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How to Use This Section - Read Before Posting Steve - K4HX 0 15158 Last post January 17, 2011, 02:08:59 PM
by Steve - K4HX
MOVED: EF Johnson Viking Valiant basic upgrade info Pete, WA2CWA 0 412 Last post January 08, 2026, 02:08:44 AM
by Pete, WA2CWA
RCA transmitter move from 160m to 80m n5ama 9 3429 Last post November 29, 2025, 12:56:16 AM
by AG5UM
MOVED: BC-375 - Master Oscilator tube replaced w3jn 0 599 Last post October 26, 2025, 10:45:35 PM
by w3jn
MOVED: Possibly Driver transmitter? w3jn 0 331 Last post October 26, 2025, 10:45:02 PM
by w3jn
T-368 blower noise reduction W9RAN 4 19405 Last post August 02, 2025, 11:30:06 AM
by wb3eii
A homebrew Class D TX with transformer coupled modulator WO1U 20 91923 Last post December 31, 2024, 11:50:46 AM
by BA7OMW
MOVED: RCA ACT-200 with matching RX, mike & speaker.....so 1936 w3jn 0 10750 Last post October 13, 2024, 09:37:57 PM
by w3jn
40 meter Class D WO1U 3 16917 Last post August 11, 2024, 10:34:26 PM
by DMOD
WA1HLR "LITE audio mods" for the Ranger, 2022 W1GFH 2 19204 Last post May 24, 2023, 09:28:59 AM
by W1GFH
Making a VFO to Transmitter Matching Transformer AE2EA 0 19882 Last post July 16, 2021, 08:19:18 AM
by AE2EA
The Mysteries of the Pi Network Explained AE2EA 0 10481 Last post July 02, 2021, 09:18:07 AM
by AE2EA
Knight T-150 Transmitter Modifications DMOD 7 39164 Last post June 14, 2021, 03:25:50 PM
by DMOD
AM Transmitter Build kc4umo 14 44017 Last post February 09, 2021, 07:09:34 PM
by W2PFY
Old transmitter Rescued from the Scrapyard KD2AZI 17 34602 Last post August 04, 2020, 09:47:28 AM
by W2PFY
Getting the BTA-250M rockound again AE2EA 1 12642 Last post August 03, 2020, 08:50:39 AM
by KD2AZI
A Telvar transmitter W7TFO 4 14477 Last post March 06, 2020, 09:25:17 PM
by W7TFO
Intermittent RF Output on Early Low Power Novice Transmitters DMOD 0 8728 Last post February 12, 2020, 02:06:59 PM
by DMOD
HIFI Home Broadcast Transmitter DMOD 7 27046 Last post December 18, 2019, 02:08:04 AM
by DMOD
A Dual Band Ten Watt CW/AM Transmitter Steve - K4HX 0 21796 Last post March 10, 2018, 04:01:43 PM
by Steve - K4HX
DX-40 Circuit Improvements DMOD 0 18283 Last post July 14, 2017, 02:10:40 PM
by DMOD
DX-60 mods by wa1knx wa1knx 0 12979 Last post June 15, 2017, 03:36:45 AM
by wa1knx
HT-40 Modification and Upgrades Steve - K4HX 1 17346 Last post December 31, 2016, 09:25:47 PM
by DMOD
Hammarlund PA-500 RF Deck Info Steve W8TOW 3 17380 Last post May 25, 2016, 06:30:32 PM
by DMOD
Mods for the BC-610 Steve - K4HX 21 110779 Last post May 23, 2016, 03:40:29 PM
by kb3rdt
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