Por |
Nicolls, Michael J.; Kelley, Michael C.; Chau Chong Shing, Jorge Luis; Veliz, Oscar; Anderson, David; Anghel, Adela
(Elsevier, 2007-03-24)
Four years of magnetometer data from two locations in Peru, one at the equator and one off the equator, have been converted to electric fields and their frequency characteristics (fluctuation spectra) examined. In the frequency range from 0.1 to 30 cycles per hour, the average spectrum monotonically ...