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May 03, 2024, 05:35:32 PM
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Radio Handbook and Radiotron Designers Handbook
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W2INR
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7
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19609
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April 15, 2011, 11:41:33 AM
by KA2QFX
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RADAR, Lincoln Laboratory's Widgets and Wonders
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WA1HZK
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0
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5652
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March 22, 2010, 04:28:23 PM
by WA1HZK
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Quiet turn-on of carbon microphones
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Opcom
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0
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31879
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February 18, 2015, 12:54:28 AM
by Opcom
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QST, CQ, 73, Ham Radio Magazines: What Issues Do You Need?
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Todd, KA1KAQ
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6
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17292
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March 14, 2009, 12:13:25 PM
by Todd, KA1KAQ
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potter&brumfield relay specs (21 files), oscilloscope manuals (4) posted
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Opcom
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0
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12983
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May 27, 2017, 12:46:35 AM
by Opcom
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Philo T. Farnsworth - Inventor of Electronic Television
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W9GT
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1
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7030
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September 05, 2007, 04:01:19 PM
by Tom WA3KLR
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Peter Dahl older catalogs
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Opcom
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1
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9949
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January 09, 2015, 04:39:14 AM
by Opcom
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Peerless Transformers Small JPG
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N4DKD
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0
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5254
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July 15, 2010, 11:23:07 AM
by N4DKD
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Peerless Electrical Transformer Specs
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N4DKD
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0
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4725
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July 15, 2010, 11:10:11 AM
by N4DKD
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PDF: Instruction Book (manual) Model 150-B. Meissner Manufacturing Co.
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K5UJ
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0
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11406
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March 05, 2011, 12:01:13 PM
by K5UJ
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PDF Johnson Viking Ranger operating manual download (Ranger 1)
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K5UJ
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0
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19896
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April 02, 2010, 10:20:05 PM
by K5UJ
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Online HP/Agilent manuals, app guides, etc
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w3jn
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0
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7509
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March 25, 2016, 08:52:58 PM
by w3jn
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Old Technical Publications for Download
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WA1HZK
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0
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18810
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December 27, 2009, 12:22:35 PM
by WA1HZK
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Old Radio Manuals & Schematics
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WA1HZK
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2
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11986
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April 21, 2006, 06:31:10 AM
by ka6vec
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Old Kenyon catalogs from 1935 and 1936
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Opcom
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5
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15069
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August 26, 2012, 03:30:05 PM
by Opcom
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Old Hammarlund and EF Johnson Catalogs
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w5kcm
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3
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13140
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September 13, 2007, 09:59:52 PM
by w5kcm
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New books and manuals and articles online
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Opcom
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0
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4996
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December 02, 2008, 08:32:11 PM
by Opcom
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NAVSHIPS 900,109 Navy Type Number Book - September 1945 online
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Opcom
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0
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5055
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July 30, 2015, 06:19:42 PM
by Opcom
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National XR-50 Coil Data
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kc2we
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0
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4716
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April 27, 2017, 07:40:50 AM
by kc2we
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National NC-300 Field Service notes
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K5UJ
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0
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6709
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July 02, 2012, 05:25:26 PM
by K5UJ
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many data sheets for Meissner, Miller, etc.
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Opcom
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0
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1602
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July 10, 2022, 11:12:21 PM
by Opcom
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manuals: military AM sets, 100W, 200-400MHz, plate modulated 4X150's @ 950VDC
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Opcom
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2
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7530
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December 24, 2011, 09:11:09 AM
by WQ9E
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LM Navy Frequency Meter 12 to 6 volt filament mod info from 1946
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kc2we
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0
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4160
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May 02, 2022, 07:34:32 PM
by kc2we
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KO4BB manual repository
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w1vtp
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0
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8921
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March 18, 2013, 01:09:25 PM
by w1vtp
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K9YA Telegraph
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N9BOR
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0
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5877
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October 07, 2007, 12:16:12 PM
by N9BOR
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Topic you have posted in
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AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
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