Table 1: Slowly drifting structures observed in the 0.8-2.0 GHz frequency range during the April 11, 2001 flare. All these drifting structures consist of the fast drift bursts - FDB. L and H mean the low and high frequency boundaries of the drifting structure (see text).

Time	Freq. range	Freq. drift	Remarks
(UT)	(GHz)	(MHz s-1)
12:58:50-13:01:00	1.00-0.80	-1.5	L, FDB
12:58:50-13:01:00	1.29-1.09	-1.5	H, FDB
13:04:46-13:05:20	1.38-0.96	-12.3	L, FDB
13:04:46-13:05:20	1.63-1.26	-10.9	H, FDB
13:06:00-13:06:40	1.60-0.85	-18.7	L, FDB
13:06:00-13:06:40	2.00-1.05	-23.7	H, FDB
13:06:26-13:06:50	1.60-1.15	-18.7	FDB
13:07:07-13:07:44	1.50-0.90	-16.2	L, FDB
13:07:07-13:07:44	1.90-1.20	-18.9	H, FDB
13:07:52-13:08:09	1.70-0.97	-42.9	L, FDB
13:07:58-13:08:09	2.00-1.51	-44.5	H, FDB
13:08:42-13:08:55	1.80-1.30	-38.5	L, FDB
13:08:42-13:08:55	2.00-1.50	-38.5	H, FDB
13:09:10-13:09:45	2.00-1.10	-25.7	L, FDB
13:09:20-13:09:45	2.00-1.15	-34.0	H, FDB
13:10:10-13:10:44	1.40-0.90	-14.7	L, FDB
13:10:10-13:10:44	2.00-1.10	-26.5	H, FDB
13:10:40-13:11:00	2.00-1.50	-25.0	FDB
13:12:08-13:12:16	1.40-1.30	-12.5	L, FDB
13:12:08-13:12:16	1.10-1.00	-12.5	H, FDB
13:12:38-13:13:00	1.45-1.20	-11.4	FDB
13:14:30-13:14:40	1.95-1.70	-25.0	FDB
13:14:52-13:15:04	2.00-1.46	-45.0	FDB
13:15:06-13:15:40	1.70-1.25	-13.2	L, FDB
13:15:06-13:15:40	2.00-1.55	-13.2	H, FDB
13:16:16-13:19:09	2.00-1.06	-5.4	H, FDB
13:18:00-13:25:00	1.30-0.80	-1.2	H, FDB