Table 1.

Magnetic fields used during the experiment. (The ambient geomagnetic field of Tovetorp, and of the simulated stopover sites for experimental birds. The magnetic field was changed on the evening of day 1–6.)

day of change	location	position	total intensity (nT)	inclination (°)
	Tovetorp	58°56′ N 17°08′ E	50 900	72.3
1	southern Sweden	55°23′ N 12°49′ E	49 900	69.8
2	Germany	51°50′ N 8°55′ E	48 900	67.0
3	northern France	48°20′ N 5°15′ E	47 700	64.0
4	southern France	44°48′ N 1°50′ E	46 400	60.5
5	northern Spain	41°17′ N 1°22′ W	45 000	56.5
6	southern Spain	37°46′ N 4°25′ W	43 400	52.0