IPS presentation - IPS - Radio and Space Services
IPS presentation - IPS - Radio and Space Services
IPS presentation - IPS - Radio and Space Services
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GICs in Power Networks<br />
[Richard Marshall, Liz Smith]<br />
300<br />
GIC Occurrences > 50<br />
200<br />
Cycle 22 Cycle 23<br />
180<br />
250<br />
160<br />
GIC Index<br />
200<br />
150<br />
Peak of geomagnetic activity<br />
on downslope of cycle<br />
140<br />
120<br />
100<br />
80<br />
60<br />
Sunspot Number<br />
100<br />
40<br />
20<br />
50<br />
0<br />
1985 1990 1995<br />
Time<br />
2000 2005 2010<br />
HBT CNB GNA ASP LRM CTA KDU Sunspot
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