LAT LON foF2 Station 54.6 13.4 7.4 JULIUSRUH 67.8 20.4 5.1 KIRUNA 48.7 -3.4 8.1 LANNION 64.6 18.8 6.3 LYCKSELE 59.9 30.7 6.5 ST PETERSBURG 66.5 66.5 4.6 SALEKHARD 51.5 -0.6 4.9 SLOUGH 42.7 23.4 6.8 SOFIA 40.8 0.5 8.1 TORTOSA 52.1 21.1 6.8 WARSZAWA