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HPSDR HERMES
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WA1GFZ
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53
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27684
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July 29, 2012, 06:20:31 PM
by WBear2GCR
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DX-60 hum
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n1ps
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49
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27695
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June 20, 2023, 08:18:15 AM
by wa2tak
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Need your opinion on a tuner.
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K7NCR
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51
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27714
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November 01, 2009, 01:19:48 PM
by WA1GFZ
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T-368 Exciter
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w5hro
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26
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27727
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February 04, 2010, 03:33:29 PM
by k4kyv
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What tube would you consider for this amp project?
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ke7trp
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43
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27799
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August 14, 2010, 07:46:03 PM
by Opcom
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Pair of Johnson transmitters.
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kc4umo
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59
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27884
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November 23, 2017, 07:37:35 AM
by kc4umo
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Interesting transistor failure (long, semi-OT)
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WB3JOK
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20
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27973
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April 25, 2011, 07:14:48 PM
by Opcom
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Actual Measurements of FT-1000D or 3-500Z Amplifier IMD Trash Levels
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K1JJ
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30
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27980
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December 19, 2005, 02:47:29 PM
by WA1GFZ
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Simple diode negative peak limiter for line level audio?
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K1JJ
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43
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28141
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February 23, 2010, 03:21:05 PM
by WA1GFZ
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new project for winter...
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N2DTS
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60
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28281
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January 21, 2015, 08:26:09 PM
by N2DTS
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Apache TX-1 HV Short
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oldsalt
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48
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28346
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March 09, 2008, 07:59:40 PM
by oldsalt
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Johnson Thunderbolt Power plug.
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ke7trp
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51
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28366
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August 17, 2010, 07:54:17 AM
by The Slab Bacon
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Converting AC to DC filiments
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ke7trp
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58
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28380
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May 03, 2012, 02:17:16 PM
by KA2DZT
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4 x 833A solid state driver
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AMLOVER
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43
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28398
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April 07, 2011, 05:28:39 PM
by W2XR
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Convert Two 813 Tube SSB Amp To "AM"
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WB4AM
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51
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28484
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January 31, 2017, 03:38:40 PM
by WA6PBJ
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National NC-2-40D
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N0WVA
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26
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28509
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June 17, 2010, 07:50:44 AM
by WQ9E
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Open Wire Reactance and Resistance Calculation
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aa5wg
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37
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28548
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April 21, 2011, 08:15:41 AM
by aa5wg
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Hermes 14-bit SDR Xcvr available
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W1ITT
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69
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28608
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January 31, 2024, 01:14:54 PM
by K9MB
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Power required to drive an 813 in grounded grid linear?
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K1JJ
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23
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28728
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June 23, 2013, 10:29:24 PM
by K1JJ
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NC300, In the dishwasher.. LOL
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ke7trp
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54
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28806
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December 17, 2009, 04:36:30 PM
by ke7trp
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Is Synchronous AM detection all hype?
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ND9B
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33
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28815
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May 26, 2012, 09:53:38 AM
by KM1H
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Oscilloscope and Modulation Meter for SDR# MEASURES AM MODULATION ASYMMETRY
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IN3IEX
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21
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28913
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February 06, 2023, 06:13:39 AM
by KD6VXI
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DSP lightning noise reduction for WEAK signals
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K1JJ
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45
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28990
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April 29, 2008, 03:17:53 PM
by WA1GFZ
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HIGH SWR Tribander
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flintstone mop
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40
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29223
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August 17, 2005, 09:58:55 PM
by K1JJ
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OWL is the Winner!
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k4kyv
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39
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29349
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April 24, 2012, 01:14:21 PM
by k4kyv
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Topic you have posted in
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