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One reason for so much noise on HF...
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W7TFO
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0
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2159
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April 24, 2012, 01:39:08 AM
by W7TFO
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Triode life question
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W7TFO
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7
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4278
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March 31, 2011, 04:52:42 PM
by W9GT
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A little market research...
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W7TFO
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15
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7229
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February 19, 2012, 08:29:40 PM
by Opcom
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Does anyone have the dope on old Carter Genemotors?
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W7TFO
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10
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5036
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October 09, 2011, 09:23:09 PM
by W7TFO
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I've started on the '36 Hammy SP-10 project
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W7TFO
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2
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1855
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August 05, 2011, 03:26:13 AM
by KA2DZT
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Supressor modulation question
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W7TFO
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5
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3364
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December 01, 2013, 08:37:21 PM
by W7TFO
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Receiver multicoupler for HF
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W7TFO
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15
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16677
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November 12, 2009, 10:24:55 PM
by WU2D
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75 Ohm coax to 100 Ohm balanced receive balun
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W7TFO
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5
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2508
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June 09, 2021, 12:07:54 AM
by Opcom
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B&W 5100
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W7VM
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3
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4188
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November 25, 2009, 04:38:50 PM
by KD6VXI
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1625 Class B Modulator Schematic DX-100 Modification
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W7XXX
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10
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10665
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January 05, 2009, 02:34:29 PM
by W3RSW
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Negative Peak Limiting Circuit Single diode
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W7XXX
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38
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21073
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December 10, 2007, 10:35:20 PM
by WU2D
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Advice for final tank circuit
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W8ACR
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64
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38558
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January 16, 2010, 05:52:57 PM
by Gito
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GK 400 modulator schematic
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W8ACR
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1
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2400
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June 20, 2017, 06:28:02 PM
by WN9D
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Modulation reactor circuit
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W8ACR
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21
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12471
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November 09, 2010, 01:51:46 AM
by W8ACR
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New home-brew 40 meter RF deck
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W8ACR
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78
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37766
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March 25, 2018, 12:30:43 AM
by W8ACR
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Eimac 250T
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W8ACR
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1
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1478
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December 04, 2019, 04:07:42 PM
by ae7db
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I need help with receiver restoration
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W8ACR
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7
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3056
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April 26, 2022, 12:17:44 AM
by W8ACR
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LF Parasitic oscillation?
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W8ACR
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20
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7760
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August 05, 2011, 02:54:03 PM
by W8ACR
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Eimac 254W
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W8ACR
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11
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11188
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January 05, 2010, 08:23:53 PM
by W8ACR
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One last R390A issue
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W8ACR
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6
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3159
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March 05, 2020, 10:25:11 AM
by WD8KDG
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Pi network RF current
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W8ACR
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7
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3930
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March 21, 2013, 05:06:35 AM
by KA2DZT
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Mod transformer question
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W8ACR
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3
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2225
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June 10, 2012, 11:17:00 PM
by k4kyv
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How to reduce filament voltage
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W8ACR
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26
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15123
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May 29, 2012, 01:28:02 PM
by W7TFO
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Mystery meter
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W8ACR
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8
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2766
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January 28, 2020, 10:59:10 PM
by W8ACR
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homebrew amp schematic
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W8ACR
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32
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29013
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May 16, 2010, 02:03:57 PM
by WD5JKO
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