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November 03, 2025, 03:14:26 AM
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Sherwood SE-3 Sync Detector mod for ham use
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w3jn
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0
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13954
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April 12, 2008, 09:09:09 AM
by w3jn
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WinRadio
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kc2ifr
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6
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22440
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February 18, 2008, 11:35:54 AM
by N1ESE
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Lankford R390A mods and lots of other RX improvements
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John K5PRO
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4
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19462
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August 07, 2006, 02:40:49 PM
by WA1GFZ
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Fix for the 3TF7 problem in the R-390/390A/391
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w3jn
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14
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37304
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January 30, 2006, 08:37:19 PM
by Steve - WB3HUZ
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TCI 8174
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WA1GFZ
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0
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10430
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January 05, 2006, 09:55:42 PM
by WA1GFZ
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SP200/400 Mods
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W8EJO
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0
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9832
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November 09, 2005, 09:37:56 AM
by W8EJO
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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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0
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12827
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October 19, 2005, 11:25:11 AM
by W8EJO
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Curing hum modulation on oscillators
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w3jn
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0
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10536
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June 26, 2005, 07:42:25 PM
by w3jn
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7 Deadly Caps - 75A-4 Repair Tips by Chuck, WA4HHG
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Steve - WB3HUZ
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0
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10886
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June 12, 2005, 06:54:14 PM
by Steve - WB3HUZ
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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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0
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10515
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June 12, 2005, 06:42:45 PM
by Steve - WB3HUZ
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The R-390A Owners Manual by Chuck Rippel, WA4HHG
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Steve - WB3HUZ
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0
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10608
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June 12, 2005, 06:37:14 PM
by Steve - WB3HUZ
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Receiver tone test - K1JJ
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W2INR
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0
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10779
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June 12, 2005, 11:50:04 AM
by W2INR
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Detector hookup - K1JJ
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W2INR
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0
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11518
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June 12, 2005, 11:49:17 AM
by W2INR
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 Topic you have posted in
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AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
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