Distances (KP is the index of refraction)
Electro-magnetic instruments (KP = 43.0) T, AO, AE, CA, MF
52T0x microwave
52T01 microwave
52MFX MF microwave
52CA1 CA microwave
52AO AE aerodist
52T5x microwave
52T4x microwave
52T3x microwave
52T2x microwave
52T1x microwave
Electro-optical instruments (KP = 38.0) ME, DI, HP, G, MA,
RM, R, TP, SK, CI, TC, PE, NI
52Gxy visible light
52DI visible light
52MA1 visible light
52MEK visible light
52HPx HP visible light
52RxA visible light
52RMx visible light
52CI visible light
52NI visible light
52PE visible light
52SK visible light
52TC visible light
52TP visible light
Non electronic methods (KP = 24.0) BL, AU, ST, TI, TL, _SB,
_TL
52BLW baseline
52BLS baseline
52TL _TL miscellaneous
52 SB miscellaneous
52AUT miscellaneous
52STA miscellaneous
All others (KP = 24.0)