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April 27, 2024, 09:22:58 AM
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American Radio History web site
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WA2SQQ
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0
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3740
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January 07, 2015, 08:31:29 AM
by WA2SQQ
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Tube Fundamentals
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W3GMS
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1
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4882
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January 07, 2015, 07:13:29 PM
by n2bc
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Peter Dahl older catalogs
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Opcom
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1
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9945
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January 09, 2015, 04:39:14 AM
by Opcom
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easy-to-build Ham Radio Projects
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Opcom
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0
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5874
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February 02, 2015, 06:59:03 PM
by Opcom
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Review: SHORTWAVE RECEIVERS PAST AND PRESENT, Fourth Edition by Fred Osterman,
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W1RC
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0
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8233
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February 04, 2015, 07:10:34 AM
by W1RC
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Field Antenna Handbook
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Opcom
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0
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5565
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February 10, 2015, 12:24:45 PM
by Opcom
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Quiet turn-on of carbon microphones
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Opcom
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0
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31876
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February 18, 2015, 12:54:28 AM
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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5048
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July 30, 2015, 06:19:42 PM
by Opcom
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Another free ham gear manual site.
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W7TFO
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1
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15496
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August 08, 2015, 03:25:09 PM
by Opcom
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Heathkit & other manusl
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WA2SQQ
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0
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6314
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October 16, 2015, 10:52:23 AM
by WA2SQQ
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The Little Pistol's Guide to HF Propagation
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Steve - K4HX
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0
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4639
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December 10, 2015, 10:01:39 PM
by Steve - K4HX
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Siting Criteria for HF Communications Centers, NBS Tech Note 139
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Steve - K4HX
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0
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4125
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December 21, 2015, 12:02:06 AM
by Steve - K4HX
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73 Magazine - on line and fully searchable!
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WA2SQQ
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0
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5157
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December 22, 2015, 08:58:59 AM
by WA2SQQ
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Heising Modulation Article from April 1961
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WA4WAX
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0
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11303
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December 24, 2015, 04:13:22 PM
by WA4WAX
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Repair of early shortwave receivers
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WA2SQQ
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0
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13963
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January 25, 2016, 02:30:45 PM
by WA2SQQ
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Huge collection of online databooks - semis, tubes, app guides, etc
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w3jn
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0
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4554
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March 25, 2016, 06:35:52 PM
by w3jn
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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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7502
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March 25, 2016, 08:52:58 PM
by w3jn
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UTC xfmr data
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wa6fmz
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1
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31445
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May 14, 2016, 07:09:37 PM
by w4bfs
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Class B Audio and RF Amps 1936 Loy Barton RCA paper
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John K5PRO
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5
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19526
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January 31, 2017, 12:50:43 PM
by K4TQF
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Hp app note 37, measuring AM with a scope
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John K5PRO
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0
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4437
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March 31, 2017, 08:05:11 PM
by John K5PRO
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V. O. Stokes Radio Transmitters
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KD6VXI
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2
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6598
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April 04, 2017, 12:38:09 AM
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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4701
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April 27, 2017, 07:40:50 AM
by kc2we
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Solid State Rectifiers
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kc2we
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1
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6122
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April 28, 2017, 01:41:09 AM
by Opcom
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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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12968
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May 27, 2017, 12:46:35 AM
by Opcom
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19 new manuals uploaded
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Opcom
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4
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18256
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December 14, 2017, 09:40:55 AM
by Opcom
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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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