Resist holes
T1 - Caldari/Minmatar - EM (Since most of the T1 ships shield tank)
Gallente/Amarr - Exp (Since most of the T1 ships armor tank)

Stacking Penalities
1st mod: c(1) = 100,000%
2nd mod: c(2) = 86,9119842%
3d mod: c(3) = 57,1037996%
4th mod: c(4) = 28,2469117%
5th mod: c(5) = 10,5988834%

Scanning info
150,000,000 = 1 AUMax Scanner Range = 14.413 AU
300,000,000 = 2 AU
450,000,000 = 3 AU
600,000,000 = 4 AU
750,000,000 = 5 AU
900,000,000 = 6 AU
1,050,000,000 = 7 AU
1,200,000,000 = 8 AU
1,350,000,000 = 9 AU
1,500,000,000 = 10 AU
1,650,000,000 = 11 AU
1,800,000,000 = 12 AU
1,950,000,000 = 13 AU
2,100,000,000 = 14 AU
(2.147.483.647/149.000.000)

Vulnerability list
Guristas = kinetic
Mercs = kinetic (AIl but wingmen)
Wingmen = explosive
Sanshas = thermal or EM
Blood Raiders = Thermal and EM
Angels = Explosive
Serpentis = Thermal
Drones = Explosive