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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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9535
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January 17, 2011, 02:04:00 PM
by Steve - K4HX
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Hammarlund Short Wave Manual 1938
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Detroit47
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6
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13475
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August 22, 2010, 12:29:57 AM
by Steve - WB3HUZ
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Solid State Design for the Radio Amateur
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Ian VK3KRI
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0
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7827
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August 30, 2007, 10:17:10 PM
by Ian VK3KRI
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UTC Series CG Terminal Arrangements
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Jim/WA2MER
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2
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4188
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December 16, 2019, 09:24:22 PM
by Opcom
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Excerpt of 1958 Gates Radio catalog, HF transmitters
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John K5PRO
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2
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7938
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October 12, 2009, 10:51:48 AM
by K9PNP
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Grid Current in Class B Modulators - 1953 Collins Radio paper
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John K5PRO
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0
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3651
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December 15, 2012, 02:03:09 AM
by John K5PRO
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High Fidelity AM Broadcasting - Edmund LaPort 1934
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John K5PRO
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0
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3459
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December 15, 2012, 02:09:45 AM
by John K5PRO
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Transformer Coupled Modulator - Westinghouse 1933
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John K5PRO
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0
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3607
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December 15, 2012, 02:12:48 AM
by John K5PRO
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Impact of Receiving Tube Development on Radio and TV 1962
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John K5PRO
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3388
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December 15, 2012, 02:14:34 AM
by John K5PRO
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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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19392
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January 31, 2017, 12:50:43 PM
by K4TQF
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High Audio Power from Small Tubes Class B - Loy Barton RCA 1931
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John K5PRO
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0
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3822
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December 15, 2012, 02:19:11 AM
by John K5PRO
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Hp app note 37, measuring AM with a scope
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John K5PRO
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4363
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March 31, 2017, 08:05:11 PM
by John K5PRO
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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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19906
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April 25, 2011, 09:06:45 PM
by Opcom
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Variations in paper quality of old publications.
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k4kyv
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7
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14215
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September 22, 2007, 08:03:44 PM
by Pete, WA2CWA
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The Science of Radio / Paul J. Hahin
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K5UJ
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0
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6090
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May 29, 2009, 07:44:48 PM
by K5UJ
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Collins 75A-3 Instruction Book (manual) pdf for download
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K5UJ
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0
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6385
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June 23, 2009, 11:54:41 AM
by K5UJ
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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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11347
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July 02, 2009, 04:15:53 PM
by K5UJ
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Download: Complete Thordarson Catalog 400CX 1939
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K5UJ
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4
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12761
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July 25, 2009, 09:14:57 AM
by K5UJ
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Download: Jefferson Transformers and Chokes Catalog 391-R, 1939
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K5UJ
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0
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5119
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July 21, 2009, 06:37:21 PM
by K5UJ
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Download: Two Thordarson Flyers from 1939. Transmitter and Speech Amplifier.
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K5UJ
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2
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9348
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August 15, 2009, 03:44:50 PM
by K5UJ
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WRL 755 Manual
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K5UJ
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0
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9896
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October 28, 2009, 12:04:14 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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19818
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April 02, 2010, 10:20:05 PM
by K5UJ
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W2UOL's Eldico TR-1 transmitter schematic 1949
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K5UJ
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9
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19291
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July 26, 2010, 09:51:32 PM
by K5UJ
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Hallicrafters HT-20 operating manual pdf
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K5UJ
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2
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11487
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January 12, 2011, 07:15:35 AM
by K5UJ
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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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11353
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March 05, 2011, 12:01:13 PM
by K5UJ
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