Por |
Coles, W.A.; Harmon, J. K.; Sulzer, M. P.; Chau Chong Shing, Jorge Luis; Woodman Pollitt, Ronald Francisco
(American Geophysical Union, 2006-04)
We have made 16 unsuccessful attempts, in February and October 2003, and February 2004, to observe solar echoes using the 50 MHz radar at Jicamarca in Peru. The upper bound that we have determined on the solar cross section is significantly lower than the average of earlier reported observations. In ...