2 Sep
2014
2 Sep
'14
12:31 a.m.
http://solarsystem.nasa.gov/missions/profile.cfm?MCode=Pioneer_11
It was the first spacecraft to reach Saturn.
As I remember, the observations it made indicated more details in the ring structure than could be observed by ground-based telescopes. That was confirmed over a year later by Voyager 1.
73s
Bernhard VA6BMJ @ DO33FL