Open Access
Table 2
Autoscaling results of the oblique ionograms data set of 360 ionograms recorded between September 1, 2016 and September 30, 2016. Accurate cases (ǀMUFOISA−MUFOperatorǀ≤0.5 MHz) are a subset of acceptable cases (ǀMUFOISA−MUFOperatorǀ≤1.5 MHz).
| Scaled by OIASA | Discarded by OIASA | |||
|---|---|---|---|---|
| No. of cases | % | No. of cases | % | |
| The Operator did not scale the MUF | 0 | 0 | 9 | 26.5 |
| The operator scaled the MUF | 326 | 100.0 | 25 | 73.5 |
| Total | 326 | – | 34 | – |
| Scaled by OIASA and the operator | ||
|---|---|---|
| No. of cases | % | |
| Accurate | 173 | 53.0 |
| Acceptable (including accurate) | 288 | 88.3 |
| Poor | 38 | 11.7 |
| Total | 326 | – |
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