This is a short list of the metering 'tax' pulse or billing tone frequencies used in various countries.  27-Jan-97

"Tax Pulse" frequencies for various countries:
Country	Frequency
Austria	12 kHz
Belgium	16 kHz
Switzerland	12 kHz
Germany	16 kHz
Denmark	12 kHz
Spain	12 kHz
France	12 kHz
Great Britain (U.K.)	50 Hz*
Greece	16 kHz
Italy	12 kHz
Ireland	12 kHz
Israel	16 kHz
Norway	16 kHz
Netherlands	50 Hz*
Portugal	12 kHz
Sweden	12 kHz
Finland	16 kHz
Turkey	12 kHz
Yugoslavia	16 kHz
Australia	12 kHz
Czechoslovakia	16 kHz
* Common-mode (longitudinal) signal