UTC(AUS) vs selected GPS-disciplined oscillators for September, 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 | 60919 | -7.4e-14 | 1.5e-10 | 6.5e-12 | 1.6e-12 | 8.5e-13 | -5.6e-14 | 1.6e-10 | 7.7e-12 | 1.5e-12 | 3.7e-13 | -7.4e-14 | 6.4e-12 | 5.6e-12 | 1.0e-12 | 2.9e-13 |
| 2 | 60920 | -1.0e-13 | 1.5e-10 | 6.5e-12 | 1.9e-12 | 7.3e-13 | -5.6e-14 | 1.6e-10 | 7.5e-12 | 1.5e-12 | 4.8e-13 | -5.9e-14 | 6.5e-12 | 5.0e-12 | 1.1e-12 | 3.8e-13 |
| 3 | 60921 | 1.4e-14 | 1.5e-10 | 6.5e-12 | 1.8e-12 | 9.5e-13 | 8.3e-14 | 1.7e-10 | 8.2e-12 | 1.6e-12 | 4.6e-13 | 7.9e-14 | 6.6e-12 | 5.2e-12 | 1.1e-12 | 4.1e-13 |
| 4 | 60922 | -1.6e-13 | 1.5e-10 | 6.5e-12 | 1.7e-12 | 8.5e-13 | -1.2e-13 | 1.7e-10 | 8.5e-12 | 1.7e-12 | 4.5e-13 | -1.2e-13 | 6.4e-12 | 5.1e-12 | 1.0e-12 | 2.8e-13 |
| 5 | 60923 | -1.0e-13 | 1.5e-10 | 6.4e-12 | 1.8e-12 | 8.6e-13 | -4.8e-14 | 1.6e-10 | 7.8e-12 | 1.5e-12 | 4.0e-13 | -5.8e-14 | 6.4e-12 | 5.0e-12 | 1.0e-12 | 2.4e-13 |
| 6 | 60924 | -3.2e-14 | 1.5e-10 | 6.3e-12 | 1.7e-12 | 6.0e-13 | 2.6e-14 | 1.7e-10 | 7.5e-12 | 1.4e-12 | 5.4e-13 | 2.5e-14 | 6.6e-12 | 5.0e-12 | 9.7e-13 | 4.1e-13 |
| 7 | 60925 | -5.9e-14 | 1.5e-10 | 6.1e-12 | 1.6e-12 | 5.7e-13 | 2.2e-14 | 1.7e-10 | 7.8e-12 | 1.4e-12 | 5.5e-13 | 2.2e-14 | 6.6e-12 | 5.0e-12 | 9.3e-13 | 4.1e-13 |
| 8 | 60926 | -4.4e-14 | 1.5e-10 | 6.3e-12 | 1.7e-12 | 5.3e-13 | 1.9e-14 | 1.6e-10 | 8.1e-12 | 1.5e-12 | 6.8e-13 | 7.9e-15 | 6.4e-12 | 5.0e-12 | 1.0e-12 | 5.6e-13 |
| 9 | 60927 | -1.4e-14 | 1.5e-10 | 6.5e-12 | 1.8e-12 | 7.3e-13 | 5.7e-14 | 1.7e-10 | 8.3e-12 | 1.6e-12 | 4.9e-13 | 6.3e-14 | 6.5e-12 | 5.4e-12 | 9.8e-13 | 3.6e-13 |
| 10 | 60928 | -1.8e-13 | 1.4e-10 | 6.1e-12 | 1.5e-12 | 5.5e-13 | -1.3e-13 | 1.7e-10 | 7.9e-12 | 1.6e-12 | 5.6e-13 | -1.3e-13 | 6.7e-12 | 5.1e-12 | 1.0e-12 | 3.9e-13 |
| 11 | 60929 | -4.0e-14 | 1.4e-10 | 6.2e-12 | 1.5e-12 | 4.3e-13 | 2.8e-14 | 1.6e-10 | 7.5e-12 | 1.5e-12 | 6.6e-13 | 3.2e-14 | 6.5e-12 | 4.8e-12 | 9.6e-13 | 5.3e-13 |
| 12 | 60930 | 3.2e-14 | 1.5e-10 | 6.5e-12 | 1.7e-12 | 5.7e-13 | 1.0e-13 | 1.7e-10 | 7.5e-12 | 1.5e-12 | 5.1e-13 | 9.9e-14 | 6.6e-12 | 5.1e-12 | 9.2e-13 | 4.0e-13 |
| 13 | 60931 | -7.8e-15 | 1.5e-10 | 5.8e-12 | 1.5e-12 | 5.2e-13 | 6.3e-14 | 1.7e-10 | 7.6e-12 | 1.4e-12 | 4.8e-13 | 6.9e-14 | 6.8e-12 | 5.1e-12 | 9.1e-13 | 3.6e-13 |
| 14 | 60932 | -2.3e-15 | 1.5e-10 | 5.4e-12 | 1.4e-12 | 4.4e-13 | 4.5e-14 | 1.7e-10 | 7.6e-12 | 1.4e-12 | 5.7e-13 | 4.7e-14 | 6.7e-12 | 4.8e-12 | 9.1e-13 | 4.5e-13 |
| 15 | 60933 | -2.1e-14 | 1.5e-10 | 6.4e-12 | 1.6e-12 | 4.6e-13 | 3.5e-14 | 1.7e-10 | 7.9e-12 | 1.7e-12 | 9.6e-13 | 2.7e-14 | 6.5e-12 | 4.5e-12 | 1.2e-12 | 8.4e-13 |
| 16 | 60934 | 6.1e-14 | 1.5e-10 | 6.2e-12 | 1.7e-12 | 4.6e-13 | 1.3e-13 | 1.7e-10 | 7.9e-12 | 1.8e-12 | 7.9e-13 | 1.4e-13 | 6.5e-12 | 4.4e-12 | 1.2e-12 | 6.7e-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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