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April 29, 2024, 04:28:31 AM
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National's "coil catacomb" receivers - NC100's, NC-2-40's, RAO's, etc.
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W8EJO
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9219
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October 19, 2005, 11:25:11 AM
by W8EJO
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SX-117 Receiver Test Results
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W1VD
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8895
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November 27, 2008, 08:47:29 AM
by W1VD
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7 Deadly Caps - 75A-4 Repair Tips by Chuck, WA4HHG
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Steve - WB3HUZ
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7151
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June 12, 2005, 06:54:14 PM
by Steve - WB3HUZ
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Comparing RMS and ENVELOPE detectors for modding AM receivers
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IN3IEX
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7131
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November 04, 2011, 07:33:05 AM
by IN3IEX
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The R-390A Owners Manual by Chuck Rippel, WA4HHG
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Steve - WB3HUZ
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6977
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June 12, 2005, 06:37:14 PM
by Steve - WB3HUZ
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Curing hum modulation on oscillators
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w3jn
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6939
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June 26, 2005, 07:42:25 PM
by w3jn
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IERC Tube Shields for the R-390A by Chuck Rippel, WA4HHG
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Steve - WB3HUZ
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6888
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June 12, 2005, 06:42:45 PM
by Steve - WB3HUZ
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TCI 8174
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WA1GFZ
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6784
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January 05, 2006, 09:55:42 PM
by WA1GFZ
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Detector hookup - K1JJ
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W2INR
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6618
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June 12, 2005, 11:49:17 AM
by W2INR
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SP200/400 Mods
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W8EJO
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0
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6287
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November 09, 2005, 09:37:56 AM
by W8EJO
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R-390A Audio Modifications
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Steve - K4HX
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6235
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December 15, 2012, 11:21:43 AM
by Steve - K4HX
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Quick and Dirty SP-600 Audio Modifications
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Steve - K4HX
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6200
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December 16, 2012, 12:51:44 PM
by Steve - K4HX
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Receiver tone test - K1JJ
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W2INR
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0
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5881
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June 12, 2005, 11:50:04 AM
by W2INR
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AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
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