White Papers available:
  Lightning Protection
  NTP and PTP Time Transfer, Part 2
  NTP and PTP Time Transfer, Part 1
  Selecting Oscillator Technologies
  Time & Frequency References in DVB/DTV
  Time To Lock a GPS Rx
  SAASM - A Novel Approach
  Direct Digital Synthesizer Implementation
  Fully Redundant, No Single Point Failure System 2 - Multi Channel
  Fully Redundant, No Single Point Failure System 1 - Seamless
  Phased Array Radar
  Designing for Optimized Stability
  Phase Noise / Jitter
  Designing for Low Phase Noise
  Frequency, Time and Timing Handbook