Communications, Navigation And Surveillance Solutions. CNS Systems provides both products and services. The CNS Clock II is a GPS clock with high accuracy one-pulse-per-second and 10MHz outputs. Now comes standard with a high performance OCXO oscillator and Tac32Plus software. Customized versions are available if you have special needs. The manual is available here. Embodies everything we have learned over the years about what users need to set up and manage a precision timing station.

A web site dedicated to precise Time and Frequency. Twenty years ago I wanted to build a LED digital analog clock that would be accurate to better than one second per year - so I would have the fun of adjusting it when a leap second occurred. A man with two clocks is never sure. For GENIUS by Stephen Hawking.

Past JB VLBI Experiment Information. MK4 VC Upgrade Manual by D. Telescope Slew and Cable Wrap.