CSACSRS RbCs 5071AMHM MaserNPL FountainMuquansSpectraDynamicsDSACVectorAtomicInfleqtionOpticlockQuantxCASLENS PTBSKOLTECHRIKENIPAS YbIPAS RbVescentAFRL1.0e+71.0e+81.0e+91.0e+101.0e−151.0e−141.0e−131.0e−121.0e−11
OPTICAL, RESEARCHOPTICAL, COMMERCIALMICROWAVE, RESEARCHMICROWAVE, COMMERCIALTAU = 1000sTAU = 10,000sSize, Weight and Power (cm³kgW)Fractional Frequency Stability (ADEV)B. White 2025GPS:1e3sGPS:1e4sGPS:1e5sPLAYSTATION 5FAMILY FRIDGE