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February 17, 2025, 10:16:43 AM
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1 Member and 30 Guests are viewing this board.
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4000V B+ power supply -filter choices
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Opcom
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7
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5119
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November 04, 2011, 06:41:50 PM
by KM1H
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400 ohm dummy load ?
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KE4LRL
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8
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5089
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October 02, 2014, 06:37:27 PM
by KE4LRL
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40-20 antenna?
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Bill, KD0HG
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14
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8109
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February 20, 2012, 07:45:39 AM
by WD5JKO
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40 meters plate modulated... on the air!
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ka1tdq
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3
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2320
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March 10, 2014, 07:42:49 AM
by VE3LYX
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40 meter transmitter
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ka1tdq
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64
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35682
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February 06, 2015, 04:52:09 PM
by ka1tdq
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40 Meter Quarter Wave Vertical/75 Meter Inverted L
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AJ1G
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27
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12187
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February 17, 2020, 09:37:19 PM
by KK4YY
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40 meter mobile antenna, recomedations?
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W6TOM
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21
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10608
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June 18, 2016, 10:41:37 AM
by VE7EPP
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40 meter mobile antenna
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ka1tdq
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11
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6073
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May 30, 2015, 10:25:00 PM
by ka1tdq
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40 meter AM crystal
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k7mdo
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11
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6179
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July 04, 2017, 06:03:18 AM
by N2CQR
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40 meter 200W SiC FET RF Deck
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VE3ELQ
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22
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18380
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November 11, 2015, 11:48:58 PM
by steve_qix
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4-Wire Ladder Line (Not Parrallel 2-Wire)
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aa5wg
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24
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18757
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November 18, 2014, 09:46:29 AM
by aa5wg
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4-pronged electrolytic capacitors
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ka1tdq
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22
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9819
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September 17, 2017, 01:27:44 PM
by ka1tdq
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4-prong bias plug for Thunderbolt
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wa2dtw
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9
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6356
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February 01, 2006, 02:59:24 PM
by wa2dtw
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4-65A Transmitter: Plate Supply Bleeder
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W9ZSL
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17
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8654
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December 04, 2013, 01:00:42 AM
by W9ZSL
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4-65A Transmitter Update
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W9ZSL
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31
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16928
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January 06, 2014, 04:51:24 PM
by W9ZSL
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4-65A Modulator
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W9ZSL
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44
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26039
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March 17, 2015, 08:34:27 PM
by KA2DZT
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4-65A as modulators
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WZ1M
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18
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16654
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October 29, 2009, 07:26:53 PM
by WBear2GCR
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4-400s by 304tls
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kc2ifr
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4
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3964
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May 09, 2009, 12:18:03 PM
by Gito
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4-400a vs NL10277-1
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k7iou
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13
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7892
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December 05, 2014, 09:33:09 PM
by k7iou
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4-400A vs 4-400C and Viking Thunderbolt
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wa2dtw
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5
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6863
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April 21, 2007, 10:45:19 PM
by k7yoo
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4-400A vs 4-400C
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Opcom
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5
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6033
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January 01, 2009, 02:12:13 AM
by Opcom
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4-400A - which Chimney to use??
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Ralph
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6
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5456
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March 25, 2006, 10:30:01 AM
by WBear2GCR
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4-400 tube socket hole size
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N3DRB The Derb
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18
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8966
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September 06, 2009, 09:45:45 AM
by Detroit47
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4-400 screen modulation
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KA4RFA
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5
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4483
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September 30, 2009, 08:07:52 AM
by The Slab Bacon
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4-400 noise
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Detroit47
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15
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5843
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January 26, 2018, 11:03:09 AM
by W2PFY
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Topic you have posted in
Normal Topic
Hot Topic (More than 15 replies)
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AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
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