UTC(AUS) vs selected GPS-disciplined oscillators for May, 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 | 60796 | -5.9e-14 | 1.4e-10 | 6.6e-12 | 1.8e-12 | 5.7e-13 | 1.8e-14 | 1.7e-10 | 7.7e-12 | 1.6e-12 | 4.9e-13 | 1.7e-14 | 6.8e-12 | 5.2e-12 | 1.0e-12 | 3.2e-13 |
| 2 | 60797 | -1.6e-14 | 1.4e-10 | 5.8e-12 | 2.0e-12 | 5.6e-13 | 6.7e-14 | 1.7e-10 | 7.6e-12 | 1.8e-12 | 5.7e-13 | 6.4e-14 | 6.6e-12 | 5.2e-12 | 1.3e-12 | 4.3e-13 |
| 3 | 60798 | 5.3e-14 | 1.5e-10 | 5.5e-12 | 1.9e-12 | 5.7e-13 | 1.2e-13 | 1.7e-10 | 7.8e-12 | 1.7e-12 | 5.8e-13 | 1.3e-13 | 6.6e-12 | 5.2e-12 | 1.3e-12 | 4.5e-13 |
| 4 | 60799 | -1.3e-14 | 1.5e-10 | 5.9e-12 | 1.9e-12 | 4.9e-13 | 4.2e-14 | 1.7e-10 | 7.6e-12 | 1.5e-12 | 6.7e-13 | 4.6e-14 | 6.8e-12 | 5.1e-12 | 1.0e-12 | 5.5e-13 |
| 5 | 60800 | -1.1e-14 | 1.5e-10 | 6.2e-12 | 1.9e-12 | 4.9e-13 | 6.2e-14 | 1.7e-10 | 7.7e-12 | 1.6e-12 | 7.4e-13 | 4.9e-14 | 6.8e-12 | 5.1e-12 | 1.2e-12 | 6.1e-13 |
| 6 | 60801 | 4.9e-15 | 1.5e-10 | 6.2e-12 | 1.7e-12 | 5.8e-13 | 6.9e-14 | 1.7e-10 | 8.0e-12 | 1.6e-12 | 5.4e-13 | 7.4e-14 | 7.1e-12 | 4.8e-12 | 1.0e-12 | 3.8e-13 |
| 7 | 60802 | -3.3e-14 | 1.5e-10 | 6.2e-12 | 1.7e-12 | 7.3e-13 | 2.3e-14 | 1.7e-10 | 7.9e-12 | 1.5e-12 | 5.0e-13 | 3.5e-14 | 6.6e-12 | 4.9e-12 | 8.8e-13 | 3.2e-13 |
| 8 | 60803 | -1.2e-13 | 1.5e-10 | 6.4e-12 | 1.8e-12 | 6.2e-13 | -4.6e-14 | 1.7e-10 | 8.2e-12 | 1.6e-12 | 5.0e-13 | -4.0e-14 | 6.8e-12 | 5.7e-12 | 1.1e-12 | 3.4e-13 |
| 9 | 60804 | -8.8e-14 | 1.5e-10 | 6.6e-12 | 1.8e-12 | 7.1e-13 | 1.3e-14 | 1.8e-10 | 8.4e-12 | 1.6e-12 | 5.3e-13 | 8.2e-15 | 6.9e-12 | 5.5e-12 | 1.1e-12 | 3.8e-13 |
| 10 | 60805 | -7.6e-14 | 1.4e-10 | 6.1e-12 | 1.8e-12 | 6.6e-13 | -3.4e-15 | 1.7e-10 | 8.2e-12 | 1.5e-12 | 4.8e-13 | 2.6e-16 | 6.7e-12 | 5.5e-12 | 1.1e-12 | 3.6e-13 |
| 11 | 60806 | -1.7e-13 | 1.4e-10 | 5.8e-12 | 1.7e-12 | 6.1e-13 | -7.5e-14 | 1.7e-10 | 8.0e-12 | 1.4e-12 | 4.1e-13 | -7.6e-14 | 6.4e-12 | 5.4e-12 | 9.9e-13 | 2.9e-13 |
| 12 | 60807 | -1.3e-13 | 1.5e-10 | 5.6e-12 | 1.7e-12 | 6.2e-13 | -5.6e-14 | 1.7e-10 | 8.1e-12 | 1.6e-12 | 5.7e-13 | -6.1e-14 | 6.6e-12 | 4.9e-12 | 1.1e-12 | 4.6e-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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