Ionosphere and Space Weather | Royal Meteorological Institute

Ionogram Characteristics

Date:

Date/Time (UT)	foF2	foF1	foE	fmin	hmF2	hmF1	hmE	M(3000)	TEC
2026-04-16 00:00:01	4.20			1.15	344.0			2.844	4.680
2026-04-16 00:05:02	4.20			1.50	344.4			2.833	4.467
2026-04-16 00:10:02	4.15			1.50	338.6			2.851	4.025
2026-04-16 00:15:01	4.15			1.05	340.7			2.830	4.099
2026-04-16 00:20:02	4.10			1.50	335.6			2.854	3.563
2026-04-16 00:25:02	4.15			1.50	342.0			2.825	3.945
2026-04-16 00:30:01	4.20			1.05	350.4			2.807	4.631
2026-04-16 00:35:02	4.20			1.50	349.4			2.833	4.577
2026-04-16 00:40:02	4.25			1.50	348.6			2.820	4.574
2026-04-16 00:45:01	4.25			1.15	346.3			2.826	4.559
2026-04-16 00:50:02	4.25			1.50	345.4			2.826	4.599
2026-04-16 00:55:02	4.20			1.50	341.2			2.854	4.243
2026-04-16 01:00:01	4.20			1.25	341.0			2.855	4.283
2026-04-16 01:05:02	4.25			1.50	346.1			2.837	4.636
2026-04-16 01:10:02	4.15			1.50	328.5			2.896	3.382
2026-04-16 01:15:01	4.25			1.15	348.6			2.848	5.145
2026-04-16 01:20:02	4.20			1.50	333.1			2.888	3.996
2026-04-16 01:25:02	4.20			1.50	331.0			2.908	3.926
2026-04-16 01:30:01	4.20			1.15	329.1			2.915	3.921
2026-04-16 01:35:02	4.25			1.55	338.8			2.870	4.623
2026-04-16 01:40:02	4.20			1.50	332.2			2.893	4.145
2026-04-16 01:45:01	4.20			1.15	333.1			2.911	4.293
2026-04-16 01:50:02	4.20			1.55	326.1			2.961	3.827
2026-04-16 01:55:02	4.15			1.50	316.1			3.006	3.271
2026-04-16 02:00:01	4.15			1.00	315.1			2.982	3.362
2026-04-16 02:05:02	4.10			1.50	315.3			2.967	3.315
2026-04-16 02:10:02	4.10			1.55	323.9			2.955	3.935
2026-04-16 02:15:01	4.05			1.15	314.3			2.987	3.381
2026-04-16 02:20:02	4.05			1.50	321.6			2.954	3.768
2026-04-16 02:25:02	3.95			1.60	320.5			2.951	3.492
2026-04-16 02:30:01	3.90			1.00	316.0			2.941	3.281
2026-04-16 02:35:02	3.95			1.55	328.1			2.887	3.692
2026-04-16 02:40:02	4.00			1.50	338.4			2.867	4.409
2026-04-16 02:45:01	3.90			1.05	316.0			2.959	3.059
2026-04-16 02:50:02	3.90			1.50	321.8			2.947	3.375
2026-04-16 02:55:02	3.90			1.50	322.3			2.917	3.355
2026-04-16 03:00:01	3.85			1.00	324.3			2.925	3.562
2026-04-16 03:05:02	3.85			1.50	328.1			2.918	3.623
2026-04-16 03:10:02	3.90			1.50	342.6			2.846	4.566
2026-04-16 03:15:01	3.80			1.15	321.2			2.918	3.215
2026-04-16 03:20:02	3.85			1.50	325.4			2.899	3.431
2026-04-16 03:25:02	3.90			1.50	336.0			2.881	4.160
2026-04-16 03:30:01	3.85			1.00	320.3			2.937	3.341
2026-04-16 03:35:02	3.90			1.50	325.8			2.892	3.787
2026-04-16 03:40:02	3.90			1.50	349.4			2.906	6.165
2026-04-16 03:45:01	3.90			1.15	327.9			2.916	4.213
2026-04-16 03:50:02	3.90			1.50	318.7			2.958	3.822
2026-04-16 03:55:02	3.90			1.50	310.7			2.988	3.450
2026-04-16 04:00:01	3.95			1.00	316.2			2.975	4.049
2026-04-16 04:05:02	4.00			1.55	319.4			2.955	4.534
2026-04-16 04:10:02	3.90			1.55	296.6			3.068	3.267
2026-04-16 04:15:01	3.95			1.25	298.2			3.046	3.589
2026-04-16 04:20:02	3.95			1.50	291.6			3.080	3.504
2026-04-16 04:25:02	4.00			1.50	298.0			3.068	4.282
2026-04-16 04:30:01	3.95			1.15	279.3			3.175	2.998
2026-04-16 04:35:02	4.00			1.50	281.8			3.208	3.881
2026-04-16 04:40:02	4.05			1.50	279.6			3.141	3.963
2026-04-16 04:45:01	4.05		1.05	1.00	280.7		110.0	3.128	4.152
2026-04-16 04:50:02	4.10			1.70	283.8			3.088	4.830
2026-04-16 04:55:02	4.15			1.65	284.4			3.080	4.980
2026-04-16 05:00:01	4.10	2.05	1.15	1.10	286.5	195.6	110.0	3.158	4.987
2026-04-16 05:05:02	4.20		1.55	1.50	282.0		110.0	3.139	5.606
2026-04-16 05:10:02	4.20			1.85	267.4			3.224	4.445
2026-04-16 05:15:01	4.25	1.90	1.55	1.00	258.7	164.6	106.1	3.255	4.253
2026-04-16 05:20:02	4.30	2.00	1.55	1.50			110.0	3.229	-1.000
2026-04-16 05:25:02	4.35		1.60	1.50	260.6		110.0	3.251	5.131
2026-04-16 05:30:01	4.35		1.70	1.20	251.3		103.1	3.271	4.637
2026-04-16 05:35:08	4.40	2.05	1.75	1.55			101.6	3.185	-1.000
2026-04-16 05:40:00	4.40	2.55	1.80	1.50	257.6	160.9	102.3	3.133	5.955
2026-04-16 05:45:01	4.45		1.95	1.15	275.1		104.6	3.051	7.250
2026-04-16 05:50:08	4.60		2.00	1.50	267.5		102.2	3.065	6.493
2026-04-16 05:55:00	4.70		2.05	1.50	268.8		102.3	3.096	7.067
2026-04-16 06:00:01	4.70		2.10	1.15	244.7		101.8	3.284	5.600
2026-04-16 06:05:08	4.65	3.50	2.15	1.50	237.4	187.8	101.5	3.319	5.213
2026-04-16 06:10:00	4.70	3.50	2.15	1.50	243.4	187.3	102.6	3.283	5.771
2026-04-16 06:15:01	4.75		2.20	1.15	249.9		101.2	3.234	6.846
2026-04-16 06:20:08	4.75		2.25	1.50	239.6		101.7	3.301	6.075
2026-04-16 06:25:00	4.75		2.30	1.50	229.0		101.8	3.392	5.453
2026-04-16 06:30:01	4.70	2.95	2.35	1.15	235.7	152.7	102.1	3.336	6.124
2026-04-16 06:35:02	4.75		2.40	1.50	242.6		102.0	3.271	7.123
2026-04-16 06:40:00	4.75	2.80	2.45	1.50	244.5	146.3	102.1	3.205	7.150
2026-04-16 06:45:01	4.75	2.70	2.45	1.15	241.0	134.0	102.2	3.154	6.868
2026-04-16 06:50:02	4.80		2.50	1.50	233.9		102.2	3.177	6.635
2026-04-16 06:55:00	4.80		2.45	1.50	234.8		98.8	3.182	7.021
2026-04-16 07:00:01	4.85		2.50	1.35	231.7		100.8	3.177	6.356
2026-04-16 07:05:02	4.85		2.50	1.50	238.8		98.9	3.157	6.911
2026-04-16 07:10:00	4.90		2.55	1.50	237.8		99.0	3.082	7.490
2026-04-16 07:15:01	4.85		2.60	1.20	240.9		99.7	3.157	7.643
2026-04-16 07:20:02	4.90		2.55	1.50	245.1		98.6	3.075	8.333
2026-04-16 07:25:00	4.85		2.65	1.55	240.2		99.5	3.138	7.624
2026-04-16 07:30:01	4.90	4.40	2.70	1.65	235.3	200.8	99.5	3.155	7.225
2026-04-16 07:35:02	5.00	3.00	2.70	1.65	246.5	131.1	99.0	3.104	8.903
2026-04-16 07:40:00	4.95	4.15	2.70	1.65	230.4	181.9	98.9	3.182	7.469
2026-04-16 07:45:01	5.00	4.15	2.70	1.20	243.4	184.0	98.6	3.125	8.643
2026-04-16 07:50:02	5.05	4.25	2.65	1.60	247.7	184.7	97.5	3.066	9.233
2026-04-16 07:55:00	5.10	3.90	2.70	1.55	229.8	159.3	97.9	3.167	7.832
2026-04-16 08:00:01	5.10	4.20	2.75	1.65	256.7	235.3	98.4	3.154	8.260
2026-04-16 08:05:02	5.10		2.75	1.65	232.8		97.9	3.161	8.309
2026-04-16 08:10:00	5.15		2.85	1.50	233.9		99.2	3.030	8.737
2026-04-16 08:15:01	5.30	4.55	2.85	1.70	231.4	191.7	99.1	3.114	8.317
2026-04-16 08:20:02	5.35	4.45	2.90	1.65	238.1	188.4	99.7	3.097	9.065
2026-04-16 08:25:00	5.35	4.30	2.85	1.70	243.3	179.0	98.9	3.087	9.640
2026-04-16 08:30:01	5.30	4.25	3.05	1.70	247.8	168.9	101.3	3.154	11.000
2026-04-16 08:35:02	5.30	4.25	2.95	1.75	233.5	169.2	99.2	3.151	8.979
2026-04-16 08:40:00	5.30	4.30	2.95	1.65	232.8	171.2	99.2	3.193	9.084
2026-04-16 08:45:01	5.25		3.00	1.60	229.5		99.3	3.204	8.861
2026-04-16 08:50:02	5.25	4.45	3.05	1.70	222.6	175.9	100.6	3.223	8.179
2026-04-16 08:55:00	5.40	4.50	3.00	1.60	237.1	183.4	99.3	3.156	9.726
2026-04-16 09:00:01	5.40	4.40	3.05	1.80	230.6	178.2	99.2	3.170	9.114
2026-04-16 09:05:02	5.35	4.45	3.05	1.70	225.1	181.2	99.3	3.208	8.300
2026-04-16 09:10:00	5.45	4.35	3.05	1.75	240.6	169.5	99.3	3.092	10.444
2026-04-16 09:15:01	5.25		3.05	1.80	224.2		99.2	3.122	8.567
2026-04-16 09:20:02	5.35		3.10	1.80	248.2		99.3	3.183	11.670
2026-04-16 09:25:00	5.35	4.50	3.10	1.70	272.2	176.7	99.3	3.154	14.439
2026-04-16 09:30:01			3.10	1.75					-1.000
2026-04-16 09:35:02	5.60	4.40	3.05	1.70	251.6	164.4	98.7	3.160	11.504
2026-04-16 09:40:00	5.60	4.40	3.10	1.70	231.0	164.4	97.6	3.185	9.806
2026-04-16 09:45:01	5.70	4.35	3.15	1.75	243.8	164.3	99.4	3.173	11.323
2026-04-16 09:50:02	5.65	4.40	3.15	1.80	250.7	165.4	99.3	3.174	10.350
2026-04-16 09:55:00	5.75	4.50	3.15	1.80	243.4	176.2	99.3	3.134	11.205
2026-04-16 10:00:01	5.75	4.50	3.15	1.75	231.1	173.5	97.6	3.219	9.607
2026-04-16 10:05:02	5.85	4.55	3.10	1.85	240.7	177.8	97.3	3.153	11.085
2026-04-16 10:10:00	5.90	4.35	3.15	1.85	236.3	154.6	97.6	3.208	10.445
2026-04-16 10:15:01	5.95	4.45	3.10	1.80	237.6	164.5	97.1	3.181	11.186
2026-04-16 10:20:02	5.95	4.50	3.05	1.80	233.5	167.2	96.8	3.181	10.546
2026-04-16 10:25:00	5.90	4.55	3.00	2.00	226.4	173.1	96.4	3.292	9.467
2026-04-16 10:30:01	5.95		3.15	1.70	233.7		98.8	3.236	10.866
2026-04-16 10:35:02	6.00	4.60	3.10	1.85	253.8	171.2	98.2	3.138	14.086
2026-04-16 10:40:00	6.00	4.60	3.20	1.80	242.0	176.4	100.2	3.100	11.422
2026-04-16 10:45:01	6.05	4.55	3.00	1.75	236.3	171.9	96.6	3.185	10.698
2026-04-16 10:50:02	6.20	4.70	2.95	1.75	253.9	178.8	96.3	3.149	13.633
2026-04-16 10:55:00	6.20	4.65	3.10	1.90	237.6	172.5	98.2	3.176	11.145
2026-04-16 11:00:01	6.35	4.65	3.15	1.85	242.3	178.7	99.2	3.222	11.683
2026-04-16 11:05:02	6.35	4.55	3.30	1.85	236.0	160.1	100.9	3.223	11.974
2026-04-16 11:10:00	6.35	4.10	3.15	1.80	237.0	135.9	98.5	3.265	11.852
2026-04-16 11:15:01	6.35	4.25	3.15	1.80	233.9	139.8	98.5	3.337	11.055
2026-04-16 11:20:02	6.35	4.00	3.25	1.95	226.3	125.7	99.3	3.370	10.219
2026-04-16 11:25:00	6.30		3.25	1.90	227.2		99.4	3.363	10.524
2026-04-16 11:30:01	6.30		3.20	1.90	233.8		98.7	3.309	10.983
2026-04-16 11:35:02	6.20	4.45	3.05	1.75	239.4	163.8	96.6	3.260	11.893
2026-04-16 11:40:00	6.35	4.65	3.10	1.75	253.0	187.5	96.9	3.127	12.073
2026-04-16 11:45:01	6.35	4.65	3.10	1.75	251.3	185.5	96.9	3.104	11.465
2026-04-16 11:50:02	6.30	4.60	3.05	1.80	252.9	175.3	96.6	3.251	13.747
2026-04-16 11:55:00	6.30	4.65	3.00	1.80	239.0	169.5	96.4	3.194	12.081
2026-04-16 12:00:01	6.35	4.70	3.00	2.15	240.3	172.6	96.1	3.252	12.385
2026-04-16 12:05:02	6.40	4.55	3.10	1.90	231.5	167.0	97.8	3.336	10.753
2026-04-16 12:10:00	6.45	4.45	3.00	1.70	235.5	160.2	96.4	3.327	11.570
2026-04-16 12:15:01	6.50	4.40	3.05	1.85	234.5	156.1	97.4	3.299	12.096
2026-04-16 12:20:02	6.30	4.50	3.00	1.85	219.9	160.0	97.0	3.466	9.722
2026-04-16 12:25:00	6.20	4.75	3.00	1.80	221.1	169.9	96.5	3.379	10.025
2026-04-16 12:30:01	6.10	4.50	2.95	1.90	231.1	162.8	96.2	3.274	11.082
2026-04-16 12:35:02	6.05		2.90	1.80	229.1		96.1	3.282	10.396
2026-04-16 12:40:00	5.85	4.20	2.90	1.75	216.3	143.5	96.1	3.350	9.034
2026-04-16 12:45:01	5.95	4.50	2.80	1.80	229.7	159.4	94.9	3.166	10.782
2026-04-16 12:50:02	5.95		2.75	1.80	237.1		95.5	3.156	10.754
2026-04-16 12:55:00	6.05	4.80	2.70	1.65	243.6	178.1	95.4	3.051	12.223
2026-04-16 13:00:01	6.10	4.85	2.95	1.70	243.3	181.7	99.0	3.109	12.032
2026-04-16 13:05:02	6.10	4.75	3.20	1.90	242.6	174.5	100.1	3.172	12.522
2026-04-16 13:10:00	6.05	4.65	3.30	1.75	230.0	168.3	101.6	3.198	10.726
2026-04-16 13:15:01	6.10		3.25	1.75	247.8		101.5	3.077	13.026
2026-04-16 13:20:02	6.10	4.80	3.30	1.70	236.6	181.0	102.5	3.174	10.938
2026-04-16 13:25:00	6.10	4.75	3.20	1.75	233.1	173.7	100.8	3.187	10.820
2026-04-16 13:30:01	6.20		3.20	1.75	254.3		100.8	3.096	13.932
2026-04-16 13:35:02	6.35	4.65	3.30	1.65	247.3	172.7	102.5	3.102	12.662
2026-04-16 13:40:00	6.40	4.60	3.20	1.80	244.2	174.1	100.7	3.196	11.928
2026-04-16 13:45:01	6.40	4.50	3.25	1.70	238.4	170.3	102.4	3.266	11.058
2026-04-16 13:50:02	6.45	4.35	3.30	1.75	239.4	160.7	103.6	3.270	11.504
2026-04-16 13:55:00	6.50	4.55	3.25	1.70	244.4	170.5	102.4	3.218	12.585
2026-04-16 14:00:01	6.50	4.55	3.25	1.85	240.9	171.0	102.4	3.255	11.722
2026-04-16 14:05:02	6.45	4.35	3.05	1.65	236.0	163.5	99.3	3.315	10.945
2026-04-16 14:10:00	6.35	4.45	3.05	1.60	229.4	167.6	99.3	3.326	9.970
2026-04-16 14:15:01	6.35	4.50	3.15	1.65	238.1	168.6	101.4	3.212	11.476
2026-04-16 14:20:02	6.35	4.55	3.20	1.65	241.3	171.7	102.4	3.211	11.824
2026-04-16 14:25:00	6.35	4.35	3.20	1.60	234.7	164.3	103.6	3.294	10.351
2026-04-16 14:30:01	6.35	4.15	3.15	1.65	232.3	158.7	101.9	3.339	9.842
2026-04-16 14:35:02	6.35	4.35	3.00	1.65	236.5	169.9	99.3	3.314	10.508
2026-04-16 14:40:00	6.40	4.35	3.05	1.60	248.9	168.6	100.6	3.187	12.839
2026-04-16 14:45:01	6.40		2.95	1.70	251.9		99.2	3.198	12.782
2026-04-16 14:50:02	6.35	4.45	3.05	1.60	240.8	175.4	101.1	3.224	10.586
2026-04-16 14:55:00	6.40	4.65	3.00	1.60	245.5	182.4	97.9	3.212	11.388
2026-04-16 15:00:01	6.40	4.40	2.95	1.60	245.8	174.6	97.8	3.228	11.348
2026-04-16 15:05:02	6.45	4.30	2.90	1.60	247.3	171.8	99.2	3.227	11.392
2026-04-16 15:10:00	6.55	4.45	2.95	1.50	256.8	176.3	98.2	3.176	13.514
2026-04-16 15:15:01	6.60	4.25	2.85	1.60	255.3	170.2	99.2	3.210	12.856
2026-04-16 15:20:02	6.60	4.40	2.75	1.70	250.2	178.1	97.9	3.247	11.891
2026-04-16 15:25:00	6.65	4.25	2.70	1.60	246.3	177.3	97.9	3.304	10.769
2026-04-16 15:30:01	6.70	4.30	2.65	1.50	250.6	177.3	97.5	3.298	12.039
2026-04-16 15:35:02	6.70	4.20	2.55	1.60	246.8	175.1	97.0	3.328	11.262
2026-04-16 15:40:00	6.70	4.20	2.50	1.60	241.0	174.6	96.7	3.387	10.494
2026-04-16 15:45:01	6.70	4.05	2.75	1.65	250.5	172.5	103.1	3.344	11.882
2026-04-16 15:50:02	6.70	4.20	2.90	1.70	246.2	177.3	107.3	3.344	11.115
2026-04-16 15:55:00	6.65	4.20	2.90	1.70	247.1	176.7	106.6	3.326	11.484
2026-04-16 16:00:01	6.65	3.95	2.85	1.60	247.5	169.6	106.5	3.326	11.188
2026-04-16 16:05:02	6.65	3.90	2.80	1.55	246.7	168.1	104.9	3.326	11.052
2026-04-16 16:10:00	6.65	4.00	2.80	1.60	244.8	171.7	106.4	3.315	10.482
2026-04-16 16:15:01	6.70	3.90	2.75	1.65	249.6	171.5	104.8	3.317	11.284
2026-04-16 16:20:02	6.70	3.85	2.75	1.50	245.7	169.5	105.7	3.364	10.684
2026-04-16 16:25:00	6.65		2.70	1.50	248.7		105.6	3.367	11.472
2026-04-16 16:30:01	6.60	3.85	2.55	1.60	246.0	175.3	102.2	3.360	10.285
2026-04-16 16:35:02	6.60	3.70	2.55	1.50	257.4	169.8	103.1	3.316	12.480
2026-04-16 16:40:00	6.55	3.75	2.40	1.55	250.4	175.2	101.1	3.314	10.552
2026-04-16 16:45:01	6.45	3.70	2.45	1.20	239.5	172.0	102.4	3.393	8.893
2026-04-16 16:50:02	6.45	3.70	2.35	1.55	247.8	173.1	101.3	3.337	10.156
2026-04-16 16:55:00	6.45	3.60	2.45	1.50	243.3	172.8	105.7	3.381	9.048
2026-04-16 17:00:01	6.35	3.45	2.15	1.40	237.3	173.2	93.5	3.443	7.739
2026-04-16 17:05:02	6.30	3.35	2.45	1.50	249.1	167.0	108.1	3.381	10.109
2026-04-16 17:10:00	6.30	3.35	2.40	1.50	243.8	168.5	104.2	3.358	8.847
2026-04-16 17:15:01	6.25	3.40	2.30	1.15	244.1	170.1	107.2	3.349	8.832
2026-04-16 17:20:02	6.25	3.30	2.30	1.50	249.4	168.2	104.1	3.316	9.468
2026-04-16 17:25:00	6.35		2.20	1.50	263.3		106.0	3.190	11.324
2026-04-16 17:30:01	6.30		1.95	1.40	258.4		100.0	3.269	9.537
2026-04-16 17:35:02	6.30	2.90	2.00	1.50	253.5	171.4	103.0	3.329	8.658
2026-04-16 17:40:00	6.25		1.95	1.50	248.1		102.8	3.325	8.218
2026-04-16 17:45:01	6.30		2.05	1.40	246.8		106.7	3.358	7.806
2026-04-16 17:50:02	6.25	2.75	1.80	1.50	246.9	170.1	102.4	3.359	7.384
2026-04-16 17:55:00	6.20	2.55	1.80	1.50	255.6	172.0	103.4	3.311	8.151
2026-04-16 18:00:01	6.20		1.65	1.15	260.1		103.7	3.311	8.620
2026-04-16 18:05:02	6.20		1.75	1.55	268.3		101.6	3.279	10.084
2026-04-16 18:10:00	6.10		1.70	1.50	264.5		101.1	3.257	9.077
2026-04-16 18:15:01	6.20		1.90	1.50	267.2		99.0	3.176	10.104
2026-04-16 18:20:02	6.15		1.80	1.65	258.7		97.1	3.290	8.178
2026-04-16 18:25:00	6.15		1.55	1.50	266.8		110.0	3.274	7.850
2026-04-16 18:30:01	6.10		1.50	1.20	263.7		93.2	3.258	7.709
2026-04-16 18:35:02	6.10			1.55	273.7			3.215	7.749
2026-04-16 18:40:00	6.10			1.70	273.9			3.214	7.712
2026-04-16 18:45:01	6.10		1.15	1.00	272.0		91.5	3.213	8.219
2026-04-16 18:50:02	6.10			1.55	282.6			3.170	8.651
2026-04-16 18:55:00	6.10			1.50	286.9			3.117	8.626
2026-04-16 19:00:01	6.20		1.05	1.00	288.9		110.0	3.108	8.558
2026-04-16 19:05:02	6.20			1.60	288.4			3.148	7.963
2026-04-16 19:10:00	6.20			1.65	291.6			3.134	8.312
2026-04-16 19:15:01	6.20			1.30	290.5			3.135	7.789
2026-04-16 19:20:02	6.20			1.50	290.8			3.148	7.677
2026-04-16 19:25:00	6.20			1.55	288.4			3.148	7.079
2026-04-16 19:30:01	6.15			1.40	289.7			3.159	7.243
2026-04-16 19:35:02	6.00			1.55	282.5			3.169	5.810
2026-04-16 19:40:00	6.05			1.55	294.6			3.102	7.202
2026-04-16 19:45:01	6.05			1.00	303.5			3.075	8.076
2026-04-16 19:50:02	6.00			1.55	291.2			3.130	5.963

Ionosphere and Space Weather (ISW) section

Ionogram Characteristics