Table 1
Maximum peak-to-peak electric fields for the Halloween 2003 magnetic storm averaged (see Methods Sect. 2.2) in directions delineated by the 12 high-voltage (HV) transmission lines shown in Figure 1 and their associated transmission-line voltages.
E′/E
percentages are the magnitudes of quantities estimated using 
relative to those estimated using
Z
ij
.
| Line number (Fig. 1) | Length (km) | Maximum electric field averaged along HV line (V/km) |
Voltage (V) |
E′/E (%) | ||
|---|---|---|---|---|---|---|
| From Z ij | From 
|
From Z ij | From 
|
|||
| Line 1 | 127 | 5.151 | 5.105 | 654 | 648 | 99 |
| Line 2 | 92 | 2.265 | 2.177 | 208 | 200 | 96 |
| Line 3 | 67 | 2.704 | 2.297 | 181 | 154 | 85 |
| Line 4 | 93 | 7.226 | 5.599 | 672 | 521 | 77 |
| Line 5 | 198 | 5.467 | 4.751 | 1082 | 941 | 87 |
| Line 6 | 109 | 4.744 | 4.461 | 517 | 486 | 94 |
| Line 7 | 75 | 3.357 | 0.862 | 252 | 65 | 26 |
| Line 8 | 94 | 3.254 | 2.349 | 306 | 221 | 72 |
| Line 9 | 58 | 5.150 | 5.019 | 299 | 291 | 97 |
| Line 10 | 106 | 2.991 | 2.787 | 317 | 295 | 93 |
| Line 11 | 85 | 3.698 | 3.254 | 314 | 277 | 88 |
| Line 12 | 79 | 2.464 | 2.274 | 195 | 180 | 92 |
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