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1 Member and 41 Guests are viewing this board.
2 tone into an AM TX ? VE7RF 3 136 Last post Today at 01:20:31 AM
by K1JJ
Homebrew a plate choke for 4-1000 GG with warc KL7OF 16 566 Last post Yesterday at 07:33:22 PM
by km6sn
Noisy tank... K8DI 9 301 Last post Yesterday at 11:45:49 AM
by VE7RF
National NC-300 S-Meter at Max in CW Mode W1TTL 9 577 Last post October 24, 2020, 01:59:09 PM
by Pete, WA2CWA
Villard Cage: very accurate electrical noise locator km6sn 10 426 Last post October 23, 2020, 04:08:17 PM
by Tom WA3KLR
Winter Ground System W1ITT 9 587 Last post October 22, 2020, 03:54:58 AM
by R. Fry SWL
Johnson Viking II k5kab 7 227 Last post October 21, 2020, 08:16:12 PM
by Pete, WA2CWA
Negative audio feedback in Heising circuit ka1tdq 19 819 Last post October 17, 2020, 09:09:47 PM
by WD5JKO
ANOTHER 4D32 question. W4RFM 7 381 Last post October 16, 2020, 08:35:51 PM
by W4RFM
BC-1g plate choke k7mdo 10 378 Last post October 16, 2020, 06:38:21 PM
by k7mdo
$80 SA for EMI sniffing? K6JEK 18 804 Last post October 16, 2020, 07:35:35 AM
by ka8gef
revisited old Hallicrafters module A-801 P/N 150-000407 after almost a decade Opcom 4 325 Last post October 14, 2020, 12:42:49 AM
by Opcom
viking ii & hg-10b k5kab 7 404 Last post October 13, 2020, 06:17:09 AM
by k5kab
collection of Nigel VE3ELQ articles km6sn 4 383 Last post October 10, 2020, 12:56:28 PM
by N4LTA
Remote Dispatch Software ka1tdq 7 247 Last post October 09, 2020, 10:01:32 PM
by ka1tdq
Help With Tuning an NC-300 for CW W1TTL 3 438 Last post October 09, 2020, 08:36:41 AM
by W1TTL
The 3D6 Loktal beam pentode for AF and RF to 6 meters. Opcom 0 109 Last post October 09, 2020, 02:27:09 AM
by Opcom
High power LED power supplies as medium voltage plate supplies Opcom 10 610 Last post October 08, 2020, 10:59:53 PM
by Opcom
Clegg Zeus, three-diode negative peak limiter? KD1SH 0 136 Last post October 07, 2020, 12:36:17 PM
by KD1SH
HT-37 Modulator driver transformers? KU8L 1 203 Last post October 06, 2020, 12:58:11 PM
by DMOD
MOVED: BC-1T and 707 Steve - K4HX 0 103 Last post October 05, 2020, 11:06:29 PM
by Steve - K4HX
Which mod transformers don't need a reactor? KD1SH 11 736 Last post October 05, 2020, 03:57:30 AM
by WZ1M
RF-specific 'doorknob' capacitors Q-factor, suitability for tuned circuits Opcom 6 447 Last post October 04, 2020, 10:16:23 PM
by W2PFY
TinySA spectrum Analyzer arrived W1ITT 2 280 Last post October 04, 2020, 03:41:06 PM
by KC4VWU
Has anyone used a computer power supply for their rig? W4EWH 3 255 Last post October 04, 2020, 01:25:52 PM
by WD5JKO
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