[keps] SO-67 Added Back In and ARISSAT1 Removed

It appears that the rumors of the demise SumbandilaSat (SO-67, Cat# 35870)may have been greatly exaggerated. A rescue effort is taking place. See the following website - www.amsatsa.org.za Thus SO-67 has been added back in to the KEPs distribution.

ARISSAT1 (Cat# 37772) has been dropped.