Time Broadcasting Services

HBG : Technical Data

Installation Location: CH-1197 Prangins (VD)
46° 24' N, 6° 15' E
Frequency: 75 kHz, derived from a cesium frequency standard. The carrier frequency is maintained within 2 × 10 -12 at 75 kHz.
Rated output: 20 kW
Radio diffusion: Omnidirectional antenna
Time code: Second markers; complete date information in BCD code, corresponding to the legal Swiss time: UTC (CH) + 1h (Central European Time CET) or UTC (CH) + 2h (Central European Summertime - CEST).
Range:

The expected signal strength can be seen from the following map. The groundwave is dominant up to a distance of 500 km. In the range 500 to 1000 km, the wave reflected from the upper atmospheric layers is as strong as the groundwave. Interference effects are expected in this range.