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Controlled carrier and audio mod for the Heathkit DX-40
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n1uvi
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0
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9717
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January 26, 2012, 02:54:35 PM
by n1uvi
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Valiant Modifications by WA1HLR
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Steve - K4HX
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0
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6380
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December 19, 2011, 07:38:41 PM
by Steve - K4HX
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Possible 10% increase in efficiency in class C tube output stage (easy)
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IN3IEX
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9
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15199
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December 17, 2011, 12:40:43 PM
by W2PFY
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The KE1GF Complete 1Watt Carrier 75M Solid State TX.
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KE1GF
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13
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47994
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October 07, 2011, 11:28:43 PM
by w3jn
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Simple Method for Pi-Networks for a Range of Output Impedances
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IN3IEX
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0
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5866
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October 04, 2011, 05:20:51 AM
by IN3IEX
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Design of Impedance matching networks (howto) for transmitters.
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IN3IEX
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0
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5156
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October 03, 2011, 07:57:02 AM
by IN3IEX
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Audio Mods for the HT-37
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Steve - WB3HUZ
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2
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17202
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September 11, 2011, 12:48:51 AM
by w3jn
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Design Criteria: Transmitter High Voltage Solid State Rectifiers
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Steve - K4HX
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0
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7249
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December 23, 2010, 07:53:35 PM
by Steve - K4HX
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National MB-40SL Multi-Band Tank Manual
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Steve - WB3HUZ
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0
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7260
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September 23, 2010, 11:16:16 PM
by Steve - WB3HUZ
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Heathkit Parts
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WA1HZK
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0
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14489
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January 09, 2010, 10:14:57 AM
by WA1HZK
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Heathkit DX-60 WC3K MODS
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n8yhy
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4
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29405
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December 21, 2009, 06:50:55 AM
by KX5JT
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Loading an amplifier (transmitter)
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KX5JT
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14
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24594
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June 19, 2009, 01:08:04 AM
by ke7trp
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Stupid ART-13 Tricks
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WU2D
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12
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30892
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June 09, 2009, 04:53:50 AM
by k4kyv
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Heathkit DX60 overmodulation prevention mod
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K4TLJ
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0
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9633
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February 04, 2009, 07:50:38 PM
by K4TLJ
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833's X 833's
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WA1HZK
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0
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9924
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September 09, 2008, 08:33:59 PM
by WA1HZK
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Valiant & Ranger Mods
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WA1HZK
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0
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7132
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September 09, 2008, 08:32:54 PM
by WA1HZK
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Early Homebrew transmitters
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W4RON
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4
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13291
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August 18, 2008, 10:08:49 PM
by Carl WA1KPD
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6T9 Complete
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Carl WA1KPD
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2
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16396
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June 05, 2008, 07:25:31 PM
by K1ZJH
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Series Modulated 807 Transmitter
« 1 2 »
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Steve - WB3HUZ
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25
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57241
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May 18, 2008, 08:42:07 PM
by Opcom
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Comparison of new 3-500Z triodes
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John K5PRO
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5
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25811
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January 11, 2008, 11:06:08 PM
by Opcom
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AM BC station categories
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WA3VJB
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9
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24896
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November 26, 2007, 08:54:01 AM
by flintstone mop
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DX-100 With Afterburner mods
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WA1HZK
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8
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21024
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July 07, 2007, 11:32:45 AM
by W1GFH
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RCA BTA 1R1 Audio Issues
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Bob McGraw
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0
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7884
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October 14, 2006, 09:20:37 PM
by Bob McGraw
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Johnson Invader 2000 Mods and Upgrades by Frank, KB3AHE
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Steve - WB3HUZ
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12
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24507
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October 17, 2005, 06:48:23 PM
by Vortex Joe - N3IBX
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The KE1GF Integral (160-80-40) Driver, 2FET SEPP Class-E PA
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KE1GF
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6
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17428
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September 28, 2005, 09:29:53 AM
by WA1GFZ
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