The surprising silence of DRM transmissions in Brazil: Interview with Francisco Braccini
Our Brazilian correspondent Martin Butera interviews Francisco Braccini about the status of DRM in Brazil.
The Sun, Radio Propagation and the Brasilia Planetarium
Martin Butera takes a look at how the sun impacts radio propagation, with a bonus photo-tour of the Brasilia Planetarium.
Visit to Rádio Nacional da Amazônia
Rádio Nacional da Amazônia, the largest complex of medium transmitters and shortwave transmitters in Latin America and the fifth most powerful transmitting station in the…