> WRTC2002 Propagation home

Ionospheric Grayline Maps

The propagation forecast does not take into account the grayline phenomenon.
The maps below fill this gap.

July 13, 2002 12 UTC 13 UTC 14 UTC 15 UTC 16 UTC 17 UTC 18 UTC 19 UTC 20 UTC 21 UTC 22 UTC 23 UTC

July 14, 2002 00 UTC 01 UTC 02 UTC 03 UTC 04 UTC 05 UTC 06 UTC 07 UTC 08 UTC 09 UTC 10 UTC 11 UTC 12 UTC