Ionosphere and Space Weather | Royal Meteorological Institute

Ionogram Characteristics

Date:

Date/Time (UT)	foF2	foF1	foE	fmin	hmF2	hmF1	hmE	M(3000)	TEC
2025-09-15 00:00:01	4.10			1.75	358.1			2.753	4.517
2025-09-15 00:05:02	4.10			1.80	365.0			2.669	4.519
2025-09-15 00:10:02	4.15			1.80	355.3			2.810	3.909
2025-09-15 00:15:01	3.80			1.65	342.0			2.848	2.578
2025-09-15 00:20:02	4.05			1.65	389.6			2.616	5.168
2025-09-15 00:25:02	4.00			1.65	381.7			2.668	4.422
2025-09-15 00:30:01	3.85			1.65	383.7			2.667	4.256
2025-09-15 00:35:02	3.85			1.70	384.3			2.648	4.246
2025-09-15 00:40:02	3.90			1.60	366.5			2.763	2.952
2025-09-15 00:45:01	3.90			1.70	393.2			2.624	4.480
2025-09-15 00:50:02	3.80			1.65	386.2			2.643	4.457
2025-09-15 00:55:02	3.85			1.70	391.3			2.586	4.371
2025-09-15 01:00:01	3.70			1.65	395.6			2.575	3.419
2025-09-15 01:05:02	3.75			1.70	423.1			2.422	4.788
2025-09-15 01:10:02	3.70			1.65	422.5			2.403	4.133
2025-09-15 01:15:01	3.30			1.50	363.4			2.780	1.997
2025-09-15 01:20:02	3.05			1.65	372.3			2.695	2.047
2025-09-15 01:25:02	3.15			1.80	385.5			2.675	2.410
2025-09-15 01:30:01	3.45			1.55	407.9			2.428	3.608
2025-09-15 01:35:02	3.30			1.65	398.1			2.448	3.105
2025-09-15 01:40:02	2.90			1.65	376.7			2.582	2.211
2025-09-15 01:45:01	3.20			2.05	437.2			2.326	3.569
2025-09-15 01:50:02	2.40			1.55	337.2			2.850	1.202
2025-09-15 01:55:02	2.90			1.55	392.0			2.469	2.555
2025-09-15 02:00:01	3.20			1.65	377.6			2.622	2.897
2025-09-15 02:05:02	3.15			1.65	372.8			2.595	2.675
2025-09-15 02:10:02	3.00			1.65	353.8			2.836	1.819
2025-09-15 02:15:01	3.10			1.55	382.6			2.595	2.533
2025-09-15 02:20:02	2.25			1.55	342.0			2.800	1.160
2025-09-15 02:25:02	2.40			1.65	345.8			2.819	1.185
2025-09-15 02:30:01	2.85			2.00	369.2			2.735	1.606
2025-09-15 02:35:02	3.25			1.65	410.6			2.363	3.391
2025-09-15 02:40:02									-1.000
2025-09-15 02:45:01	3.05			1.70	343.0			2.848	1.860
2025-09-15 02:50:02	3.05			2.85	328.0			2.929	1.772
2025-09-15 02:55:02	3.55			1.85	370.8			2.731	2.896
2025-09-15 03:00:01	3.10			1.75	302.0			3.177	1.228
2025-09-15 03:05:02	3.40			1.60	302.1			3.141	1.650
2025-09-15 03:10:02	3.45			1.65	304.2			3.083	2.213
2025-09-15 03:15:01	3.50			1.65	348.1			2.771	3.987
2025-09-15 03:20:02	3.10			1.55	322.0			2.961	2.385
2025-09-15 03:25:02	3.05			1.65	322.6			2.955	1.766
2025-09-15 03:30:01	2.45			1.65	304.3			3.190	0.779
2025-09-15 03:35:02	3.20			1.65	389.7			2.508	3.332
2025-09-15 03:40:02	3.20			1.55	375.7			2.640	3.031
2025-09-15 03:45:01	3.20			1.65	373.5			2.585	2.965
2025-09-15 03:50:02	3.25			1.55	375.2			2.564	3.085
2025-09-15 03:55:02	3.20			1.50	351.9			2.752	2.436
2025-09-15 04:00:01	3.50			1.75	365.6			2.604	3.449
2025-09-15 04:05:02	3.55			1.90	359.7			2.658	3.373
2025-09-15 04:10:02	3.30			1.65	331.8			2.809	2.282
2025-09-15 04:15:01	3.70			1.60	353.6			2.693	3.735
2025-09-15 04:20:02	3.80			1.70	347.4			2.769	3.687
2025-09-15 04:30:01	3.75			1.65	323.6			2.953	3.311
2025-09-15 04:35:02	3.80			1.75	302.7			3.067	2.503
2025-09-15 04:40:02	3.75			1.75	300.6			2.926	2.806
2025-09-15 04:45:01	3.85			1.80	289.5			3.140	2.986
2025-09-15 04:50:02	4.00			1.75	294.2			3.081	3.696
2025-09-15 04:55:02	3.90			1.75	281.1			3.163	3.193
2025-09-15 05:00:01	3.80			1.75	266.3			3.253	2.469
2025-09-15 05:05:02	3.70			1.70	280.8			3.212	3.491
2025-09-15 05:10:02	3.75			1.85	295.3			3.027	4.491
2025-09-15 05:15:01	3.50	1.75	1.25	1.20	249.5	179.5	110.0	3.250	2.368
2025-09-15 05:20:02	3.85			1.70	281.2			3.081	4.104
2025-09-15 05:25:02	3.75			1.60	251.1			3.287	2.411
2025-09-15 05:30:01	4.00			1.95	276.0			3.079	4.824
2025-09-15 05:35:08	4.10	1.75	1.60	1.50	271.4	134.5	110.0	3.061	5.694
2025-09-15 05:40:00	4.10		1.75	1.50	272.9		106.0	3.103	5.799
2025-09-15 05:45:01	4.10		1.75	1.15	256.9		102.9	3.187	4.814
2025-09-15 05:50:08	4.15	2.40	1.75	1.50	254.0	167.1	102.7	3.163	4.929
2025-09-15 05:55:00	4.10		1.80	1.50	252.3		102.4	3.187	4.591
2025-09-15 06:00:01	4.20	2.85	1.95	1.20	260.2	176.5	105.8	3.153	5.785
2025-09-15 06:05:08	4.25		2.05	1.60	265.0		110.0	3.088	5.908
2025-09-15 06:10:00	4.30		2.10	1.90	251.9		109.7	3.107	5.493
2025-09-15 06:15:01	4.50	2.45	1.95	1.20			103.2	3.033	-1.000
2025-09-15 06:20:08	4.65		2.00	1.65	259.4		103.8	3.119	7.148
2025-09-15 06:25:00	4.70		2.20	1.50	251.6		104.7	3.231	6.684
2025-09-15 06:30:01	4.75		2.15	1.20	248.9		103.7	3.241	6.859
2025-09-15 06:35:02	4.70		2.25	1.55	239.2		105.4	3.283	6.286
2025-09-15 06:40:00	4.60		1.95	1.50	230.9		91.5	3.315	5.712
2025-09-15 06:45:01	4.55		2.15	1.20	243.5		93.8	3.213	6.673
2025-09-15 06:50:02	4.45		2.25	1.60	236.0		91.4	3.223	6.450
2025-09-15 06:55:00	4.50		2.35	1.50	246.6		91.4	3.161	7.387
2025-09-15 07:00:01	4.50		1.90	1.15	255.3		91.7	3.157	7.418
2025-09-15 07:05:02	4.65		2.40	1.50	259.6		91.3	3.064	9.120
2025-09-15 07:10:00	4.80		2.40	1.75	274.7		91.7	2.979	10.367
2025-09-15 07:15:01	4.95		2.10	1.20	284.0		92.4	2.851	10.454
2025-09-15 07:20:02	4.85		2.35	1.50	254.0		91.7	2.958	8.149
2025-09-15 07:25:00	4.95		2.50	1.50	264.2		99.3	2.934	9.544
2025-09-15 07:30:01	5.00		2.50	1.20	262.4		93.3	2.923	9.600
2025-09-15 07:35:02	5.00	4.10	2.50	1.50	252.9	190.7	99.3	2.981	8.592
2025-09-15 07:40:00	5.00		2.65	1.50	257.5		102.5	3.045	9.503
2025-09-15 07:45:01	5.00		2.65	1.45	257.4		99.3	3.025	9.909
2025-09-15 07:50:02	5.00		2.75	1.50	263.1		100.7	3.053	10.754
2025-09-15 07:55:00	4.85		2.90	1.50	255.5		96.6	3.083	10.346

Ionosphere and Space Weather (ISW) section

Ionogram Characteristics