AMARR: Radar
MINMATAR: Ladar
CALDARI: Gravimetric
GALLENTE: Magnetometric

*Damage type*
Amarr Navy - EM/Therm
Angel Cartel - Explosive/Kinetic some Therm/EM
Blood Raider - Therm/EM
Caldari Navy - Kinetic (lots), some Therm
Drones - Mix (Exp)
Guristas - Kinetic / Thermal
Mercenary - Mix (Kin/Therm mostly)
Sansha's Nation - EM / Thermal
Serpentis - Thermal / Kinetic

*Damage types to use* Best -- Worst
Angel - Explosive, Kinetic, Thermal, EM
Amarr Navy - EM, Thermal, Kinetic, Explosive
Caldari Navy - Kinetic, Thermal, Explosive, EM
Gurista - Kinetic, Thermal, Explosive, EM
Blood - EM, Thermal, Kinetic, Explosive
Drones - EM, Thermal, Kinetic, Explosive
Sansha - EM, Thermal, Kinetic, Explosive
Serpentis - Kinetic, Thermal, EM, Explosive
Mercenary - Thermal, Kinetic

1 AU = 149 598 000 km