The following is the result of a literature survey for references to spacecraft and balloon missions which already have contributed to Gamma Ray Burst source research, or which are in the planning.
Helios 2, a German/NASA interplanetary spacecraft, was the first space mission to carry equipment designed specifically for GRB-work.
The Signe 3 satellite must not be confused with the Signe-experiment on board Prognoz and Venera spacecraft.
A record: 12 detectors on 9 spacecraft measured the 1979 March 5 event (Nature 285, p.383 (1980), Ap.Sp.Sc. 75, p.99, (1981)).
Solwind was destroyed during SDI-experiments, while still active.