Approximate Module stacking efficiencies:
1: 100%
2: 86.9%
3: 57.1%
4: 28.2%

Angel Exp/Kin (Exp)
Amarr Navy EM/Therm (Therm)
Blood Raiders EM/Therm (EM)
Caldari Kin/Therm (Therm / Kin for Temuras)
Gallente Kin/Therm (Therm)
Guristas Kin/Therm (Kin)
Khanid EM/Therm (Therm)
Minmatar Fleet Therm/Exp (Therm / Exp for Darkanas)
Mercenary EM/Therm/Kin (Therm)
Mordus Kin/Therm (Kin)
Odamian Kin/Therm
Drones - all Dmg types (EM)
Rogue Pirate EM/Exp/Kin
Sansha EM/Therm (EM)
Serpentis Kin/Therm (Therm)


Gravimetric: Hidden asteroid belts
Magnetometric: Archaeology/Salvage
Radar: Hacking
Ladar: Gas Cloud sites