neo1 at known location. loc0
 Lat: 60d 09' 13.23436 Lon: 24d 57' 24.23484 (EUREF-FIN)

neo2 in two different locations:
loc1: rock near loc0
loc2: aerial marker near loc0 and loc1

sequence:

loc1
loc2
loc1
loc2

and then neo2 was moved across the edges of the aerial marker at loc2.