Difference Between Algorithms for Circular T 384 for Labs Linked by TW
| Lab | UTC Wt | Mode | Mode σB | UB, k Instantaneous | UB, k PPH | UB, k Semi-historical | UB, k Ratio semi/PPH |
|---|---|---|---|---|---|---|---|
| Acronym | Not norm. | Type | ns | ns | ns | ns | Fraction |
| PTB | 3.4 | GPS | 1.3 | 0.5 | 1.3 | 1.3 | 1.03 |
| CH | 1.6 | TW | 1.9 | 1.9 | 1.9 | 2.3 | 1.21 |
| IT | 0.3 | TW | 1.3 | 1.4 | 1.3 | 1.8 | 1.45 |
| NIST | 5.0 | TW | 1.9 | 1.9 | 1.9 | 2.3 | 1.24 |
| NPL | 2.0 | TW | 3.2 | 3.2 | 3.2 | 3.5 | 1.06 |
| OP | 4.9 | TW | 1.3 | 1.3 | 1.3 | 1.8 | 1.37 |
| ROA | 0.9 | TW | 1.6 | 1.7 | 1.7 | 2.1 | 1.25 |
| SP | 6.5 | TW | 1.3 | 1.3 | 1.3 | 1.8 | 1.37 |
| USNO | 24.4 | TW | 1.2 | 1.0 | 1.3 | 1.8 | 1.40 |
| VSL | 0.2 | TW | 1.4 | 1.5 | 1.4 | 1.9 | 1.32 |