Abstract
Using an eight-station time of arrival (TOA) network composed of NaI(Tl) scintillation detectors and wideband electric field derivative (dE/dt) antennas covering approximately 1 km2 on the ground, we have located both the sources of X-ray emissions and electric field changes produced during the leader phase of both downward negative natural and rocket-triggered lightning strokes. We show that the sources of X rays and leader step electric field changes are co-located in space within 50 m and that the located X rays are emitted 0.1 to 1.3 μs after the origin of the leader step electric field changes.
| Original language | English |
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| Article number | L13817 |
| Journal | Geophysical Research Letters |
| Volume | 35 |
| Issue number | 13 |
| DOIs | |
| State | Published - Jul 16 2008 |