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FT-901DM Mic amplifier circuit kb3ouk 3 2924 Last post Today at 06:34:23 AM
by pa3cli
Tektronix Surprise. KD1SH 10 689 Last post April 19, 2025, 08:57:51 PM
by KD1SH
National HRO-60 Hum W1TTL 23 1935 Last post April 19, 2025, 08:14:46 PM
by W1TTL
UTC Mod Transformer Connections KD1SH 22 1578 Last post April 16, 2025, 02:23:15 AM
by Pete, WA2CWA
One for an EZNEC person WA4WAX 1 307 Last post April 13, 2025, 04:13:21 PM
by DMOD
6m local rag chew suggestions n5ama 21 1365 Last post April 12, 2025, 06:31:58 PM
by WB6NVH
RCC 230L Amplifier W3JKO 13 1069 Last post April 09, 2025, 10:31:31 AM
by W7TFO
Phase the Bobtail WA4WAX 1 291 Last post April 05, 2025, 12:58:13 PM
by WA4WAX
Johnson Viking Valiant modulation problem. W1OAT 7 1286 Last post April 04, 2025, 01:02:47 PM
by W1OAT
Interesting audio pass band circuit Opcom 4 1101 Last post April 03, 2025, 10:51:37 PM
by Opcom
RCA AM oscillator KB0TXC 9 853 Last post April 03, 2025, 12:24:54 PM
by KB5MD
Bobtail Curtain booklet WA4WAX 3 398 Last post April 02, 2025, 03:51:14 PM
by Pete, WA2CWA
Harris RF 131 kc2we 1 223 Last post April 01, 2025, 04:27:29 PM
by Pete, WA2CWA
1944 Army-Navy recommended tubes W1DAN 2 577 Last post March 24, 2025, 05:43:41 PM
by W1DAN
Question on keeping rf out of mains KB0TXC 9 1100 Last post March 23, 2025, 01:27:48 PM
by Steve - K4HX
RCA serial number lookup KB0TXC 0 296 Last post March 22, 2025, 10:26:24 AM
by KB0TXC
Viking Challenger Tube Substitutions W0PWE 4 821 Last post March 21, 2025, 01:40:58 PM
by DMOD
Looking for documentation for RCA UL-4392 oven controlled crystal oscillator KB0TXC 9 1085 Last post March 21, 2025, 09:38:24 AM
by KB0TXC
Globe Champion 300 W5FH 1 625 Last post March 12, 2025, 11:38:22 PM
by K4RT
Two vs one Receiver RF Stage « 1 2 » n8fvj 27 3942 Last post March 11, 2025, 10:12:12 PM
by Steve - K4HX
More DX-60 PTT Wiring Dave K6XYZ 10 1729 Last post March 06, 2025, 01:40:03 PM
by DMOD
HALLICRAFTERS HT32 / HT32b KB5MD 2 549 Last post March 05, 2025, 03:51:04 PM
by Pete, WA2CWA
Testing a swinging choke W1RKW 4 1834 Last post March 04, 2025, 12:50:09 PM
by Tom WA3KLR
plastic dials on Heathkit SB301 and other models K8DI 1 410 Last post March 04, 2025, 12:42:05 PM
by w7fox
DX-60B audio circuit levels « 1 2 » W3JKO 30 3813 Last post March 02, 2025, 11:10:19 PM
by DMOD
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