Відео

In this video Murray describes the Intermediate Frequency (I.F.) section of a radio. Goes through basic test equipment you'll need and typical problems and symptoms in the I.F. section of a radio.

Greg steps us through what to do if you suspect your radio has Intermediate Frequency transformers suffering from Silver Mica Disease

Join Don as he tells you about some of his background and shows you some of his techniques when restoring gramophones.

We look at a 1920's style Regenerative radio and describe why they were popular and how it works.

A techie retires and finds time to return to the radio hobby he left 40 years earlier. He relates his experience restoring a pile of portable tube radios that had followed him home from local radio club events. Details apply mostly to Zenith Trans Oceanic’s, their batteries and their clones.

Don Killips takes us through a 3-part series on All American Five Radios: how they work, how they evolved, and some unusual quirks he has uncovered from his experience servicing them over his long career.

Don Killips takes us through a 3-part series on All American Five Radios: how they work, how they evolved, and some unusual quirks he has uncovered from his experience servicing them over his long career.

Don Killips takes us through a 3-part series on All American Five Radios: how they work, how they evolved, and some unusual quirks he has uncovered from his experience servicing them over his long career.

Before flatscreens, before digital, even before transistors, the early TVs used vacuum tubes in circuits reminiscent of AM radios of the day. Our own Don Killips was a pioneer in servicing these vacuum tube sets and leads us through a detailed description of how they work, what test equipment is needed to service them, and his experiences operating a sales and service business.

Vacuum Tube TVs How They Work Part 1 of 2

Built in the early 1920’s the Rugby Radio station in England was the largest radio transmitting station in the world. Designed as a very low frequency (VLF) transmitter, the station was designated GBR and used originally to transmit messages across the Commonwealth and later to submerged submarines during the cold war. Our own Don Cheeseman worked there during his career and gives us an insider...

Built in the early 1920’s the Rugby Radio station in England was the largest radio transmitting station in the world. Designed as a very low frequency (VLF) transmitter, the station was designated GBR and used originally to transmit messages across the Commonwealth and later to submerged submarines during the cold war. Our own Don Cheeseman worked there during his career and gives us an insider...

Who invented radio? Was it David Edward Hugues in 1879? Amos Dolbear? (who?) Nathan Stubblefield? J. C. Bose? Alexander Popov? Our own Murray Dickerson, as well prepared with in-depth research as ever, leads us through a controversial look at the names, the exploits, and the achievements of the electrical pioneers during the nineteenth and early twentieth centuries. His conclusion? It’s all in ...

Who invented radio? Was it David Edward Hugues in 1879? Amos Dolbear? (who?) Nathan Stubblefield? J. C. Bose? Alexander Popov? Our own Murray Dickerson, as well prepared with in-depth research as ever, leads us through a controversial look at the names, the exploits, and the achievements of the electrical pioneers during the nineteenth and early twentieth centuries. His conclusion? It’s all in ...

Who Invented Radio Part 3 of 3

Capacitor Testing and the ESR Meter

Making Plastic Boxes

The Fessenden Connection with Bob Fessenden