Table 2: Slowly drifting structures observed in the 0.8-3.0 GHz frequency range during the March 18, 2008 flare. L and H mean the low and high frequency boundaries of the drifting structure. Substructures: FDB - fast drift bursts, NBC - narrowband continuum.

Time	Freq. range	Freq. drift	Remarks
(UT)	(GHz)	(MHz s-1)
12:01:14-12:01:43	1.90-0.80	-10.0	L, FDB
12:01:14-12:03:24	1.55-1.20	-2.7	H, FDB
12:04:11-12:04:22	0.89-0.80	-8.2	FDB
12:04:13-12:04:20	1.12-0.97	-21.4	FDB
12:04:50-12:05:25	1.00-0.85	-4.3	FDB
12:05:10-12:05:50	1.20-0.95	-6.2	FDB
12:06:05-12:06:27	1.36-1.00	-16.4	FDB
12:07:20-12:07:30	1.15-0.95	-20.0	FDB
12:08:29-12:08:52	1.45-1.04	-17.8	FDB
12:15:00-12:22:00	1.20-0.80	-0.9	L, FDB
12:15:00-12:26:00	1.80-0.80	-1.5	H, FDB
12:15:20-12:18:00	2.30-2.00	-1.9	L, FDB
12:15:20-12:18:00	3.00-2.50	-3.1	H, FDB
12:23:40-12:25:50	2.10-1.90	-1.5	L, zebra
12:23:40-12:25:50	2.50-2.00	-3.8	H, zebra
12:26:00-12:34:00	1.60-1.00	-0.8	L, FDB
12:26:00-12:34:00	2.00-1.50	-0.7	H, FDB
12:38:00-12:50:00	1.25-1.20	-0.07	L, FDB
12:38:00-12:50:00	1.40-1.30	-0.14	H, NBC
12:55:00-12:56:40	1.23-1.15	-0.8	L, NBC
12:55:00-12:56:40	1.45-1.23	-2.2	H, NBC