Table 2
Different types of windows defined depending on the magnitude of the source.
| Window class | Type | AF | BP/RP |
| WC0 | 2D | G ≤ 13 | G ≤ 11.5 |
| WC1 | Long 1D | 13 <G ≤ 16 | 11.5 <G ≤ 16 |
| WC2 | Short 1D | G> 16 | G> 16 |
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