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No unread posts Connect/Do Not Connect ground to deck of Hickok 539?

markjhatch

7

301

Jul Thu 20, 2017 4:45 pm

markjhatch View the latest post

No unread posts Leaving equipment on for a week or so

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Gibson

24

776

Jul Thu 20, 2017 4:48 am

majoco View the latest post

No unread posts Attachment(s) Waterman 5-10-A pocket Oscilloscope

Skwidder

5

335

Jul Wed 19, 2017 11:39 pm

Skwidder View the latest post

No unread posts Attachment(s) PROVAVALVOLE (UNA) GB74M Tube Tester: Any Infos Wanted

Tubologic

1

175

Jul Wed 19, 2017 2:27 am

OTH View the latest post

No unread posts Attachment(s) Help understanding filter capacitor circuit

mike4330

15

509

Jul Tue 18, 2017 7:08 pm

radiotechnician View the latest post

No unread posts HICKOK OBQ-3 USN VTVM - schematic anyone?

Barry H Bennett

1

155

Jul Tue 18, 2017 4:54 pm

sfox7076 View the latest post

No unread posts Attachment(s) Cloudy LCD screen

CROSSBOLT

11

523

Jul Tue 18, 2017 11:08 am

W2WIQ View the latest post

No unread posts Attachment(s) Yokogawa Scope Switching Power Supply Help Needed FIXED YEAH

Koby

10

920

Jul Tue 18, 2017 10:33 am

Mikeinkcmo View the latest post

No unread posts VIZ Vector (RCA) WP-30 Variac/Isolation/Current/Leakage Test

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jwillis44

20

3482

Jul Tue 18, 2017 3:06 am

Koby View the latest post

No unread posts Attachment(s) Simpson (??) AC Voltmeter

Ron_Taylor

3

180

Jul Mon 17, 2017 11:17 pm

Ron_Taylor View the latest post

No unread posts Time Interval Multimeter on HP-1725A oscilloscope

W0MPM

2

190

Jul Mon 17, 2017 10:22 pm

W0MPM View the latest post

No unread posts Attachment(s) Repair of Phastron meter

PaulAm

7

453

Jul Mon 17, 2017 9:07 pm

Leigh View the latest post

No unread posts Superior model 82-A tube tester

ASUMike

9

3421

Jul Mon 17, 2017 7:56 pm

bigg40 View the latest post

No unread posts tube chart for Superior 82-a tube tester

bigg40

1

113

Jul Mon 17, 2017 6:55 pm

easyrider8 View the latest post

No unread posts Wanted VectorViz model WP-30 Owners Manual & Schematic!

finom1

0

120

Jul Mon 17, 2017 3:32 pm

finom1 View the latest post

No unread posts Need schematic/info. for VIZ Isolated AC Supply

Mars

10

1472

Jul Mon 17, 2017 3:05 pm

finom1 View the latest post

No unread posts Attachment(s) Vector-Vid WP-32 Monitor ISO-V-AC III AC Power Supply 1600W

Nicholas

11

1186

Jul Mon 17, 2017 2:56 pm

finom1 View the latest post

No unread posts Attachment(s) Some hints on Fixing Tektronix TDS-420 Oscilloscopes

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7jp4-guy

40

11645

Jul Mon 17, 2017 1:22 pm

cos000 View the latest post

No unread posts Manuals Needed: Hicock 188X and B&H Model 34

Gibson

8

213

Jul Sun 16, 2017 8:10 pm

easyrider8 View the latest post

No unread posts Sencore LC53 LC77 LC102 LC103 cable

xxx2fan

8

256

Jul Sun 16, 2017 6:56 pm

Findm-Keepm View the latest post

No unread posts Attachment(s) Simpson 261 Resistors

jimjimmunster

6

338

Jul Sun 16, 2017 6:23 pm

cwr56 View the latest post

No unread posts Attachment(s) Repairing a Variac Worth the Effort?

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ab5ni

23

888

Jul Sun 16, 2017 4:54 pm

ab5ni View the latest post

No unread posts Roger Kennedy Alltubetesters.com

Dvanwickle

7

1098

Jul Sun 16, 2017 2:55 am

Dvanwickle View the latest post

No unread posts Attachment(s) Singer CSM-1 refurbishment

Primitiveradiogod

11

2517

Jul Sat 15, 2017 9:27 pm

Tom Herman View the latest post

No unread posts Clough Brengle Schematic

targeteye

3

182

Jul Sat 15, 2017 8:05 pm

targeteye View the latest post

No unread posts Attachment(s) USM-118B, Transformer Leakage issue

tube.hobby

11

766

Jul Sat 15, 2017 2:02 pm

Marcc View the latest post

No unread posts Hickhock TV 7 ?

Ray P

6

339

Jul Sat 15, 2017 12:51 am

Ray P View the latest post

No unread posts Meter replacement for Hickok 209A

sfox7076

4

285

Jul Fri 14, 2017 7:38 am

Barry H Bennett View the latest post

No unread posts Testing UV-203, 211 tubes

author109

5

211

Jul Fri 14, 2017 3:45 am

author109 View the latest post

No unread posts Attachment(s) Lambda C-482M-0108 Regulated Power Supply

Curly

2

172

Jul Thu 13, 2017 9:48 pm

Curly View the latest post

No unread posts Attachment(s) HP 8443A Tracking Genereator Question

radious

6

537

Jul Thu 13, 2017 6:50 pm

radious View the latest post

No unread posts Amprobe reads low on heater circuit

Chuck Braun

6

255

Jul Thu 13, 2017 5:31 pm

Chuck Braun View the latest post

No unread posts Ballantine 300E

Johnnysan

4

232

Jul Thu 13, 2017 11:58 am

Johnnysan View the latest post

No unread posts Hickok 534 restoration adventure

K3TCM

1

173

Jul Thu 13, 2017 3:34 am

Barry H Bennett View the latest post

No unread posts 83 vs 83v Tubes

ettore

6

374

Jul Thu 13, 2017 12:45 am

ettore View the latest post

No unread posts Hickok 600A test settings for 71A tube?

too-bamp

4

255

Jul Wed 12, 2017 10:40 pm

too-bamp View the latest post

No unread posts Attachment(s) Variac Variable Transformer - Sizing

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Sparg93

33

3829

Jul Wed 12, 2017 8:42 pm

pajeff View the latest post

No unread posts Attachment(s) Heathkit C-3 woes

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sopranojam85

25

2450

Jul Wed 12, 2017 3:55 pm

sopranojam85 View the latest post

No unread posts Did I Just Kill My Scope's CRT?

RCAProduction

13

606

Jul Wed 12, 2017 8:54 am

RCAProduction View the latest post

No unread posts Alan Douglas General Radio Test Equipment manuals

Merrill Bancroft

1

274

Jul Tue 11, 2017 7:09 pm

Barry H Bennett View the latest post

No unread posts Attachment(s) Hickok Tube Tester Neon Glow Lamp ID

Bugman

2

204

Jul Mon 10, 2017 7:12 pm

Bugman View the latest post

No unread posts Hickok 533 Line Adjust Always Above Target Line

abraves

9

311

Jul Mon 10, 2017 5:33 pm

Lou deGonzague View the latest post

No unread posts Heathkit IG-1272 Audio Generator

Poston Drake

4

216

Jul Mon 10, 2017 5:19 pm

Poston Drake View the latest post

No unread posts Philco/Hickok tube testers

Poston Drake

0

160

Jul Mon 10, 2017 4:47 pm

Poston Drake View the latest post

No unread posts MOTOROLA AC Voltmeter S1053C Battery

Bill Benson

14

428

Jul Mon 10, 2017 3:10 pm

stevebyan View the latest post

No unread posts SNAP-ON MT-665 Restoration

jcrubin

17

1395

Jul Mon 10, 2017 2:03 pm

jcrubin View the latest post

No unread posts Attachment(s) Sprague TCA-1

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Guest

24

2801

Jul Mon 10, 2017 9:24 am

Monarke4 View the latest post

No unread posts Heath Schlumberger SP-17A Heathkit IP-17

NW2K

10

402

Jul Mon 10, 2017 12:10 am

Lou deGonzague View the latest post

No unread posts Attachment(s) What are the recommended tools for radio alignment?

roguethistle

7

321

Jul Sun 09, 2017 11:43 pm

roguethistle View the latest post

No unread posts Sencore IB-78 eprom

sparkgap

4

293

Jul Sun 09, 2017 4:19 pm

sparkgap View the latest post

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