008, 02:43AM		 20 4132 Carbon_Rod
Mon Mar 24 2008, 10:01PM
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Railroad tracks on 4mhz.
ShawnLG
Thu Aug 16 2007, 04:25AM		 6 2132 asabase
Thu Feb 28 2008, 01:22AM
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Homebrew Crystal radio Go to page: 1 2
Nik
Sun Oct 07 2007, 06:42PM		 10 3739 Weston
Tue Feb 26 2008, 08:08PM
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Homebrew rTMS
nak
Tue Feb 26 2008, 06:30AM		 3 1598 Bjørn
Tue Feb 26 2008, 12:10PM
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Compact Mains G-M Tube HT PSU Module
Proud Mary
Sat Feb 23 2008, 11:24PM		 1 1174 Proud Mary
Sat Feb 23 2008, 11:24PM
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Mystery beacons "WLO" and "NMN" on 4.194mhz Go to page: 1 2
ShawnLG
Sat Jul 28 2007, 02:23PM		 10 4373 Proud Mary
Sat Feb 23 2008, 12:48PM
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G-M Tube CV2886
Proud Mary
Wed Feb 13 2008, 10:09PM		 5 2080 Proud Mary
Thu Feb 14 2008, 01:53AM
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X-ray :D Go to page: 1 2
Linas
Sat Dec 22 2007, 09:16PM		 18 5305 Proud Mary
Sat Feb 09 2008, 05:00PM
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CQ DX in 1972
Dr. Drone
Fri Mar 23 2007, 01:51AM		 5 2118 Capper
Thu Feb 07 2008, 05:27PM
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garndening+ electronic
jameselectric
Wed Jan 23 2008, 10:28PM		 4 1636 Shaun
Tue Jan 29 2008, 11:37AM
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