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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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9588
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January 17, 2011, 02:04:00 PM
by Steve - K4HX
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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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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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Single Sideband: theory and practice
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k7mdo
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3
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28716
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February 10, 2018, 05:23:49 AM
by k7mdo
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Triplett VU Meters Data Sheet
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kc2we
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0
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23214
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July 14, 2022, 10:05:53 AM
by kc2we
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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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19965
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April 25, 2011, 09:06:45 PM
by Opcom
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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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19886
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April 02, 2010, 10:20:05 PM
by K5UJ
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Radio Handbook and Radiotron Designers Handbook
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W2INR
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7
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19594
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April 15, 2011, 11:41:33 AM
by KA2QFX
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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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W2UOL's Eldico TR-1 transmitter schematic 1949
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K5UJ
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9
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19408
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July 26, 2010, 09:51:32 PM
by K5UJ
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Old Technical Publications for Download
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WA1HZK
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0
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18808
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December 27, 2009, 12:22:35 PM
by WA1HZK
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Amateur Radio Archive
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vincent
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0
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18280
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March 05, 2012, 03:15:19 AM
by vincent
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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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Resource For Transformer & Other Radio Data
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w1vtp
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0
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18014
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September 07, 2010, 01:54:48 PM
by w1vtp
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Huge Collection of GE Ham News Now On-line
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Steve - WB3HUZ
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12
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17455
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May 10, 2010, 05:04:12 PM
by Ralph W3GL
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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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17281
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March 14, 2009, 12:13:25 PM
by Todd, KA1KAQ
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US Callbook Magazine 1930-1990 Selected Years OnlineArchive
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W1RC
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6
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17209
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May 09, 2019, 12:59:12 PM
by W2PFY
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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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16813
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December 28, 2008, 03:47:09 PM
by ka3zlr
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Treasure Trove of WW-II MIL Radio Schematics and Conversion Data
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W1RC
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0
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16161
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March 06, 2014, 08:57:56 AM
by W1RC
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CQ Magazine Archives
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vincent
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6
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15767
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May 15, 2012, 03:02:58 AM
by vincent
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Another free ham gear manual site.
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W7TFO
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1
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15497
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August 08, 2015, 03:25:09 PM
by Opcom
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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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15050
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August 26, 2012, 03:30:05 PM
by Opcom
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Reflections I and II - Walter Maxwell W2DU
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W1UJR
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2
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14998
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September 01, 2007, 12:14:43 PM
by Bacon, WA3WDR
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Clarostat L - T Pad data sheet
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kc2we
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1
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14442
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September 27, 2021, 09:01:28 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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14312
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September 22, 2007, 08:03:44 PM
by Pete, WA2CWA
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Topic you have posted in
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