The participating observatories and observing stations of the Radio Astronomy Association Switzerland are shown in the Map of Observers.

New observers are welcome at any time!

SWISS-MUHEN   Solar Radio Spectrometer of Peter Hirt
- station of international e-Callisto network
- two channels for measurements of polarisation
- frequency range 20 - 80 MHz
- Equipment and Recordings

MUHEN   Geiger-Müller counter of Peter Hirt
- Equipment and Recordings

VALLENSIS   Receiver of VLF-Emitters of Robert Glaisen
- designed for the recording of Sudden Ionospheric Disturbances (SID)
- magnetic loop antenna with 40 convolutions
- frequency range 4 - 96 kHz
- Equipment and Recordings