Table 3 Dimensional r.m.s. of the residuals to an AR-2 fit at several observatory sites
\(\sqrt {\eta }\) | (nT) | 3.3 | 10.0 | 33.3 | \(\sqrt {\eta }\) | (nT) | 3.3 | 10.0 | 33.3 |
|---|---|---|---|---|---|---|---|---|---|
| Â | X | 9.3 | 10.1 | 11.9 | Â | X | 8.1 | 8.6 | 9.6 |
KAK | Y | 2.5 | 2.9 | 4.3 | HER | Y | 1.8 | 2.6 | 4.5 |
| Â | Z | 7.3 | 8.2 | 10.4 | Â | Z | 3.2 | 3.4 | 6.6 |
| Â | X | 8.1 | 8.4 | 9.1 | Â | X | 13.7 | 14.3 | 15.0 |
ESK | Y | 4.1 | 4.5 | 5.3 | SIT | Y | 6.1 | 6.4 | 7.4 |
| Â | Z | 9.4 | 11.0 | 13.1 | Â | Z | 13.5 | 14.9 | 16.4 |
| Â | X | 11.0 | 12.5 | 15.2 | Â | X | 10.6 | 11.2 | 12.7 |
ABG | Y | 4.4 | 4.9 | 6.4 | GUA | Y | 1.9 | 2.2 | 3.5 |
| Â | Z | 8.7 | 9.7 | 13.0 | Â | Z | 3.4 | 4.3 | 8.4 |