Twenty-four delegates from across Europe and the United States are at Goonhilly Earth Station to learn about satellite communications, and how to control orbiting spacecraft.
Staff said they believed it was the only course of its type in Europe teaching how to operate such equipment.
Goonhilly was the first site to receive TV images via the Telstar satellite in the 1960s.
The four-day course, which runs until Friday, is aimed at giving science graduates with an interest in working in the space industry a first-hand idea of operating satellites.
The delegates are being taught by space scientists, including members of the team which flew the Beagle 2 Mission to Mars.
Goonhilly, on The Lizard peninsula, was built in 1962 and played a key role in the broadcasting of events including the Olympic Games, the Apollo 11 Moon landing, and 1985's Live Aid concert.
It was closed in 2008 by BT, which moved operations to Herefordshire.
Goonhilly Earth Station Limited (GES) bought the site near Helston in 2011 to create a space science centre for space exploration and science research.
A course for space mission controllers has started in Cornwall.