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How to Use a 120V Variac with 240V - Neat Trick
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K1JJ
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5
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11015
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February 11, 2009, 12:38:23 PM
by K1JJ
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Question: HV Ratings for Heising cap, plate blocker, tuning and bypass?
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K1JJ
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14
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10521
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December 07, 2005, 05:09:03 PM
by WA1GFZ
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Questions on mod transformer ratio and Heising reactors
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K1JJ
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9
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7057
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November 13, 2005, 05:07:28 PM
by W2VW
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Question: Why are IC pins always splayed - need bending?
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K1JJ
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6
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5678
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January 14, 2009, 10:35:02 AM
by Todd, KA1KAQ
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Question about Amplifier Tube Cooling
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K1JJ
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53
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37112
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March 28, 2005, 08:35:15 AM
by WD8BIL
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Question regarding antenna bandwidth for coax vs: open wire line
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K1JJ
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156
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38055
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August 20, 2022, 05:22:19 PM
by K1JJ
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A Touch of "Articulation" Highs Echo
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K1JJ
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13
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3632
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March 25, 2020, 10:25:24 PM
by K1JJ
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Question about cable stretch
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K1JJ
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6
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3381
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April 08, 2009, 10:31:29 PM
by k4kyv
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Current sensing overload shutdown for tube transmitters - Hall effect
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K1JJ
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27
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12406
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May 28, 2013, 02:41:42 PM
by K1JJ
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Digital (DDS) VFO kit - need 5 watt buffer amp
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K1JJ
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51
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38830
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October 13, 2019, 02:22:07 AM
by WA7DUY
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Exciter Suggestions?
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K1JJ
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11
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5858
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October 21, 2013, 12:01:39 PM
by K6IC
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E-Z Coax Power Dividers for Two/ Four Antennas - PRINT OUT -
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K1JJ
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2
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5801
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March 10, 2005, 09:59:26 PM
by K1JJ
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One 11N90 or IRFP260N MOSFET mobile amp?
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K1JJ
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3
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3405
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June 12, 2013, 11:03:44 PM
by K1JJ
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Bandswitching - Shorting the tank coil vs: open tapping
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K1JJ
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3
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3413
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November 27, 2005, 08:29:58 PM
by WA1GFZ
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QEX Magazine Features New Article written by AMer - Read It Here!
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K1JJ
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18
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9887
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October 31, 2005, 12:29:42 PM
by WA1GFZ
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The 6M-160M HPSDR Transceiver Project Begins
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K1JJ
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304
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225542
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February 22, 2011, 11:42:44 AM
by WA1GFZ
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ESD Prevention Equipment ?
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K1JJ
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36
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13574
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January 16, 2011, 01:03:35 PM
by WA1GFZ
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Throttling down 4X1 tube filament power in standby?
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K1JJ
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18
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10118
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May 10, 2013, 08:21:26 AM
by W2VW
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DBX 263A De-esser - Any opinions or tips on performance?
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K1JJ
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24
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17056
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March 15, 2013, 10:24:04 PM
by N2DTS
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Homebrew 4-1000A plate modulated by a pair - Questions
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K1JJ
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60
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38224
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November 21, 2009, 04:37:31 PM
by KC2IFR
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Using diodes across relays - a reminder
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K1JJ
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11
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7082
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February 04, 2013, 04:42:41 PM
by W1RKW
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How to Refill Your Printer Ink Cartidges for < $3 Each!
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K1JJ
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8
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7961
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May 30, 2005, 06:27:16 PM
by k4kyv
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The Belcher - Working pulse unit for Linear Amp Tune-Up - Pictures
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K1JJ
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11
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8845
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January 08, 2010, 10:01:53 PM
by w4bfs
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Using a cathode Zenor instead fixed grid supply for class C protective bias?
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K1JJ
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11
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7443
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November 27, 2005, 11:48:16 PM
by K1JJ
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75M Local Dipole Optimization - real whirl tests
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K1JJ
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11
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8665
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May 06, 2013, 09:37:15 PM
by K5IIA
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