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Building a New AC Probe for a Vacuum Tube Voltmeter
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0
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220
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11 January 2024
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Restoring a Vintage (and Abused) Hewlett-Packard 410C Vacuum Tube Voltmeter
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0
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228
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26 November 2023
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Repairing a Hewlett-Packard 5245L Frequency Counter, Part 7—Plug-in-Palooza and the 18 Gigahertz Summit
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0
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206
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25 September 2023
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Repairing a Hewlett-Packard 5245L Frequency Counter, Part 6—Twelve Gigahertz and the Technician from Hell
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0
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382
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16 August 2023
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Repairing a Hewlett-Packard 5245L Frequency Counter, Part 5—Dead Out of the Box
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0
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180
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25 July 2023
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Repairing a Hewlett-Packard 5245L Frequency Counter, Part 4—Onward to 3 GHz
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0
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292
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21 July 2023
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Repairing a Hewlett-Packard 5245L Frequency Counter, Part 3—500 MHz Radio Frequency Magic
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0
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259
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13 June 2023
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Repairing a Hewlett-Packard 5245L Frequency Counter, Part 2
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0
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283
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18 May 2023
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Repairing a Hewlett-Packard 5245L Frequency Counter, Part 1
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0
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433
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12 May 2023
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Restoring a Hewlett-Packard 5327B Nixie Tube Universal Counter
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1
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295
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15 December 2022
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Degaussing a Hewlett-Packard Cesium Atomic Clock
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5
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421
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27 October 2022
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Hewlett-Packard 711A Tube Power Supply Restoration
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0
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358
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2 August 2022
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Repairing a Hewlett-Packard 7035B X-Y Recorder, Part 2
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1
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368
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24 June 2022
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Repairing a Hewlett-Packard 7035B X-Y Recorder, Part 1
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0
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313
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23 June 2022
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Recovering Software from Forty-Year-Old Magnetic Tapes
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0
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282
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15 June 2022
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Hewlett-Packard 5342A Microwave Frequency Counter Upgrade
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0
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381
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16 May 2022
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Hewlett-Packard 9825 Repair Part 14—Installing a Crowbar Circuit
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0
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374
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21 April 2022
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Hewlett-Packard 9825 Repair Part 13—Fixing the Tape Drive
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0
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324
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7 April 2022
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Restoring a Hewlett-Packard 521A Frequency Counter, Part 2
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0
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409
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30 March 2022
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Restoring a Hewlett-Packard 521A Frequency Counter
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0
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332
|
1 March 2022
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Repairing and Calibrating a Hewlett-Packard 3300A Function Generator
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0
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302
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7 February 2022
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Hewlett-Packard 521DR Digital Counter from the 1950s
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0
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435
|
23 January 2022
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Repairing a Hewlett-Packard 8568B 1.5 GHz Spectrum Analyser
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1
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395
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3 January 2022
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Brain Transplant—Repairing Hewlett-Packard 4957A Serial Protocol Analyzers
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0
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321
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25 November 2021
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Hewlett-Packard 150A Oscilloscope Restoration: Part 4
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1
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370
|
1 November 2021
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What Is This? Exploring a Mystery Hewlett-Packard Instrument From 1950
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0
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277
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23 October 2021
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