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Forums
4hv.org :: Forums :: Electromagnetic Radiation
4hv.org :: Forums :: Electromagnetic Radiation
Electromagnetic Radiation Forum
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IR Laser ZnSe vs KBr optics
Carbon_Rod
Sat Aug 14 2010, 07:03AM		 5 1825 Carbon_Rod
Tue Aug 17 2010, 06:53AM
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Casio wheel test
Conundrum
Tue Aug 03 2010, 07:21PM		 7 1472 IntraWinding
Mon Aug 09 2010, 11:27PM
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Mobile Radio Microphone Hack
Hon1nbo
Sun Aug 08 2010, 05:06PM		 2 1213 Dave Marshall
Sun Aug 08 2010, 11:05PM
No unread posts
TEA nitrogen laser
G^3
Sun Aug 08 2010, 09:17PM		 2 1211 Adam Munich
Sun Aug 08 2010, 10:19PM
No unread posts
QuickSmith (not of doom)
radiotech
Thu Aug 05 2010, 05:41AM		 1 915 radiotech
Thu Aug 05 2010, 05:41AM
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Bizarre Electronics Activities due to radios
Hon1nbo
Mon Aug 02 2010, 04:17AM		 8 1530 Hon1nbo
Wed Aug 04 2010, 01:12AM
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NE Technology Farmer Dosemeter 2570/1
Proud Mary
Fri Jul 30 2010, 05:08PM		 1 4974 Proud Mary
Fri Jul 30 2010, 05:08PM
No new posts on popular topic
Old NeHe laser from an old FT-IR spectrofotometer Go to page: 1 2
TheMerovingian
Wed Mar 31 2010, 10:45PM		 13 4250 cedric
Tue Jul 27 2010, 10:06AM
No new posts on popular topic
Cathode and X-ray tubes Go to page: 1 2
tulkas
Tue Jun 01 2010, 08:20AM		 15 2874 cedric
Tue Jul 27 2010, 09:07AM
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Permanent Magnet Making Device
quicksilver
Tue Jun 29 2010, 12:43AM		 8 2089 radiotech
Wed Jul 21 2010, 08:45PM
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I want a new laser
Sulaiman
Mon Jul 19 2010, 06:33PM		 4 1869 UltraMagnus
Tue Jul 20 2010, 06:08AM
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Need help identifying near infrared lab laser
pauleddy
Wed Jul 14 2010, 03:11AM		 7 1182 pauleddy
Mon Jul 19 2010, 10:23PM
No new posts on popular topic
Electrets Go to page: 1 2
IntraWinding
Tue Jun 29 2010, 10:11PM		 13 3020 Adam Munich
Sat Jul 17 2010, 05:45PM
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Flash lamps
Daedronus
Tue Jun 29 2010, 12:24PM		 3 1160 Daedronus
Tue Jun 29 2010, 01:43PM
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ARRL Field Day
Hon1nbo
Fri Jun 25 2010, 06:31PM		 2 1105 Hon1nbo
Sun Jun 27 2010, 07:02PM
No new posts on popular topic
Brightest UV LEDs? Go to page: 1 2
Conundrum
Sun Jun 06 2010, 04:28PM		 12 2450 2Spoons
Fri Jun 25 2010, 04:29AM
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Ultra-short pulse equals big amps?
duke
Thu Jun 17 2010, 04:49AM		 3 1137 Mattski
Thu Jun 17 2010, 06:29AM
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Flat coils
Carbon_Rod
Sun Jun 13 2010, 03:58PM		 4 1280 Mattski
Tue Jun 15 2010, 06:11PM
No unread posts
<Hack> Reuse "old" TV tuners
Conundrum
Fri Jun 11 2010, 10:23PM		 8 5434 radiotech
Sun Jun 13 2010, 09:53PM
No unread posts
Heuristics for propagation
coillah
Thu Jun 10 2010, 01:10AM		 7 1358 radiotech
Fri Jun 11 2010, 03:48PM
No unread posts
Ham-Com Friday and Saturday
Hon1nbo
Thu Jun 10 2010, 04:26PM		 1 711 Hon1nbo
Thu Jun 10 2010, 04:26PM
No unread posts
Ingnition Coil Driver to Power Induction Heater
fatboyslim
Fri May 28 2010, 05:00AM		 4 1502 fatboyslim
Mon Jun 07 2010, 08:24AM
No unread posts
Directing a microwave field on a tuned piece of metal?
803
Sat May 29 2010, 07:58PM		 6 1362 radiotech
Sun May 30 2010, 03:31AM
No new posts on popular topic
Am I getting Baked?? Go to page: 1 2
Sandra
Thu May 13 2010, 12:40AM		 14 2505 radiotech
Fri May 28 2010, 05:57AM
No unread posts
Data transmission using amateur radio
coillah
Tue May 25 2010, 05:08PM		 5 1352 coillah
Wed May 26 2010, 07:08PM
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