Ionosphere and Space Weather | Royal Meteorological Institute

Ionogram Characteristics

Date:

Date/Time (UT)	foF2	foF1	foE	fmin	hmF2	hmF1	hmE	M(3000)	TEC
2026-04-03 00:00:01	5.20			1.15	384.9			2.643	7.403
2026-04-03 00:05:02	5.05			1.50	365.0			2.714	5.655
2026-04-03 00:10:02	5.05			1.50	371.1			2.701	6.691
2026-04-03 00:15:01	5.05			1.50	374.1			2.689	7.306
2026-04-03 00:20:02	5.05			1.50	369.9			2.664	6.988
2026-04-03 00:25:02	5.05			1.50	367.5			2.660	6.945
2026-04-03 00:30:01	5.00			1.50	369.1			2.700	7.258
2026-04-03 00:35:02	5.05			1.55	375.1			2.637	7.702
2026-04-03 00:40:02	4.95			1.50	375.3			2.617	7.587
2026-04-03 00:45:01	4.80			1.25	360.6			2.710	5.629
2026-04-03 00:50:02	4.75			1.50	373.3			2.628	6.006
2026-04-03 00:55:02	4.50			1.55	365.0			2.714	4.956
2026-04-03 01:00:01	4.65			1.25	395.7			2.525	7.230
2026-04-03 01:05:02	4.55			1.50	403.9			2.523	7.336
2026-04-03 01:10:02	4.50			1.95	414.9			2.499	7.571
2026-04-03 01:15:01	4.40			1.15	398.6			2.571	6.539
2026-04-03 01:20:02	4.45			1.50	411.4			2.511	7.258
2026-04-03 01:25:02	4.45			1.50	411.1			2.489	7.135
2026-04-03 01:30:01	4.40			1.15	390.4			2.594	5.748
2026-04-03 01:35:02	4.15			1.50	376.9			2.628	4.516
2026-04-03 01:40:02	4.10			1.50	376.7			2.636	4.499
2026-04-03 01:45:01	4.05			1.55	375.1			2.607	4.099
2026-04-03 01:50:02	4.10			1.50	397.2			2.560	5.578
2026-04-03 01:55:02	4.05			1.50	406.5			2.487	5.917
2026-04-03 02:00:01	4.00			1.15	406.1			2.459	5.756
2026-04-03 02:05:02	3.70			1.50	388.1			2.550	4.044
2026-04-03 02:10:02	3.90			1.50	403.4			2.488	4.705
2026-04-03 02:15:01	3.55			1.25	378.0			2.578	3.108
2026-04-03 02:20:02	3.80			1.50	433.1			2.385	5.994
2026-04-03 02:25:02	3.60			1.55	401.7			2.456	3.870
2026-04-03 02:30:01	3.50			1.15	396.9			2.470	3.584
2026-04-03 02:35:02	3.50			1.50	406.2			2.431	3.820
2026-04-03 02:40:02	3.45			1.50	404.6			2.450	3.703
2026-04-03 02:45:01	3.50			1.15	422.0			2.376	4.577
2026-04-03 02:50:02	3.25			1.50	393.4			2.531	3.229
2026-04-03 02:55:02	3.30			1.55	411.9			2.450	3.849
2026-04-03 03:00:01	3.35			1.20	429.6			2.375	4.526
2026-04-03 03:05:02	3.25			1.70	407.6			2.480	3.586
2026-04-03 03:10:02	3.30			1.50	416.2			2.443	4.050
2026-04-03 03:15:01	3.25			1.00	407.6			2.505	3.654
2026-04-03 03:20:02	3.30			1.55	418.6			2.456	4.279
2026-04-03 03:25:02	3.20			1.50	392.8			2.533	3.204
2026-04-03 03:30:01	3.20			1.15	401.1			2.523	3.554
2026-04-03 03:35:02	3.25			1.50	406.3			2.486	3.893
2026-04-03 03:40:02	3.20			1.50	405.7			2.464	3.776
2026-04-03 03:45:01	3.20			1.20	419.5			2.472	4.385
2026-04-03 03:50:02	3.15			1.65	406.4			2.467	3.709
2026-04-03 03:55:02	3.15			1.55	403.8			2.455	3.553
2026-04-03 04:00:01	3.15			1.20	405.5			2.463	3.604
2026-04-03 04:05:02	3.15			1.65	401.0			2.511	3.686
2026-04-03 04:10:02	3.15			1.50	393.7			2.520	3.559
2026-04-03 04:15:01	3.15			1.00	392.0			2.545	3.527
2026-04-03 04:20:02	3.10			1.50	375.1			2.604	3.302
2026-04-03 04:25:02	3.10			1.50	379.6			2.602	3.683
2026-04-03 04:30:01	3.10			1.60	387.6			2.600	4.159
2026-04-03 04:35:02	3.10			1.50	374.9			2.611	3.774
2026-04-03 04:40:02	3.15			1.50	387.1			2.615	4.513
2026-04-03 04:45:01	3.15			1.65	363.3			2.673	3.801
2026-04-03 04:50:02	3.15			1.70	336.8			2.791	3.197
2026-04-03 04:55:02	3.30			1.70	343.9			2.721	3.959
2026-04-03 05:00:01	3.45		1.25	1.00	343.0		99.0	2.723	5.164
2026-04-03 05:05:02	3.55			1.75	333.1			2.760	4.650
2026-04-03 05:10:02	3.60			1.90	310.8			2.849	4.118
2026-04-03 05:15:01	3.75		1.45	1.35	321.0		110.0	2.845	5.535
2026-04-03 05:20:02	3.80			1.65	311.4			2.902	4.649
2026-04-03 05:25:02	4.00			1.80	320.3			2.896	6.161
2026-04-03 05:30:01	4.00		1.75	1.00	275.7		105.8	3.065	4.827
2026-04-03 05:35:08	4.00		1.75	1.70	259.5		110.0	3.295	3.656
2026-04-03 05:40:00	4.05		1.80	1.55	252.9		107.5	3.286	3.995
2026-04-03 05:45:01	4.10		2.00	1.00	244.9		107.9	3.230	4.344
2026-04-03 05:50:08	4.10	2.55		1.80				3.202	-1.000
2026-04-03 05:55:00	4.20		2.00	1.60	260.1		105.9	3.084	5.378
2026-04-03 06:00:01	4.20	2.30	1.80	1.40	261.6	153.4	97.8	3.099	5.490
2026-04-03 06:05:08	4.25		1.85	1.50	253.8		97.4	3.129	5.560
2026-04-03 06:10:00	4.30		2.15	1.50	261.7		108.5	3.133	6.245
2026-04-03 06:15:01	4.35		2.00	1.20	263.9		100.9	3.005	6.678
2026-04-03 06:20:08	4.40		2.05	1.50	266.1		98.4	2.960	7.188
2026-04-03 06:25:00	4.25		2.15	1.50	230.1		99.1	3.221	4.720
2026-04-03 06:30:01	4.40		2.15	1.25	269.0		99.2	3.035	8.253
2026-04-03 06:35:02	4.35		2.15	1.50	257.1		98.6	3.005	6.995
2026-04-03 06:40:00	4.35		2.40	1.50	250.5		105.9	3.031	6.626
2026-04-03 06:45:01	4.45	2.75	2.35	1.25			100.3	3.030	-1.000
2026-04-03 06:50:02	4.50		2.35	1.50	263.4		99.5	2.996	8.112
2026-04-03 06:55:00	4.55	2.65	2.35	1.50			98.7	2.988	-1.000
2026-04-03 07:00:01	4.65	2.90	2.30	1.10			98.2	2.921	-1.000
2026-04-03 07:05:02	4.60		2.55	1.50	258.0		104.5	3.036	8.231
2026-04-03 07:10:00	4.75		2.55	1.50	287.6		103.3	2.920	11.307
2026-04-03 07:15:01	4.75		2.60	1.00	251.9		101.5	2.963	8.153
2026-04-03 07:20:02	4.70		2.70	1.50	251.3		102.3	2.978	8.264
2026-04-03 07:25:00	4.75		2.75	1.55	260.5		102.4	2.963	9.684
2026-04-03 07:30:01	4.75		2.75	1.20	256.1		102.5	3.007	9.208
2026-04-03 07:35:02	4.75		2.80	1.50	250.6		102.5	3.081	8.979
2026-04-03 07:40:00	4.65		2.60	1.60	233.1		98.9	3.174	7.323
2026-04-03 07:45:01	4.80		2.65	1.50	290.0		99.0	3.082	12.894
2026-04-03 07:50:02	4.65		2.65	1.55	239.6		99.0	3.215	8.013
2026-04-03 07:55:00	4.85		2.70	1.70	249.4		98.9	3.116	9.046
2026-04-03 08:00:01	4.95		2.70	1.70	258.8		98.9	3.076	10.109
2026-04-03 08:05:02	4.95	4.40	2.95	1.70	247.3	201.5	103.3	3.080	9.065
2026-04-03 08:10:00	5.05		2.95	1.55	252.0		99.3	3.090	10.098
2026-04-03 08:15:01	5.05	4.55	2.85	1.60	245.8	210.8	98.1	3.048	8.915
2026-04-03 08:20:02	5.10		3.00	1.70	238.4		99.2	3.059	8.976
2026-04-03 08:25:00	5.15		3.00	1.55	249.3		99.3	3.024	10.464
2026-04-03 08:30:01	5.10	4.25	3.05	1.60	238.2	171.4	99.3	3.097	9.212
2026-04-03 08:35:02	5.10		3.05	1.55	236.4		99.4	3.152	9.476
2026-04-03 08:40:00	5.10		3.05	1.65	242.0		99.3	3.160	10.249
2026-04-03 08:45:01	5.05		3.10	1.50	234.2		99.4	3.237	9.509
2026-04-03 08:50:02	5.00	3.75	3.10	1.50	230.7	137.0	99.4	3.340	9.204
2026-04-03 08:55:00	5.05		3.10	1.70	258.6		99.3	3.284	12.517
2026-04-03 09:00:01	5.00	3.60	3.15	1.65	248.5	128.9	99.4	3.297	11.282
2026-04-03 09:05:02	5.05		3.15	1.55	253.4		99.4	2.615	10.625
2026-04-03 09:10:00	5.10		3.15	1.75	257.3		99.4	3.095	10.823
2026-04-03 09:15:01	5.10	3.60	3.20	1.70	235.7	124.2	99.4	3.285	9.730
2026-04-03 09:20:02	5.10	4.70	3.20	1.70	232.5	198.9	99.4	3.282	9.563
2026-04-03 09:25:00	4.70		3.20	1.70	199.9		99.4	3.570	6.788
2026-04-03 09:30:01	5.15		2.75	1.60	253.0		95.5	3.353	11.540
2026-04-03 09:35:02	5.20		3.05	1.75	251.8		100.0	3.380	12.085
2026-04-03 09:40:00	5.15	4.50	3.00	1.70	238.9	169.6	99.1	3.475	10.453
2026-04-03 09:45:01	5.15		3.10	1.65	241.0		98.0	3.474	11.115
2026-04-03 09:50:02	5.20		3.00	1.85	253.1		99.1	3.502	12.239
2026-04-03 09:55:00	5.25		3.10	1.70	245.5		97.9	3.408	11.693
2026-04-03 10:00:01	5.25	4.60	3.10	1.65	245.8	183.9	97.6	3.477	11.101
2026-04-03 10:05:02	5.40	4.65	2.95	1.70	263.8	186.7	96.7	3.411	13.598
2026-04-03 10:10:00	5.45	4.55	3.00	1.75	266.3	179.9	97.0	3.427	13.299
2026-04-03 10:15:01	5.45		3.00	1.85	249.8		96.9	3.408	11.767
2026-04-03 10:20:02	5.55	4.80	3.25	2.05	268.7	199.6	99.2	2.878	13.966
2026-04-03 10:25:00	5.60	4.80	3.00	2.10	271.1	197.3	96.5	3.169	14.526
2026-04-03 10:30:01	5.70	4.75	3.00	2.05	291.0	194.7	96.3	3.181	17.153
2026-04-03 10:35:02	5.60		3.00	1.80	255.1		96.3	3.139	12.728
2026-04-03 10:40:00	5.65		3.00	1.90	273.2		96.3	3.152	14.624
2026-04-03 10:45:01	5.70	4.75	3.00	1.70	278.5	196.7	96.8	3.108	15.002
2026-04-03 10:50:02	5.75	4.75	3.00	1.95	275.9	196.3	96.3	3.064	14.559
2026-04-03 10:55:00	5.95	4.85	3.05	1.90	296.8	206.6	96.7	2.863	17.395
2026-04-03 11:00:01	6.10	4.60	3.00	1.75	299.7	175.2	96.3	2.882	17.339
2026-04-03 11:05:02	6.30	4.55	2.95	1.80	289.0	173.7	96.0	2.758	16.857
2026-04-03 11:10:00	6.35	4.20	2.95	1.95	279.3	149.6	95.9	2.882	14.964

Ionosphere and Space Weather (ISW) section

Ionogram Characteristics