Pendulum Instruments, a company of Sweden’s Orolia Group, has combined two major timing and navigation satellite systems, GPS and the Russian GLONASS, to improve the precision and signal coverage. Called GPS-12RG, the instrument is a further development of the company's successful GPS-12R, which uses the GPS satellites to control its output frequency. The GPS-12RG can trace its operation to both GPS and GLONASS satellites, and contains a very-high stability Rubidium atomic clock. It is a compact one-box-solution, containing also an optional internal battery for use as UPS backup power on the bench, for warm-keeping of the oscillator during transport or for mains-free operation in the field.

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The internal Rubidium oscillator gives excellent stability of a few parts in 10^-12. It can be used as a very accurate frequency calibrator for calibration labs, institutes, electronic industry as well as in telecom, according to Pendulum Instruments..

The instrument will be available starting next month, according to the developer.

www.pendulum-instruments.com