Radio frequency observations of lightning discharges by the forte satellite.
Conference
·
OSTI ID:976154
- Xuan-Min
- Tracy E.
- David M.
FORTE-observed VHF signatures for different lightning discharges are presented. For in-cloud discharges, a pulse pair is typically recorded and is named a 'transionospheric pulse pair' (TIPP). Many intense TIPPs are coherent and polarized, whereas initial and dart leaders do not show a recognizable degree of polarization. TIPPs are optically weaker than cloud-to-ground (CG) strokes, and stronger VHF TIPPs are optically darker. About 10% of CG strokes, mostly over seawater, produce extremely narrow, powerful VHF pulses at the very beginning of the return strokes. These narrow pulses are found to form an upward beam pattern.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 976154
- Report Number(s):
- LA-UR-02-2149; TRN: US201009%%366
- Resource Relation:
- Conference: Submitted to: XXVIITH General Assembly of the International Union of Radio Science, Aug. 17-24, 2002, Maastrich, The Netherlands
- Country of Publication:
- United States
- Language:
- English
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