Articles
Long-form articles on radio history, receiver technology, circuit documentation, electromagnetic waves and the technical development of wireless communication.
From Workshop Sheet to Netlist
The Schematic Diagram as a Technical Language
How circuit diagrams evolved from practical workshop drawings into a formal technical language for electronics, documentation and netlists.
From Crystal Detector to Software Defined Radio
The Technical Development of Radio Receivers
A technical history of radio receivers, from crystal detectors and vacuum tubes to transistors, integrated circuits and SDR.
Women in the Evolution of Radio and Receiver Engineering
From Wireless Telegraphy to Software Defined Radio
A technical and historical look at women whose work shaped radio operation, propagation, radar, microwaves, semiconductors and SDR.
What Is an Electromagnetic Wave?
The Physics Behind Radio — Chapter 1
A readable introduction to electromagnetic waves, fields, energy flow and the physical basis of radio communication.