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Maximum Power Output vs Plate Current Dip KK4YY 9 522 Last post February 05, 2019, 12:58:14 PM
by ab1mn
very old tube type 12A data wanted. Opcom 8 285 Last post February 04, 2019, 03:56:23 PM
by Joe Connor
Receiver tor the Tiny Transmitter WA4WAX 0 138 Last post February 04, 2019, 12:43:28 PM
by WA4WAX
Another Tiny Transmitter WA4WAX 6 394 Last post February 03, 2019, 01:01:45 PM
by Opcom
Single-ended class D ka1tdq 5 261 Last post February 02, 2019, 03:20:57 PM
by M0VRF
262 or 250KC I.F. transformers and 455KC BFO coils Opcom 11 676 Last post February 01, 2019, 08:11:37 PM
by KD6VXI
RFI to GFI device WA2SQQ 7 1589 Last post February 01, 2019, 10:12:25 AM
by KD6VXI
Inexpensive Function/Signal Generator VE3ELQ 0 157 Last post February 01, 2019, 08:34:48 AM
by VE3ELQ
VFO's.....again! WA4WAX 0 173 Last post February 01, 2019, 01:35:22 AM
by WA4WAX
Kenyon transformer and choke info needed. W8KHZ 4 298 Last post January 31, 2019, 09:46:44 PM
by Opcom
R-390a tripping ground fault GFI KM4RHK 5 969 Last post January 31, 2019, 09:36:58 PM
by WBear2GCR
Question about ferrite core material and common mode RF Reduction. WA2SQQ 8 367 Last post January 30, 2019, 09:15:02 PM
by KK4YY
Icoms on AM, external ALC mod « 1 2 » ke7trp 46 27331 Last post January 30, 2019, 08:06:15 PM
by KW4DE
Broadcast Audio from your DX-60 « 1 2 3 4 » steve_qix 77 38752 Last post January 30, 2019, 07:30:39 PM
by WA4WAX
Another Tube VFO WA4WAX 0 132 Last post January 29, 2019, 07:47:21 PM
by WA4WAX
Two more chokes I need info on... W8KHZ 0 119 Last post January 27, 2019, 07:04:07 AM
by W8KHZ
Hammerlund HQ-110A WB4YVO 14 980 Last post January 23, 2019, 04:47:49 PM
by WB4YVO
Johnson Viking Valiant Zero Beat-SOLVED w3khg 7 510 Last post January 23, 2019, 10:38:42 AM
by w3khg
UTC S-42 Power Transformer Diagram w9ac 7 479 Last post January 22, 2019, 04:47:17 PM
by Opcom
Accuracy of HRO NPW Dial and Gear Box? N2CQR 20 1219 Last post January 22, 2019, 04:25:22 PM
by Opcom
ART 13 mod transformer W4RFM 0 175 Last post January 21, 2019, 12:14:47 PM
by W4RFM
MOVED: End Fed 8JK Steve - K4HX 0 150 Last post January 20, 2019, 12:16:36 PM
by Steve - K4HX
AM Audio Processing using software w9jsw 24 1368 Last post January 20, 2019, 10:43:44 AM
by KD6VXI
Triode Connected Beam Pentode Class C Amp KK4YY 11 620 Last post January 19, 2019, 07:11:47 PM
by Opcom
WRONG TRANSFORMER???? KB5MD 1 235 Last post January 19, 2019, 06:53:59 PM
by Opcom
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