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1 Member and 71 Guests are viewing this board.
I love mystery chassis! KD1SH 8 4853 Last post June 02, 2025, 11:13:12 PM
by Opcom
Externally modulating a Valiant WR6J 11 5948 Last post May 28, 2025, 10:29:48 AM
by W3SLK
Lesson learned... defining ground in NEC W4AMV 3 2888 Last post May 20, 2025, 09:35:51 AM
by W4AMV
Ballast replacement help « 1 2 » n5ama 34 9314 Last post May 19, 2025, 05:05:23 PM
by w8khk
Hallicrafters HT-9 TUs n5ama 0 1618 Last post May 15, 2025, 09:48:39 AM
by n5ama
MFJ HF/VHF SWR Analyzer Calibration AJ1G 1 2213 Last post May 04, 2025, 07:25:28 PM
by KD6VXI
Hallicrafters sx-9 transformer specs N9AXl 1 2209 Last post May 02, 2025, 05:54:50 PM
by DMOD
FT-901DM Mic amplifier circuit kb3ouk 3 5325 Last post April 25, 2025, 06:34:23 AM
by pa3cli
Tektronix Surprise. KD1SH 10 4794 Last post April 19, 2025, 08:57:51 PM
by KD1SH
National HRO-60 Hum W1TTL 23 6958 Last post April 19, 2025, 08:14:46 PM
by W1TTL
UTC Mod Transformer Connections KD1SH 22 6729 Last post April 16, 2025, 02:23:15 AM
by Pete, WA2CWA
One for an EZNEC person WA4WAX 1 1868 Last post April 13, 2025, 04:13:21 PM
by DMOD
6m local rag chew suggestions n5ama 21 5432 Last post April 12, 2025, 06:31:58 PM
by WB6NVH
RCC 230L Amplifier W3JKO 13 3896 Last post April 09, 2025, 10:31:31 AM
by W7TFO
Phase the Bobtail WA4WAX 1 1369 Last post April 05, 2025, 12:58:13 PM
by WA4WAX
Johnson Viking Valiant modulation problem. W1OAT 7 3062 Last post April 04, 2025, 01:02:47 PM
by W1OAT
Interesting audio pass band circuit Opcom 4 2466 Last post April 03, 2025, 10:51:37 PM
by Opcom
RCA AM oscillator KB0TXC 9 2958 Last post April 03, 2025, 12:24:54 PM
by KB5MD
Bobtail Curtain booklet WA4WAX 3 1748 Last post April 02, 2025, 03:51:14 PM
by Pete, WA2CWA
Harris RF 131 kc2we 1 1217 Last post April 01, 2025, 04:27:29 PM
by Pete, WA2CWA
1944 Army-Navy recommended tubes W1DAN 2 1649 Last post March 24, 2025, 05:43:41 PM
by W1DAN
Question on keeping rf out of mains KB0TXC 9 2949 Last post March 23, 2025, 01:27:48 PM
by Steve - K4HX
RCA serial number lookup KB0TXC 0 1295 Last post March 22, 2025, 10:26:24 AM
by KB0TXC
Viking Challenger Tube Substitutions W0PWE 4 2000 Last post March 21, 2025, 01:40:58 PM
by DMOD
Looking for documentation for RCA UL-4392 oven controlled crystal oscillator KB0TXC 9 2857 Last post March 21, 2025, 09:38:24 AM
by KB0TXC
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