Amateur radio (also called ham radio) describes the use of radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communication.
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Showing posts with label electronic tubes. Show all posts
Showing posts with label electronic tubes. Show all posts
The repair of old devices, and the ability to make new ones with old tubes. Like analog sound, it keeps us all interested in electronic tubes. I happen to have bought a serious stock of small tubes. I am often asked to send new tubes from the old stock I have.
