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Push pull HF amplifier using UHF bipolar devices
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W4AMV
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23
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16370
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July 29, 2013, 05:25:29 PM
by W4AMV
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Screwdriver antenna,miracle or what?
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RolandSWL
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32
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16373
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March 08, 2017, 09:04:55 AM
by KD6VXI
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Hammond 2220 Modulation Iron
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N4LTA
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41
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16392
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March 10, 2012, 04:15:38 PM
by N4LTA
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Question on "Going to Ground" aka throw the coax out the window !!
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K4IMZ
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33
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16416
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September 30, 2010, 09:10:43 AM
by W3SLK
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How Much Negative Feedback Do You Use
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WA1QHQ
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27
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16426
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March 20, 2008, 01:30:16 PM
by ka3zlr
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Collins 30L1 tuning
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W2DHB
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16
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16432
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May 25, 2012, 05:37:29 PM
by W2DHB
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4-1000 RF deck. What do you guys think?
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ke7trp
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27
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16440
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June 26, 2012, 11:12:23 PM
by Opcom
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Question on antenna power dividers
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K1JJ
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36
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16448
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May 01, 2009, 06:57:42 PM
by Gito
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240VAC + ISO Tranny + GROUND?? NEC vs. ??
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WBear2GCR
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36
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16493
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March 12, 2010, 10:16:29 AM
by WBear2GCR
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Anyone done the factory SP600 Nuvistor upgrade? 6DS4
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ke7trp
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25
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16502
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January 31, 2010, 09:59:56 AM
by ke7trp
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Johnson Courier
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sndtubes
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29
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16513
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February 12, 2010, 08:46:05 PM
by Pete, WA2CWA
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Paraphase Inverter driving modulator grids
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Ed/KB1HYS
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25
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16543
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November 17, 2008, 09:37:21 AM
by WBear2GCR
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The NRSC filter and Ham radio
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KA3EKH
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27
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16557
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March 05, 2011, 09:16:19 PM
by WA3VJB
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Mic for use with 32v2
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WG9P
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33
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16566
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July 06, 2012, 12:05:31 AM
by Todd, KA1KAQ
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finding the right tube
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kb3ouk
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31
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16566
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November 20, 2011, 12:07:06 AM
by kb3rdt
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What are you using for 40/80/160 antenna?
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AB3FL
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36
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16580
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April 07, 2010, 10:18:16 AM
by W3RSW
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Viking II question - triode connecting the 807s
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steve_qix
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31
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16595
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October 01, 2010, 08:21:27 AM
by Steve - WB3HUZ
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antenna height.....
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KC2IFR
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33
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16606
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December 05, 2009, 09:16:05 AM
by flintstone mop
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455KHZ CB - AM Filter??
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Carl WA1KPD
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13
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16628
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November 23, 2007, 11:14:23 AM
by WBear2GCR
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melting coils...
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N2DTS
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36
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16637
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March 16, 2009, 12:29:01 PM
by K1JJ
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Receiver multicoupler for HF
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W7TFO
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15
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16648
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November 12, 2009, 10:24:55 PM
by WU2D
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Modulator plate current - major change in the circuit
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W4RFM
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24
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16657
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January 31, 2009, 11:56:15 AM
by W4RFM
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Calculating audio impedances
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W8ACR
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22
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16666
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March 31, 2011, 08:38:07 PM
by WD5JKO
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Broadbanding a Link Antenna Coupler (lowering Q techniques?)
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aa5wg
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15
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16679
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January 08, 2010, 12:14:57 AM
by Steve - WB3HUZ
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R390 dead.
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ke7trp
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37
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16687
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August 21, 2010, 01:39:50 AM
by ke7trp
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