Performance of centimetric shore radar equipment Recent developments in aeromedical research Umleitung aufwärts Typical radar system performance check (receiver) Modern weather story, structure of storms; A-Primary circulation B-Development and characteristics of atmospheric waves Celestial navigation, interpretations of bearings, lines of position and fixes Camouflage principles Radar-evaluatie Aerial mapping photography Gebruik van vuurkracht van de tirailleurgroep Maintanance of the coaxial line Celestial navigation for fighter pilots