What was your first major receiver?
I started in the ham radio and shortwave listening hobby in 1972. By 1975, this was my first real...
Category: vacuum tube
via HACKADAY: Making a Solid State 6AK8 Tube
had a project in mind: replacing a common vacuum tube with a solid-state equivalent….
via HACKADAY: Making a Crystodyne Radio With Zinc Oxide and Cat’s Whiskers
During the first half of the 20th century radio technology was booming, albeit restricted by…