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April 19, 2024, 10:39:23 AM
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How to Use This Section - Read Before Posting
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Steve - K4HX
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0
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9556
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January 17, 2011, 02:04:00 PM
by Steve - K4HX
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"Applications of Visual-Indicator Type Tubes" 15 pages on the 'new' Eye Tube
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Opcom
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0
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1970
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July 28, 2021, 11:07:08 PM
by Opcom
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19 new manuals uploaded
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Opcom
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4
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18189
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December 14, 2017, 09:40:55 AM
by Opcom
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1956 Crystal Design Handbook on Web
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Tom WA3KLR
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2
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10357
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December 09, 2014, 09:17:24 PM
by Tom WA3KLR
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50 Years of Amateur Radio Innovation
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Pete, WA2CWA
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5
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16774
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December 28, 2008, 03:47:09 PM
by ka3zlr
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50's Eimac data posted
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Opcom
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0
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4614
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February 18, 2010, 12:42:40 AM
by Opcom
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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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5140
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December 22, 2015, 08:58:59 AM
by WA2SQQ
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A neat book/CD collection for we hamburgers
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K1DEU
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1
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19937
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April 25, 2011, 09:06:45 PM
by Opcom
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all the radio shack catalogs on line back to '39
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Opcom
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0
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5939
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February 06, 2011, 11:08:10 AM
by Opcom
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Amateur Radio Archive
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vincent
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0
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18261
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March 05, 2012, 03:15:19 AM
by vincent
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American Radio History web site
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WA2SQQ
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0
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4146
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January 19, 2012, 07:59:38 PM
by WA2SQQ
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American Radio History web site
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WA2SQQ
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0
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3718
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January 07, 2015, 08:31:29 AM
by WA2SQQ
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another book of amplifier schematics online
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Opcom
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0
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5484
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December 04, 2008, 09:10:26 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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15470
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August 08, 2015, 03:25:09 PM
by Opcom
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Antique Wireless Association Old Timers Bulletin (AWA OTB)
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Todd, KA1KAQ
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4
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11646
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August 30, 2007, 01:22:32 PM
by Todd, KA1KAQ
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B&W Buttefly Cap Data
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Steve - K4HX
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0
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3863
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January 29, 2014, 11:47:56 AM
by Steve - K4HX
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B&W Coil Data
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Steve - K4HX
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0
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7668
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January 29, 2014, 11:52:04 AM
by Steve - K4HX
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Broadcast Equpment documents, and more
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W9RAN
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3
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8523
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February 04, 2009, 08:12:58 PM
by Opcom
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bunch of books on scopes and some small test gear you can make.
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Opcom
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0
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7178
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January 10, 2019, 04:33:21 PM
by Opcom
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CDE HAM-M (series 1, 2, 3, 4, 5) antenna rotators manual posted online
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Opcom
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0
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11629
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April 25, 2010, 11:51:35 PM
by Opcom
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Clarostat L - T Pad data sheet
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kc2we
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1
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14391
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September 27, 2021, 09:01:28 PM
by Opcom
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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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19466
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January 31, 2017, 12:50:43 PM
by K4TQF
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Collins 75A-3 Instruction Book (manual) pdf for download
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K5UJ
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6406
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June 23, 2009, 11:54:41 AM
by K5UJ
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Communications Receivers
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Steve - WB3HUZ
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3
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13342
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October 14, 2007, 12:49:08 PM
by WA1GFZ
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Complete clean scan of paper by A. Doty Jr. on buried radials v. elevated
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K5UJ
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5
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11389
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July 02, 2009, 04:15:53 PM
by K5UJ
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Topic you have posted in
Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)
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Locked Topic
Sticky Topic
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AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
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