| CW.C3 | Three years of depot calibration coverage based on the R&S recommended calibration interval - includes test data. |
| CW.C5 | Five years of depot calibration coverage based on the R&S recommended calibration interval - includes test data. |
| CW.R3 | Three years of depot repair coverage, including re-calibration if necessary to complete the repair. |
| CW.R5 | Five years of depot repair coverage, including re-calibration if necessary to complete the repair. |