22 GHz = 13.5 mm
37 GHz = 8.2 mm
87 GHz = 3.4 mm

1994

March
Mar 16, 1994 (37 GHz)
Mar 30, 1994 (37 GHz)

November
Nov 12, 1994 (37 GHz)
Nov 18, 1994 (37 GHz)

December
Dec 14, 1994 (87 GHz)