Question E3B09
From subelement E3 - E3B
E3B09
Answer: AAt what time of year is sporadic-E propagation most likely to occur?
AAround the solstices, especially the summer solstice
BAround the solstices, especially the winter solstice
CAround the equinoxes, especially the spring equinox
DAround the equinoxes, especially the fall equinox