Chapter 3
Radio astronomy
Links to WWW resourcesThe major radio surveys....................................142 Microwave background.......................................143 Selected discrete radio sources............................145 The brightest radio sources visible in the northern hemisphere...............................................148 Radio spectra..............................................150 Radio flux calibrators.....................................151 Radio propagation effects..................................153 The Earth's atmosphere....................................153 Interplanetary medium.....................................153 Interstellar medium (delay and Faraday rotation)..........154 Interstellar medium (scintillation).......................155 Atmospheric opacity........................................155 Ionospheric electron density...............................156 Spectral features..........................................157 Bibliography...............................................157