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April 19, 2024, 12:52:15 AM
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0 Members and 3 Guests are viewing this board.
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UTC xfmr data
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wa6fmz
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1
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31404
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May 14, 2016, 07:09:37 PM
by w4bfs
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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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7471
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March 25, 2016, 08:52:58 PM
by w3jn
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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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4531
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March 25, 2016, 06:35:52 PM
by w3jn
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Repair of early shortwave receivers
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WA2SQQ
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0
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13941
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January 25, 2016, 02:30:45 PM
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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11279
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December 24, 2015, 04:13:22 PM
by WA4WAX
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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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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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4103
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December 21, 2015, 12:02:06 AM
by Steve - K4HX
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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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4615
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December 10, 2015, 10:01:39 PM
by Steve - K4HX
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Heathkit & other manusl
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WA2SQQ
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0
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6285
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October 16, 2015, 10:52:23 AM
by WA2SQQ
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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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NAVSHIPS 900,109 Navy Type Number Book - September 1945 online
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Opcom
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0
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5025
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July 30, 2015, 06:19:42 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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31847
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February 18, 2015, 12:54:28 AM
by Opcom
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Field Antenna Handbook
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Opcom
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0
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5541
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February 10, 2015, 12:24:45 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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8215
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February 04, 2015, 07:10:34 AM
by W1RC
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easy-to-build Ham Radio Projects
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Opcom
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0
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5855
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February 02, 2015, 06:59:03 PM
by Opcom
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Peter Dahl older catalogs
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Opcom
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1
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9918
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January 09, 2015, 04:39:14 AM
by Opcom
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Tube Fundamentals
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W3GMS
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1
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4857
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January 07, 2015, 07:13:29 PM
by n2bc
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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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1956 Crystal Design Handbook on Web
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Tom WA3KLR
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2
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10356
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December 09, 2014, 09:17:24 PM
by Tom WA3KLR
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Hi-Fi was almost doomed... thank goodness for Mr. Olson
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KX5JT
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1
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7334
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November 10, 2014, 08:50:26 AM
by KL7OF
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T-368 PARTS MANUAL
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k5ygc
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0
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4227
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November 03, 2014, 12:59:41 PM
by k5ygc
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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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16116
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March 06, 2014, 08:57:56 AM
by W1RC
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Free Download "THE RESTORATION OF VALVED HIGH FREQUENCY COMMUNICATIONS RECEIVERS
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NE3U
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2
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6122
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March 04, 2014, 07:29:53 AM
by W3GMS
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B&W Coil Data
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Steve - K4HX
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0
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7667
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January 29, 2014, 11:52:04 AM
by Steve - K4HX
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B&W Buttefly Cap Data
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Steve - K4HX
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0
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3862
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January 29, 2014, 11:47:56 AM
by Steve - K4HX
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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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