S O L A R R A D I O E M I S S I O N Selected Fixed Frequency Events Observing Station Ussurijsk Outstanding occurrences 1998 Data Freq.Stat. Type Start Time Dur. Flux density Polaris. time of max Peak Mean UT UT Min. (10 -22w/m 2 Hz) MHz 1.01 2804 1 S 01.30.3 01.30.7 1.2 2.3 1.01 2804 46 C 03.05.3 03.05.8 5.3 5.0 1.01 2804 29 PBI 03.10.6 03.10.6 50.0 1.8 4.01 2804 23 GRF 03.16.3 03.17.5 70.0 4.2 5.01 2804 21 GRF 01.51.2 01.53.2 79.0 4.1 12.01 2804 23 GRF 02.06.2 02.23.8 174D 4.0 12.01 2804 46 C 03.30.0 03.36.6 1.9 3.3 12.01 2804 1 S 04.44.4 04.44.7 1.2 4.3 12.01 2804 1 S 04.57.1 04.57.7 1.1 5.3 28.01 2804 1 S 02.51.8 02.52.2 0.6 11.0 29.01 2804 20 GRF 01.40.0 01.48.0 40.0 3.4 15.02 2804 2 S/F 01.01.6 01.02.5 2.5 70.0 15.02 2804 41 F 04.20.5 04.21.1 0.9 40.0 15.02 2804 41 F 04.20.5 04.24.3 0.3 18.0 15.02 2804 41 F 04.20.5 04.24.8 0.9 73.0 16.02 2804 21 GRF 03.02.5 03.20.0 6.2 10.0 16.02 2804 46 C 03.03.5 03.05.1 5.8 11.0 16.02 2804 3 S 03.13.1 03.15.0 2.5 5.0 17.02 2804 21 GRF 00.20.0 00.43.3 140.0 50. 17.02 2804 24 R 03.48.8 03.50.3 3.2 17.02 2804 46 C 04.27.5 04.28.8 1.9 10.0 21.02 2804 2 S/F 01.55.3 01.55.6 1.2 7.5 25.02 2804 3 S 02.01.2 02.02.5 1.8 3.2 25.02 2804 29 PBI 02.03.0 02.03.0 37.0 1.9 03.03 2804 46 C 00.09.8 00.10.7 1.2 3.1 03.03 2804 46 C 01.53.7 01.54.6 2.0 3.7 04.03 2804 21 GRF 05.52.5 06.04.3 22D 3.4 04.03 2804 1 S 05.59.7 06.00.1 0.9 2.7 06.03 2804 40 F 01.25.8 01.27.0 3.6 2.8 16.03 2804 8 S 00.58.0 00.58.1 0.4 3.4 16.03 2804 46 C 01.03.8 01.04.3 8.7 14.0 16.03 2804 29 PBI 01.12.5 01.12.5 14.0 3.7 16.03 2804 4 S/F 04.53.2 04.53.8 0.5 2.8 17.03 2804 21 GRF 00.00.0 00.40.0 105.0 9.0 17.03 2804 3 S 00.30.8 00.32.5 2.5 6.0 17.03 2804 3 S 04.21.8 04.22.3 2.5 3.7 18.03 2804 3 S 00.34.0 00.36.0 3.3 4.4 19.03 2804 32 PBS 00.12.5 00.30.0 48.0 3.7 19.03 2804 1 S 01.17.1 01.17.3 1.0 1.9 19.03 2804 4 S/F 01.21.3 01.26.0 9.0 22.0 19.03 2804 3 S 01.43.4 01.44.5 2.9 9.0 19.03 2804 29 PBI 01.46.3 01.46.3 13.0 3.1 23.03 2804 23 GRF 02.30.0 02.59.0 90.0 7.0 23.03 2804 3 S 02.59.6 03.03.6 3.1 6.0 24.03 2804 3 S 01.46.0 01.47.0 2.1 4.5 24.03 2804 3 S 04.41.8 04.43.1 3.1 8.0 25.03 2804 1 S 02.19.7 02.20.1 0.9 3.1 25.03 2804 3 S 23.35.0 23.35.8 3.1 2.1 26.03 2804 3 S 00.00.6 00.02.2 2.8 3.2 26.03 2804 2 S/F 00.55.8 00.56.2 3.0 2.1 26.03 2804 20 GRF 02.49.8 02.51.4 40.0 2.5 30.03 2804 4 S/F 23.47.5 23.49.3 2.7 15.0 03.04 2804 21 GRF 23.35.0 23.45.0 72.0 4.0 03.04 2804 46 C 23.42.5 23.46.4 8.8 27.0 05.04 2804 20 GRF 22.45.0 22.53.5 44.0 4.7 06.04 2804 8 S 02.26.7 02.26.8 0.2 6.0 08.04 2804 21 GRF 03.43.8 03.44.2 47D 6.0 08.04 2804 3 S 03.47.5 03.49.2 3.2 3.0 10.04 2804 20 GRF 02.05.0 02.16.0 45.0 4.6 11.04 2804 21 GRF 01.30.0 01.50.0 75.0 2.9 11.04 2804 46 C 02.06.2 02.09.4 6.8 2.6 11.04 2804 21 GRF 04.29.0 04.35.0 30D 6.0 11.04 2804 2 S/F 04.32.8 04.33.3 1.2 19.0 11.04 2804 3 S 04.52.2 04.54.4 5.6 3.5 16.04 2804 46 C 01.04.7 01.09.4 7.7 19.0 28.04 2804 1 S 23.45.0 23.45.6 1.3 2.7 29.04 2804 28 PRE 01.35.2 01.40.0 6.3 6.0 29.04 2804 3 S 01.41.5 01.43.1 3.7 11.0 29.04 2804 29 PBI 01.45.2 01.45.2 27.0 10.0 29.04 2804 3 S 03.53.7 03.55.2 2.3 24.0 01.05 2804 3 S 01.13.4 01.13.7 2.0 5.0 01.05 2804 46 C 22.30E 22.50 U 375.0 33.0 01.05 2804 29 PBI 23.07.0 23.07.0 53.0 12.0 04.05 2804 46 C 00.05.0 00.34.4 51.0 16.0 04.05 2804 46 C 23.58.1 00.02.5 8.8 15.0 05.05 2804 4 S/F 23.03.1 23.03.8 4.3 25.0 05.05 2804 46 C 23.27.5 23.04U 11.8 39.0 05.05 2804 29 PBI 23.46.8 23.46.8 83.0 24.0 06.05 2804 2 S/F 00.23.8 00.24.2 48.0 5.0 06.05 2804 2 S/F 00.33.1 00.33.7 1.5 5.0 07.05 2804 2 S/F 01.07.2 01.09.2 2.5 14.0 08.05 2804 28 PRE 01.47.5 01.56.4 8.9 3.4 08.05 2804 4 S/F 01.56.4 01.50.4 7.5 26.0 08.05 2804 8 S 23.41.2 23.41.4 0.3 4.0 09.05 2804 2 S/F 00.16.4 00.19.0 1.5 4.2 09.05 2804 22 GRF 01.48.2 01.52.5 40.0 3.7 09.05 2804 28 PRE 03.10.1 03.10.4 2.2 7.0 09.05 2804 46 C 03.12.7 03.15.6 373.0 22.0 09.05 2804 46 C 03.12.2 03.19.8 373.0 22.0 09.05 2804 46 C 03.12.7 03.23.2 373.0 68.0 09.05 2804 46 C 03.12.7 03.30.0 373.0 37.0 09.05 2804 46 C 03.12.7 03.40U 373.0 68.0 11.05 2804 1 S 23.42.0 23.42.2 0.6 8.0 14.05 2804 1 S 03.53.8 03.55.0 4.5 2.4 15.05 2804 8 S 02.19.6 02.19.7 0.3 5.0 15.05 2804 21 GRF 02.56.2 02.57.5 11.3 2.4 15.05 2804 22 GRF 00.35.0 00.41.0 135.0 3.6 15.05 2804 3 S 00.53.1 00.54.9 2.6 2.4 29.05 2804 28 PRE 00.53.8 00.54.2 1.4 2.4 29.05 2804 4 S/F 00.55.2 00.58.U 6.4 78.2 31.05 2804 46 C 03.55.0 03.55.8 1.8 14.9 31.05 2804 29 PBI 03.56.8 03.56.8 40D 2.7 02.07 2804 23 GRF 23.30.0 01.11.0 210.0 17.0 03.07 2804 1 S 00.27.2 00.34.0 9.0 5.0 08.07 2804 8 S 02.34.5 02.34.9 0.6 3.2 11.07 2804 1 S 00.44.4 00.45.3 1.2 4.5 11.07 2804 46 C 23.39.0 23.41.4 3.5 3.5 23.07 2804 28 PRE 03.14.8 03.15.4 10.6 7.0 23.07 2804 46 C 03.25.4 03.32.1 24.0 530.0 23.07 2804 46 C 04.01.5 04.02.7 2.0 5.0 28.07 2804 1 S 23.09.7 23.10.0 1.1 6.0 31.07 2804 8 S 03.08.0 03.08.0 0.4 4.3 05.08 2804 1 S 22.25.6 22.26.9 3.0 5.0 07.08 2804 1 S 00.06.5 00.07.1 1.1 4.3 07.08 2804 22 GRF 23.35.8 23.38.1 49.0 5.0 08.08 2804 23 GRF 01.52.5 02.20.0 55.0 4.0 08.08 2804 1 S 01.58.0 01.58.8 1.4 17.0 08.08 2804 2 S/F 02.13.8 02.15.5 4.2 31.0 08.08 2804 46 C 02.29.3 02.31.0 6.0 5.0 08.08 2804 4 S/F 03.14.5 03.15.3 5.0 40.0 08.08 2804 1 S 03.47.5 03.50.0 5.0 3.8 08.08 2804 46 C 23.35.0 23.36.5 2.5 10.0 12.08 2804 1 S 05.57.5 05.58.7 2.5 4.7 14.08 2804 1 S 00.58.0 00.59.0 6.3 5.0 17.08 2804 1 S 02.18.8 02.19.2 3.6 7.0 18.08 2804 2 S/F 02.44.2 02.44.8 2.0 7.0 18.08 2804 1 S 04.01.5 04.02.5 1.4 4.5 18.08 2804 46 C 04.09.0 04.11.8 11.0 23.0 18.08 2804 49 GB 22.15E 22.40.5 270D 1007.0 19.08 2804 8 S 02.52.2 02.52.2 0.3 8.0 19.08 2804 3 S 03.49.4 03.52.0 6.5 5.0 20.08 2804 46 C 00.24.0 00.29.2 10.0 49.0 20.08 2804 29 PBI 00.34.0 00.34.0 60.0 5.8 22.08 2804 46 Ñ 00.00.0 00.25.0 12.5 277.0 22.08 2804 29 PBI 00.12.5 00.23.7 60.0 11.0 24.08 2804 46 C 22.20E 22.20E 17.5D 127.0 24.08 2804 29 PBI 22.37.5 22.37.5 210.0 48.0 29.08 2804 3 S 03.42.5 03.43.8 2.7 3.0 03.09 2804 3 S 00.27.5 00.28.9 2.4 4.3 04.09 2804 22 GRF 23.22.5 23.48.2 118.0 7.8 04.09 2804 3 S 23.25.6 23.26.8 4.4 8.6 06.09 2804 4 S/F 02.11.2 02.12.6 2.5 86.4 10.09 2804 21 GRF 02.00.0 03.00.0 110.0 7.9 20.09 2804 4 S/F 02.36.2 02.40.8 38.4 69.6 20.09 2804 29 PBI 03.14.2 03.14.2 50.0 17.4 20.09 2804 2 S/F 03.52.5 03.54.4 4.0 6.6