Ionosphere and Space Weather | Royal Meteorological Institute

Ionogram Characteristics

Date:

Date/Time (UT)	foF2	foF1	foE	fmin	hmF2	hmF1	hmE	M(3000)	TEC
2026-04-25 00:00:01	5.05			1.15	371.0			2.681	7.529
2026-04-25 00:05:02	5.05			1.55	373.7			2.699	7.648
2026-04-25 00:10:02	5.05			1.50	369.2			2.710	7.424
2026-04-25 00:15:01	5.00			1.15	366.7			2.708	7.228
2026-04-25 00:20:02	4.90			1.50	359.5			2.728	6.412
2026-04-25 00:25:02	4.90			1.50	382.5			2.679	8.475
2026-04-25 00:30:01	4.85			1.55	380.2			2.656	7.877
2026-04-25 00:35:02	4.85			1.50	374.3			2.661	6.934
2026-04-25 00:40:02	4.85			1.50	378.5			2.670	7.285
2026-04-25 00:45:01	4.85			1.10	383.6			2.631	7.773
2026-04-25 00:50:02	4.75			1.50	371.0			2.674	6.376
2026-04-25 00:55:02	4.75			1.50	377.7			2.664	6.888
2026-04-25 01:00:01	4.75			1.15	377.6			2.664	6.935
2026-04-25 01:05:02	4.70			1.65	362.1			2.696	5.254
2026-04-25 01:10:02	4.70			1.65	374.5			2.674	6.378
2026-04-25 01:15:01	4.65			1.10	377.3			2.653	6.447
2026-04-25 01:20:02	4.60			1.50	373.1			2.673	5.741
2026-04-25 01:25:02	4.70			1.50	398.2			2.572	7.811
2026-04-25 01:30:01	4.65			1.05	376.5			2.657	6.105
2026-04-25 01:35:02	4.55			1.50	346.5			2.832	3.642
2026-04-25 01:40:02	4.60			1.55	364.1			2.706	5.590
2026-04-25 01:45:01	4.60			1.20	365.1			2.687	6.048
2026-04-25 01:50:02	4.70			1.55	382.1			2.608	7.335
2026-04-25 01:55:02	4.55			1.60	368.8			2.686	6.160
2026-04-25 02:00:01	4.50			1.65	373.4			2.653	6.229
2026-04-25 02:05:02	4.25			1.60	331.2			2.990	2.916
2026-04-25 02:10:02	4.50			1.65	374.4			2.688	6.448
2026-04-25 02:15:01	4.50			1.00	365.5			2.773	6.198
2026-04-25 02:20:02	4.75			1.55	367.4			2.700	6.648
2026-04-25 02:25:02	4.80			1.50	370.7			2.703	7.410
2026-04-25 02:30:01	4.80			1.15	368.0			2.703	7.308
2026-04-25 02:35:02	4.60			1.50	336.8			2.849	4.459
2026-04-25 02:40:02	4.60			1.50	344.1			2.802	5.016
2026-04-25 02:45:01	4.55			1.20	349.3			2.793	5.463
2026-04-25 02:50:02	4.50			1.50	355.9			2.763	5.968
2026-04-25 02:55:02	4.50			1.50	374.0			2.708	7.275
2026-04-25 03:00:01	4.35			1.15	353.6			2.766	5.421
2026-04-25 03:05:02	4.35			1.50	365.9			2.686	6.242
2026-04-25 03:10:02	4.30			1.50	366.5			2.686	6.069
2026-04-25 03:15:01	4.30			1.10	376.5			2.670	6.792
2026-04-25 03:20:02	4.25			1.50	363.4			2.679	5.601
2026-04-25 03:25:02	4.25			1.50	367.0			2.702	6.019
2026-04-25 03:30:01	4.20			1.00	364.4			2.714	5.835
2026-04-25 03:35:02	4.10			1.50	357.2			2.726	5.437
2026-04-25 03:40:02	4.10			1.50	362.1			2.671	5.708
2026-04-25 03:45:01	4.10			1.15	341.5			2.738	4.028
2026-04-25 03:50:02	4.25			1.50	367.6			2.613	6.226
2026-04-25 03:55:02	4.25			1.50	358.0			2.672	5.889
2026-04-25 04:00:01	4.20			1.65	356.8			2.748	6.184
2026-04-25 04:05:02	4.10			1.70	333.7			2.848	4.939
2026-04-25 04:10:02	4.05			1.55	331.8			2.855	4.936
2026-04-25 04:15:01	3.95		1.25	1.15	301.0		110.0	2.963	3.981
2026-04-25 04:20:02	4.05			1.55	325.5			2.860	5.475
2026-04-25 04:25:02	4.05			1.70	330.1			2.843	6.128
2026-04-25 04:30:01	4.15		1.20	1.10	325.6		110.0	2.830	5.855
2026-04-25 04:35:02	4.20			1.65	304.3			2.997	5.054
2026-04-25 04:40:02	4.20		1.55	1.50	281.0		110.0	3.072	4.684
2026-04-25 04:45:01	4.35		1.70	1.30	293.8		102.6	3.017	6.492
2026-04-25 04:50:02	4.35		1.75	1.65	282.0		110.0	3.070	5.875
2026-04-25 04:55:02	4.40		1.80	1.65	276.8		100.3	3.050	5.906
2026-04-25 05:00:01	4.50		1.80	1.15	280.0		105.2	3.020	6.441
2026-04-25 05:05:02	4.55		1.90	1.60	285.2		102.3	3.034	7.841
2026-04-25 05:10:02	4.55	2.65	1.90	1.50	258.7	167.7	102.9	3.136	5.895
2026-04-25 05:15:01	4.60		2.00	1.25	256.6		103.9	3.157	6.497
2026-04-25 05:20:02	4.65	2.25	1.95	1.50	261.7	149.9	101.2	3.171	6.456
2026-04-25 05:25:02	4.70	2.35	2.10	1.50			100.5	3.147	-1.000
2026-04-25 05:30:01	4.70		2.10	1.00	262.4		100.8	3.132	7.657
2026-04-25 05:35:08	4.75		2.15	1.55	283.0		100.3	3.071	9.985
2026-04-25 05:40:00	4.70	2.90	2.25	1.50			105.6	3.095	-1.000
2026-04-25 05:45:01	4.75		2.30	1.50	263.9		105.7	3.081	8.132
2026-04-25 05:50:08	4.80		2.30	1.50	262.2		100.7	3.090	8.372
2026-04-25 05:55:00	4.80	2.70	2.35	1.50	260.1	146.3	104.1	3.054	8.234
2026-04-25 06:00:01	4.75		2.40	1.25	257.7		102.8	3.085	8.645
2026-04-25 06:05:08	4.75	2.70	2.45	1.50	250.8	139.5	102.8	3.082	7.845
2026-04-25 06:10:00	4.85		2.50	1.50	256.1		106.8	3.009	8.495
2026-04-25 06:15:01	5.00		2.55	1.15	270.0		102.3	2.910	10.314
2026-04-25 06:20:08	4.95		2.55	1.50	256.1		98.9	2.992	9.388
2026-04-25 06:25:00	5.00		2.60	1.50	258.7		102.9	3.000	9.846
2026-04-25 06:30:01	5.10		2.65	1.70	268.3		101.3	2.954	11.208
2026-04-25 06:35:02	5.10	3.15	2.65	1.75			101.2	2.961	-1.000
2026-04-25 06:40:00	5.05	3.95	2.70	1.50			102.3	3.027	-1.000
2026-04-25 06:45:01	5.15		2.75	1.25	285.6		102.5	2.979	13.492
2026-04-25 06:50:02	5.20		2.75	1.55	271.1		102.4	2.963	11.970
2026-04-25 06:55:00	5.15		2.75	1.60	250.9		101.4	3.104	9.603
2026-04-25 07:00:01	5.25	3.00	2.80	1.10			102.6	2.911	-1.000
2026-04-25 07:05:02	5.25	3.20	2.80	1.50			101.5	2.923	-1.000
2026-04-25 07:10:00	5.45		2.85	1.70	301.4		99.1	2.771	15.684
2026-04-25 07:15:01	5.45		2.90	1.55	264.0		102.5	2.853	11.287
2026-04-25 07:20:02	5.50	4.45	2.90	1.50	259.1	194.6	99.3	2.929	10.672

Ionosphere and Space Weather (ISW) section

Ionogram Characteristics