1st April: Compass swinging?
A calm day so tried swinging the compass by sailing round in circles but couldn’t get it to calibrate. Then found that NASA have changed the method and you are meant to motor on set bearings arranged at 45 degree intervals. Not very successful but the track plot is interesting! Probably need to do it again with two people on board. [Track: 2.1nm; duration: 1hr 44min!]