Time and freq. distribution
Since August 2012 the atomic frequency standard produced by a T4Science® Hydrogen Maser (enclosed in a fully dedicated temperature controlled cooling box) is in operation. A monitoring program of all its operating parameters has been implemented. Timing offset with respect to GPS has shown a small overall long term drift that we will manage to keep within 6 μs per year, with a single annual reset. A Rubidium standard as an emergency backup of the H-Maser is available.
For the antenna pointing an IRIG-B generator synchronizes the antenna control unit. We are currently in the process to improve both the timing resolution and overall reliability, by putting on line a new CNS® II timing GPS module.
After the completion of the civil infrastructures, the timing station based on two Cesium clocks moved to the SRT site.