Ionosphere and Space Weather | Royal Meteorological Institute

Ionogram Characteristics

Date:

Date/Time (UT)	foF2	foF1	foE	fmin	hmF2	hmF1	hmE	M(3000)	TEC
2025-05-30 00:00:01	5.10			1.35	406.5			2.493	9.279
2025-05-30 00:05:02	5.00			1.75	396.4			2.534	7.877
2025-05-30 00:10:02	5.20			1.65	424.5			2.404	10.841
2025-05-30 00:15:01	5.10			1.55	405.3			2.450	8.906
2025-05-30 00:20:02	5.15			1.75	401.9			2.488	8.630
2025-05-30 00:25:02	5.00			1.55	386.0			2.577	7.428
2025-05-30 00:30:01	5.10			1.35	401.1			2.522	9.025
2025-05-30 00:35:02	4.95			1.55	376.6			2.608	6.290
2025-05-30 00:40:02	4.90			1.55	391.5			2.559	7.438
2025-05-30 00:45:01	4.90			1.15	393.7			2.563	7.659
2025-05-30 00:50:02	4.90			1.55	408.3			2.534	8.892
2025-05-30 00:55:02	4.80			1.55	400.3			2.540	7.823
2025-05-30 01:00:01	4.75			1.35	390.9			2.549	6.944
2025-05-30 01:05:02	4.60			1.55	376.6			2.610	5.621
2025-05-30 01:10:02	4.50			1.75	379.5			2.625	5.991
2025-05-30 01:15:01	4.40			1.15	375.4			2.648	5.464
2025-05-30 01:20:02	4.30			1.75	370.7			2.651	4.831
2025-05-30 01:25:02	4.25			1.80	374.1			2.601	4.624
2025-05-30 01:30:01	4.40			1.55	400.4			2.489	6.561
2025-05-30 01:35:02	4.10			1.60	393.3			2.575	5.760
2025-05-30 01:40:02	4.05			1.70	405.8			2.510	6.045
2025-05-30 01:45:01	3.75			1.55	378.0			2.617	3.912
2025-05-30 01:50:02	3.85			1.50	414.8			2.438	5.784
2025-05-30 01:55:02	3.70			1.80	391.4			2.507	4.374
2025-05-30 02:00:01	3.55			1.55	378.7			2.564	3.584
2025-05-30 02:05:02	3.55			1.75	386.6			2.499	3.862
2025-05-30 02:10:02	3.60			1.65	406.1			2.425	4.717
2025-05-30 02:15:01	3.65			1.75	389.2			2.498	3.794
2025-05-30 02:20:02	3.15			1.55	352.4			2.700	2.260
2025-05-30 02:25:02	3.10			1.75	345.7			2.734	2.154
2025-05-30 02:30:01	3.40			1.20	379.6			2.600	3.551
2025-05-30 02:35:02	3.15			1.75	345.1			2.764	2.318
2025-05-30 02:40:02	3.05			1.55	331.6			2.895	1.832
2025-05-30 02:45:01	3.20			1.20	339.9			2.809	2.089
2025-05-30 02:50:02	3.55			1.60	381.2			2.552	4.602
2025-05-30 02:55:02	3.45			1.75	367.0			2.626	4.136
2025-05-30 03:00:01	3.50			1.35	376.5			2.611	4.448
2025-05-30 03:05:02	3.45			1.60	370.2			2.658	4.487
2025-05-30 03:10:02	3.40			1.65	356.3			2.717	4.003
2025-05-30 03:15:01	3.60		1.25	1.20	357.6		110.0	2.549	4.850
2025-05-30 03:20:02	3.45			1.75	367.0			2.624	4.875
2025-05-30 03:25:02	3.55			1.75	382.7			2.487	5.733
2025-05-30 03:30:01	3.55		1.30	1.05	363.6		98.1	2.502	5.643
2025-05-30 03:35:02	3.60			1.80	367.5			2.497	5.346
2025-05-30 03:40:02	3.65			1.85	384.4			2.505	6.947
2025-05-30 03:45:01	3.70		1.25	1.15	365.2		110.0	2.503	6.450
2025-05-30 03:50:02	3.05		1.55	1.50	274.6		110.0	2.821	3.012
2025-05-30 03:55:02	3.65		1.55	1.50	341.2		110.0	2.543	6.066
2025-05-30 04:00:01	3.65		1.75	1.00	306.6		97.0	2.671	5.280
2025-05-30 04:05:02	3.70		1.75	1.55	315.0		98.2	2.563	5.675
2025-05-30 04:10:02	3.70		1.75	1.60	305.9		97.9	2.641	5.384
2025-05-30 04:15:01	3.70	3.10	1.90	1.00	297.9	241.3	98.8	2.670	5.285
2025-05-30 04:20:02	3.70		1.90	1.75	303.4		97.9	2.640	5.446
2025-05-30 04:25:02			1.75	1.65					-1.000
2025-05-30 04:30:01	4.00	3.05	1.90	1.00	306.7	214.3	97.2	2.606	6.673
2025-05-30 04:35:02	4.00	3.00	1.95	1.80	294.7	192.0	97.4	2.728	6.376
2025-05-30 04:40:02	4.15		2.00	1.85	317.9		97.4	2.681	8.577
2025-05-30 04:45:01	3.95	3.35	2.10	1.00	283.4	225.9	98.3	2.803	6.098
2025-05-30 04:50:02	4.05		2.10	1.75	291.5		102.7	2.689	6.815
2025-05-30 04:55:02	4.15		2.20	1.70	272.3		103.7	2.748	6.157
2025-05-30 05:00:01			2.05	1.10					-1.000
2025-05-30 05:05:02	4.05		2.30	1.65	256.5		102.2	3.078	6.145
2025-05-30 05:10:02	4.15		2.30	1.55	289.4		102.0	3.050	8.597
2025-05-30 05:15:01	4.10		2.20	1.00	278.1		100.2	3.089	7.602
2025-05-30 05:20:02	3.60		2.20	1.75	214.2		99.4	3.516	4.069
2025-05-30 05:25:02	4.10		2.45	1.55	275.2		100.5	3.215	7.919
2025-05-30 05:30:01	3.65		2.40	1.15	198.2		102.1	3.620	3.468
2025-05-30 05:35:08	4.15		2.45	1.50	257.6		102.1	3.227	7.375
2025-05-30 05:40:00	4.20		2.55	1.75	263.6		100.3	2.684	7.126
2025-05-30 05:45:01	3.50		2.40	1.00	160.5		98.5	4.114	1.814
2025-05-30 05:50:08	3.65		2.45	1.65	169.3		98.6	3.899	2.470
2025-05-30 05:55:00	3.80		2.45	1.75	182.0		98.5	3.678	3.056
2025-05-30 06:00:01	3.80		2.65	1.00	177.8		100.8	3.744	3.148
2025-05-30 06:05:08	3.90		2.75	1.50	190.6		101.8	3.692	4.045
2025-05-30 06:10:00			2.75	2.40					-1.000
2025-05-30 06:15:01	3.80			3.45	180.9			3.724	2.685
2025-05-30 06:20:08			2.80	1.80					-1.000
2025-05-30 06:25:00	4.65		2.65	1.70	262.5		98.2	3.184	9.532
2025-05-30 06:30:01	3.90		2.50	1.35	183.1		96.9	3.756	3.607
2025-05-30 06:35:02	4.75	4.35	2.85	1.60	244.4	209.6	101.0	3.193	8.372
2025-05-30 06:40:00	4.00		2.55	1.50	192.7		96.9	3.736	4.436
2025-05-30 06:45:01	4.85		2.95	1.00	252.3		102.1	3.157	9.540
2025-05-30 06:50:02	4.80		2.70	1.95	253.7		97.6	3.201	8.895
2025-05-30 06:55:00	4.85		2.80	1.50	247.7		98.9	3.202	9.340
2025-05-30 07:00:01	4.85		2.85	1.05	261.0		99.9	3.140	10.238
2025-05-30 07:05:02	4.10		2.85	1.50	170.9		99.0	3.828	3.454
2025-05-30 07:10:00	4.80		3.05	1.50	257.2		99.2	3.318	11.068
2025-05-30 07:15:01	4.95		2.90	1.45	294.0		99.0	2.395	12.610
2025-05-30 07:20:02			2.95	1.50					-1.000
2025-05-30 07:25:00	4.85	4.10	3.05	1.50	279.2	157.5	101.5	3.397	12.824
2025-05-30 07:30:01	4.95		2.95	1.10	289.3		99.1	3.396	13.570
2025-05-30 07:35:02	4.90		2.95	2.15	270.8		98.2	3.394	12.995
2025-05-30 07:40:00	4.95		3.00	1.55	239.9		99.1	3.508	9.949
2025-05-30 07:45:01	5.05	4.10	2.90	1.25	247.9	146.9	96.3	3.441	11.157
2025-05-30 07:50:02	5.15		3.05	1.60	301.5		97.5	3.436	15.794
2025-05-30 07:55:00	5.35	4.05	3.10	1.90	264.8	137.6	97.5	3.371	12.441
2025-05-30 08:00:01	5.40		3.05	1.50	294.0		97.1	2.558	13.470
2025-05-30 08:05:02			3.05	1.65					-1.000
2025-05-30 08:10:00	5.50	3.95	3.00	1.60	251.1	131.7	96.4	3.292	10.545
2025-05-30 08:15:01	5.25	4.40	3.10	1.85	235.7	170.5	97.1	3.388	10.139
2025-05-30 08:20:02	5.15		3.05	1.75	242.3		96.7	2.938	9.209
2025-05-30 08:25:00	4.85	4.40	3.10	1.55	213.4	176.9	97.1	3.465	7.517
2025-05-30 08:30:01	4.70	3.95	3.00	1.25	184.1	138.9	96.1	3.652	5.348
2025-05-30 08:35:02	4.75		2.75	2.00	190.7		94.5	3.587	5.634
2025-05-30 08:40:00			3.05	1.75					-1.000
2025-05-30 08:45:01			2.95	1.75					-1.000
2025-05-30 08:50:02			3.00	1.50					-1.000
2025-05-30 08:55:00	4.55		3.15	1.90	184.0		96.8	3.792	5.739
2025-05-30 09:00:01	4.50		3.30	1.25	168.9		97.7	3.810	4.601
2025-05-30 09:05:02	4.75		3.10	1.95	190.0		96.7	3.725	6.256
2025-05-30 09:10:00	4.50		3.35	1.95	153.8		98.2	4.038	3.494
2025-05-30 09:15:01	4.60		3.30	1.95	161.8		96.8	4.133	4.231
2025-05-30 09:20:02	4.65		3.30	1.85	168.7		96.8	3.612	4.859
2025-05-30 09:25:00	4.55		3.10	1.80	156.9		95.0	3.909	3.654
2025-05-30 09:30:01	4.60		3.55	1.90	155.2		100.4	3.845	3.894
2025-05-30 09:35:02	4.50		3.35	1.50	142.7		96.9	3.953	2.954
2025-05-30 09:40:00	5.30		3.25	2.35	249.9		95.7	2.624	12.030
2025-05-30 09:45:01	5.35		3.15	2.20	275.2		94.1	2.415	14.218
2025-05-30 09:50:02				3.60					-1.000
2025-05-30 09:55:00			3.25	2.05					-1.000
2025-05-30 10:00:01			3.35	1.90					-1.000
2025-05-30 10:05:02	5.50		3.45	2.05	263.5		95.5	2.428	14.335
2025-05-30 10:10:00	5.65		3.40	1.85	259.8		95.2	2.613	14.075
2025-05-30 10:15:01	5.75		3.45	1.95	243.6		95.5	2.758	12.767
2025-05-30 10:20:02	6.00		3.60	2.05	255.2		96.9	2.845	14.436
2025-05-30 10:25:00	6.10		3.40	1.95	248.3		95.2	2.919	13.494
2025-05-30 10:30:01	6.25		3.60	1.90	253.2		96.9	2.950	14.447
2025-05-30 10:35:02	6.25		3.60	2.05	237.9		96.9	3.012	13.403
2025-05-30 10:40:00	6.25		3.60	2.15	254.1		96.9	3.027	13.958
2025-05-30 10:45:01	6.30		3.40	2.05	258.3		95.2	2.967	15.539
2025-05-30 10:50:02	6.30		3.65	2.40	261.1		96.9	3.022	14.838
2025-05-30 10:55:00	6.20		3.65	2.25	230.2		96.9	3.113	12.697
2025-05-30 11:00:01			3.65	2.65					-1.000
2025-05-30 11:05:02			3.65	2.50					-1.000
2025-05-30 11:10:00			3.65	2.40					-1.000
2025-05-30 11:15:01	5.70		3.65	2.40	216.7		96.9	3.008	10.993
2025-05-30 11:20:02	5.70		3.65	2.60	227.0		96.9	2.912	11.965
2025-05-30 11:25:00			3.35	2.50					-1.000
2025-05-30 11:30:01			3.60	2.25					-1.000
2025-05-30 11:35:02			3.15	2.00					-1.000
2025-05-30 11:40:00				3.65					-1.000
2025-05-30 11:45:01	4.95		3.05	1.60	204.5		93.5	3.537	7.952
2025-05-30 11:50:02	5.60			3.65	271.6			3.231	14.226
2025-05-30 11:55:00	5.60		2.90	2.30	259.7		92.8	2.613	13.116
2025-05-30 12:00:01	5.70		2.80	1.95	276.5		92.7	3.174	14.658
2025-05-30 12:05:02	5.55	4.70	2.75	1.85	223.5	157.1	92.5	3.437	10.772
2025-05-30 12:10:00	5.65		3.35	2.85	243.7		96.9	2.744	12.615
2025-05-30 12:15:01	5.85		2.95	2.15	281.1		94.2	2.650	16.243
2025-05-30 12:20:02	5.75	4.75	2.95	2.85	252.9	178.4	110.0	3.204	12.348
2025-05-30 12:25:00	6.05		3.40	1.85	261.8		97.2	2.712	15.032
2025-05-30 12:30:01	6.15		3.05	2.05	273.4		95.2	2.792	15.357
2025-05-30 12:35:02	6.35		3.10	2.35	273.8		96.5	2.800	17.502
2025-05-30 12:40:00	6.20	4.70	3.10	2.45	259.9	173.5	95.5	2.895	13.778
2025-05-30 12:45:01	6.35	4.75	3.55	1.80	258.6	178.4	100.0	2.920	13.809
2025-05-30 12:50:02	6.25	4.85	2.45	2.30	262.4	197.1	92.3	2.967	12.684
2025-05-30 12:55:00	6.20	4.50	3.10	1.95	260.3	150.0	95.6	2.882	15.379
2025-05-30 13:00:01	6.20		3.55	2.00	274.3		99.5	2.958	16.282
2025-05-30 13:05:02	4.80		3.50	2.15	174.8		98.8	3.487	5.569
2025-05-30 13:10:00	6.00		3.35	2.05	285.9		97.3	2.915	17.773
2025-05-30 13:15:01	6.00	4.95	3.50	2.50	292.5	191.2	99.3	2.840	18.768
2025-05-30 13:20:02	6.00		3.50	2.30	267.5		99.4	2.724	14.580
2025-05-30 13:25:00	6.00	4.60	3.40	2.05	259.7	154.0	98.2	2.882	14.215
2025-05-30 13:30:01	6.15		3.10	2.05	252.7		95.8	2.868	13.423
2025-05-30 13:35:02	5.90	4.80	3.40	1.95	247.6	181.9	98.2	2.999	12.349
2025-05-30 13:40:00	6.20	4.90	3.15	1.90	275.1	200.7	96.2	2.857	15.451
2025-05-30 13:45:01	6.30		3.15	2.10	266.8		96.1	2.833	14.889
2025-05-30 13:50:02	6.40	5.05	3.10	1.95	279.1	197.6	96.1	2.746	17.052
2025-05-30 13:55:00	6.30		3.30	2.00	251.9		97.7	2.856	14.664
2025-05-30 14:00:01	6.60		3.00	2.00	269.4		95.6	2.784	17.408
2025-05-30 14:05:02	6.40		2.90	1.80	238.0		95.0	3.080	12.490
2025-05-30 14:10:00	6.65		3.25	1.60	242.6		97.3	2.975	15.012
2025-05-30 14:15:01	6.60		3.10	1.90	252.9		96.4	2.889	16.311
2025-05-30 14:20:02	6.50		2.85	1.90	238.2		94.8	2.941	13.592
2025-05-30 14:25:00			3.20	2.20					-1.000
2025-05-30 14:30:01	5.95		3.25	1.90	328.8		97.6	2.255	19.934
2025-05-30 14:35:02			3.40	1.80					-1.000
2025-05-30 14:40:00			3.20	1.80					-1.000
2025-05-30 14:45:01			2.95	2.05					-1.000
2025-05-30 14:50:02	6.50		3.20	1.75	166.8		97.6	4.368	5.079
2025-05-30 14:55:00			3.15	1.95					-1.000
2025-05-30 15:00:01			3.20	1.95					-1.000
2025-05-30 15:05:02			3.10	1.95					-1.000
2025-05-30 15:10:00	6.10		3.10	2.15	241.2		97.3	2.872	13.034
2025-05-30 15:15:01	6.25		3.30	1.85	257.7		100.2	2.877	14.782
2025-05-30 15:20:02	6.05		3.30	1.75	238.9		100.2	3.063	11.610
2025-05-30 15:25:00	6.10	4.55	3.30	2.05	253.5	172.4	99.3	3.002	12.580
2025-05-30 15:30:01	6.10	4.65	3.25	1.60	269.4	181.8	100.2	2.860	14.771
2025-05-30 15:35:02	5.25	4.55	3.10	1.70	216.8	177.6	98.0	3.225	7.914
2025-05-30 15:40:00	6.25		3.20	1.80	282.8		100.2	2.810	16.226
2025-05-30 15:45:01	6.20	4.40	3.00	1.95	265.2	170.8	97.4	2.935	13.229
2025-05-30 15:50:02	6.10	4.60	3.20	2.05	253.0	181.4	100.1	3.000	11.900
2025-05-30 15:55:00	6.05	4.40	3.05	1.55	252.8	171.5	98.5	3.008	11.759
2025-05-30 16:00:01	6.05		3.00	1.70	260.3		97.9	2.955	12.549
2025-05-30 16:05:02	5.85	4.75	2.95	1.80	432.3	261.6	97.8	2.787	29.247
2025-05-30 16:10:00	6.00		3.00	1.85	294.0		98.4	2.666	16.381
2025-05-30 16:15:01	6.00	4.80	3.10	1.70	292.3	206.3	99.3	2.647	15.932
2025-05-30 16:20:02	5.80		3.05	1.55	255.3		100.1	2.861	11.701
2025-05-30 16:25:00	5.95	4.65	2.70	1.60	271.2	204.4	96.5	2.867	12.311
2025-05-30 16:30:01	6.05	4.75	2.65	1.50	278.3	209.8	96.5	2.834	13.096
2025-05-30 16:35:02	6.20	4.50	2.80	1.50	295.4	198.5	99.9	2.784	15.695
2025-05-30 16:40:00	6.25	4.40	2.95	1.90	290.8	193.7	104.1	2.838	15.084
2025-05-30 16:45:01	6.25	4.45	2.55	1.65	281.0	199.6	96.0	2.898	13.102
2025-05-30 16:50:02	6.30	4.55	2.50	1.65	279.7	206.0	96.0	2.914	12.680
2025-05-30 16:55:00	6.35	4.55	2.50	1.80	276.9	205.4	95.8	2.948	12.241
2025-05-30 17:00:01	6.35	4.30	2.65	1.75	267.9	194.5	98.8	3.039	11.110
2025-05-30 17:05:02	6.40	4.20	2.65	1.60	259.1	188.3	99.0	3.103	10.606
2025-05-30 17:10:00	6.45	4.30	2.50	1.65	265.7	193.9	97.6	3.079	11.290
2025-05-30 17:15:01	6.55		2.50	1.45	284.9		98.6	2.984	14.666
2025-05-30 17:20:02	6.30	4.05	2.55	1.80	258.1	184.7	99.1	3.113	10.161
2025-05-30 17:25:00	6.45		2.50	1.50	277.6		98.9	2.979	13.194
2025-05-30 17:30:01	6.40		2.35	1.25	270.3		97.3	3.065	11.318
2025-05-30 17:35:02	6.55	4.00	2.40	1.60	272.2	187.8	98.0	3.057	11.953
2025-05-30 17:40:00	6.60	4.10	2.40	1.50	267.8	191.5	98.8	3.098	11.581
2025-05-30 17:45:01	6.65		2.20	1.60	273.3		96.4	3.102	13.087
2025-05-30 17:50:02	6.60	3.90	2.20	1.50	266.6	187.9	97.6	3.184	11.416
2025-05-30 17:55:00	6.60	3.85	2.15	1.60	253.8	186.4	97.3	3.248	8.929
2025-05-30 18:00:01	6.30	4.00	2.10	1.25	245.9	195.0	97.7	3.337	7.321
2025-05-30 18:05:02	6.30	3.55	2.10	1.50	257.5	181.0	97.7	3.283	9.567
2025-05-30 18:10:00	6.00	3.25	2.15	1.50	248.2	175.2	99.9	3.297	7.770
2025-05-30 18:15:01	6.15	3.30	2.10	1.15	287.1	174.1	100.7	3.019	13.737
2025-05-30 18:20:02	5.95		1.95	1.50	266.0		98.1	3.042	9.550
2025-05-30 18:25:00	6.25		1.95	1.50	292.4		97.5	2.920	12.804
2025-05-30 18:30:01	6.30	3.95	1.85	1.40	288.7	203.6	97.3	3.010	11.943
2025-05-30 18:35:02	6.15		2.10	1.50	267.4		103.5	3.147	8.462
2025-05-30 18:40:00	6.35		2.05	1.80	273.1		102.0	3.101	9.888
2025-05-30 18:45:01	6.35		2.00	1.45	281.6		102.8	3.074	11.442
2025-05-30 18:50:02	6.25	2.70	1.95	1.50			104.6	3.096	-1.000
2025-05-30 18:55:00	6.30		2.00	1.55	281.9		106.1	3.047	11.152
2025-05-30 19:00:01	6.25		1.85	1.40	280.0		106.0	3.071	9.918
2025-05-30 19:05:02	6.00		1.90	1.85	267.4		110.0	3.141	7.784
2025-05-30 19:10:00	6.00			1.50	276.8			3.110	8.243
2025-05-30 19:15:01	5.80		1.65	1.60	265.8		110.0	3.205	6.277
2025-05-30 19:20:02	5.80	2.15		1.55				3.147	-1.000
2025-05-30 19:25:00	6.00	1.90		1.60	289.2	135.3		3.001	9.852

Ionosphere and Space Weather (ISW) section

Ionogram Characteristics