Atomic-Clock-Summary.md

HP (Agilent)

Model Beam Source Frequency Accuracy Frequency Settability Release Date Notes
HP 5060A Cesium 2E-11 ? 1964 -
HP 5061A Cesium 1E-11 1E-11 1968 -
HP 5061B Cesium 3E-12, 2E-12 (Option 004) 7E-13, 1E-13 (Option 004) 1987 -
HP 5062C Cesium 3E-11 2E-12 ? -
HP 5065A Rubidium 5E-13 2E-12 1979 -
HP 5071A Cesium 1E-12, 5E-13 (Option 001) 6.3E-15 1993 -

| 58000A
58503A
E1750A
E1752A
55000
58502A
58503B
58533A

FLUKE (Philips)

Model Beam Source Frequency Accuracy Frequency Settability Release Date Notes
PM6685R Rubidium 1E-10 ? -
910R Rubidium 1E-12 ? -

Datum & Symmetricom

Datum FTS 4060

X72

TIMETECH

Reference

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