The updated Jaguar RWR was not from the Vulcan. The main boxes were the same size, except for the indicator which had to be shorter so it's deflection amplifiers were in a separate box.
The Vulcan had ARI 18228/6 the Jaguar gained the ARI 18228/13PD which was a digital version (Skyguardian) and instead of coded lines had a 3 character identifier for idents.
Chinook_Puma were updated to Skyguardian as well. The ex Tornado RWET was converted to Skyguardian for Helicopter crew training as was the Free Standing Trainer.
Skyguardian immediately identified by its black screen vice analogue white screen