List of available intervals
of magnetic field measurements in 1978
   Filename      From               To        Size
F781111.PR7 11-11-78 17:25   12-11-78 22:10  475.0k
f781112.PR7 12-11-78 22:35   15-11-78 08:44  960.7k
f781119.PR7 19-11-78 07:24   20-11-78 06:59  193.6k
f781120.PR7 20-11-78 08:39   23-11-78 04:50 1126.4k
f781123.PR7 23-11-78 06:15   23-11-78 14:50  141.9k
f781124.PR7 23-11-78 23:46   27-11-78 09:59 1358.3k
f781127.PR7 27-11-78 11:20   27-11-78 15:55   73.9k
f781128.PR7 28-11-78 00:50   31-11-78 14:34 1300.0k
f781202.PR7 02-12-78 02:30   05-12-78 11:52 1339.0k
f781205.PR7 05-12-78 13:19   05-12-78 20:45  122.9k
f781206.PR7 06-12-78 04:20   09-12-78 12:13 1221.9k
f781210.PR7 10-12-78 13:57   13-12-78 14:52 1205.0k
f781213.PR7 13-12-78 16:28   14-12-78 01:54  152.3k
f781219.PR7 19-12-78 00:08   21-12-78 17:18 1077.0k
f781221.PR7 21-12-78 18:53   22-12-78 05:46  178.5k
f781222.PR7 22-12-78 13:18   26-12-78 05:29 1457.0k
f781229.PR7 29-12-78 13:13   30-12-78 10:00  343.2k
f781230.PR7 30-12-78 16:58   31-12-78 23:59  495.8k