UTC(AUS) vs selected GPS-disciplined oscillators for June, 2025
| Day | MJD | Unit A | Unit B | Unit C | Unit D |
|---|
| frac freq offset | ADEV | frac freq offset | ADEV | frac freq offset | ADEV | frac freq offset | ADEV |
|---|
| 1 min | 30 mins | 3 hrs | 12 hrs | 1 min | 30 mins | 3 hrs | 12 hrs | 1 min | 30 mins | 3 hrs | 12 hrs | 1 min | 30 mins | 3 hrs | 12 hrs |
|---|
| 1 | 60827 | -6.8e-14 | 1.4e-10 | 6.1e-12 | 1.6e-12 | 6.1e-13 | -3.0e-14 | 1.6e-10 | 7.5e-12 | 1.4e-12 | 4.6e-13 | -2.9e-14 | 6.5e-12 | 4.6e-12 | 9.5e-13 | 3.5e-13 |
| 2 | 60828 | 6.4e-15 | 1.4e-10 | 6.2e-12 | 1.6e-12 | 7.3e-13 | 7.3e-14 | 1.7e-10 | 7.6e-12 | 1.4e-12 | 4.1e-13 | 6.6e-14 | 6.5e-12 | 4.5e-12 | 9.3e-13 | 2.6e-13 |
| 3 | 60829 | 3.1e-14 | 1.4e-10 | 6.5e-12 | 1.6e-12 | 8.3e-13 | 1.4e-13 | 1.7e-10 | 7.5e-12 | 1.4e-12 | 3.6e-13 | 1.5e-13 | 6.8e-12 | 4.5e-12 | 8.8e-13 | 2.4e-13 |
NOTES
- UTC(AUS) is the output of a designated caesium beam standard.
- The fractional frequency offset is calculated from the slope of a least squares fit to 2 days of phase data.
- A positive value of the fractional frequency offset means that the frequency is high with respect to UTC(AUS).
- ADEV is the fractional Allan Deviation (Hz/Hz).
- TCXO = temperature compensated crystal oscillator.
- OCXO = oven controlled crystal oscillator.
If you have any questions, please contact time@measurement.gov.au
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