S O L A R R A D I O E M I S S I O N SPECTRAL OBSERVATIONS STATION : ASTROPHYSIKALISCHES INSTITUT POTSDAM OBSERVATORIUM FUER SOLARE RADIOASTRONOMIE D - 14552 TREMSDORF (GERMANY) FREQUENCY RANGE : 40 - 800 MHz MONTH : APRIL YEAR :2002 -------------------------------------------------------------------------------------------------------------- 1 2 3 4 5 6 7 8 9 10 11 12 -------------------------------------------------------------------------------------------------------------- 020401 0450 1745 POTS 0529 U 1623 U I S,N,DC 2 110U 360 400-800 MHz no data 020402 0450 1745 POTS 0454 E 1210 U I S,N 1 200U 380 400-800 MHz no data 020402 POTS 1139.2 1141.5 III GG 3 40X 320 020402 POTS 1140.2 1140.5 V 2 40X 70 020402 POTS 1343 U 1537 U I S,N 1 200U 300 020402 POTS 1436.6 1436.8 UNCLF 1 110U 170U 020403 0445 1745 POTS 0453 U 1617 U I S,N,DC 2 110U 400X 400-800 MHz no data 020403 POTS 0656.9 0657.3 III G 1 110U 380 020403 POTS 0817.8 1002.2 III GG,S,N 2 110U 360 020403 POTS 1130.2 1135.8 III GG,S 3 40X 400X 020404 0445 1750 POTS 0450 E 1057 U I S,N,DC 2 110U 400X 400-800 MHz no data 020404 POTS 0809.0 0809.5 III G 3 40X 400X 020404 POTS 0809.4 0810.2 V 3 40X 70 020404 POTS 1006.4 1006.8 III G 3 40X 350 020404 POTS 1006.7 1007.0 V 2 40X 70 020404 POTS 1042.8 1046.1 III GG 2 40X 170U 020404 POTS 1044.7 1045.2 V G 2 40X 70 020404 POTS 1101 U 1549 U I S,N,DC 2 200U 350 020404 POTS 1148.8 1155.2 III GG 2 60 400X 020404 POTS 1230.2 1230.3 III B 2 110U 170U 020404 POTS 1334.2 1334.4 III G 2 110U 300 020404 POTS 1411.2 1411.6 III G 2 110U 320 020404 POTS 1503.3 1503.5 III B 2 110U 250 020404 POTS 1531.2 1532.5 II 2 110U 370 020404 POTS 1602 U 1732 U I S,N 1 150 300 020405 0445 1750 POTS 0445 E 0657 U I S,N,DC 2 150 380 400-800 MHz no data 020405 POTS 0722.7 0723.9 III G 2 60 360 020405 POTS 0724.8 0725.5 DCIM 2 200U 360 020405 POTS 0740.5 1150 U I S,N,DC 2 200U 400X 020405 POTS 1012.3 1014.3 III G 2 40X 360 020405 POTS 1014.2 1014.8 V G 3 40X 70 020405 POTS 1040.6 1040.8 III G 1 110U 170U 020405 POTS 1103.7 1104.2 III G 2 40X 240 020405 POTS 1219.0 1223.5 I S,N 2 200U 300 020405 POTS 1401.4 1404.2 III G 1 110U 220 020405 POTS 1433 U 1444 U I S 1 250 350 020405 POTS 1511.4 1511.8 III G,W 1 110U 170U 020405 POTS 1611.2 1611.8 III G,W 1 110U 170U 020405 POTS 1705.5 1705.8 III B 1 40X 300 020406 0440 1750 POTS 0448 U 1322 U I S,N,DC 2 200U 380 400-800 MHz no data 020406 POTS 0610.2 0625.0 III GG,N 2 110U 300 020406 POTS 0707.5 0710.6 III G 2 40X 300 020406 POTS 0710.3 0711.9 V G 2 40X 130 020406 POTS 0845.7 0845.9 III B 1 40X 130 020406 POTS 0855.1 0855.3 UNCLF 1 40X 60 020406 POTS 0904.9 0905.2 UNCLF 1 40X 60 020406 POTS 0909.2 0917.3 III GG,N 3 40X 300 020406 POTS 0916.2 0916.9 V G 2 40X 130 020406 POTS 0934.3 0935.9 III G 2 110U 360 020406 POTS 0938.8 0939.0 III B 2 40X 300 020406 POTS 1021.7 1022.4 III G 1 40X 360 020406 POTS 1030.8 1032.7 III G,W 1 40X 300 020406 POTS 1126.1 1134.3 III GG 2 40X 300 020406 POTS 1159.0 1159.2 III B,W 1 110U 150 020406 POTS 1246.9 1248.9 III G 2 40X 150 020406 POTS 1248.8 1249.6 V B 2 40X 70 020406 POTS 1331.7 1337.8 III G,W 1 110U 150 020406 POTS 1357.0 1401.2 III G,N 2 40X 220 020406 POTS 1438 U 1503 U I S,N 1 200U 260 020407 0440 1750 POTS 0442 U 1541 U I S,N,DC 2 200U 350 400-800 MHz no data 020407 POTS 0814.7 1018.3 III GG,N 1 110U 220 020407 POTS 0845.8 0849.8 UNCLF N 1 40X 70 020407 POTS 1114.2 1114.5 III B 1 40X 140 020407 POTS 1129.1 1135.7 III G 2 40X 300 020407 POTS 1240.9 1246.4 III GG 3 40X 360 020407 POTS 1244.2 1246.2 V G 3 40X 70 020407 POTS 1325.3 1325.8 III G 2 40X 150 020407 POTS 1335.3 1341.7 III GG 3 40X 400X 020407 POTS 1337.4 1341.3 V G 3 40X 70 020407 POTS 1358.0 1358.3 III B 3 40X 220 020407 POTS 1358.2 1358.5 V B 3 40X 70 020407 POTS 1406.3 1410.5 III G 2 40X 300 020407 POTS 1420.6 1430.1 III GG,N 2 40X 300 020407 POTS 1421.1 1423.0 V G 2 40X 70 020407 POTS 1423.2 1423.8 UNCLF UE 1 130 220 020407 POTS 1517.0 1519.3 UNCLF 1 110U 150 020407 POTS 1630.4 1630.7 UNCLF 1 110U 150 020407 POTS 1652.8 1653.3 III G 2 40X 300 020408 0856 1750 POTS 0856 E 1159 U I S,N,DC 1 200U 320 400-800 MHz no data 020408 POTS 0926.2 0927.2 DCIM 2 200U 380 020408 POTS 0945.8 0946.3 UNCLF 1 40X 220 020408 POTS 1055.9 1058.5 III G,W 1 40X 130 020408 POTS 1114.2 1114.8 III G,W 1 40X 150 020408 POTS 1119.4 1120.2 III G 2 40X 360 020408 POTS 1144.5 1150.7 III G,N,W 1 40X 170U 020408 POTS 1232.8 1233.2 UNCLF 2 40X 70 020408 POTS 1243.5 1243.7 III B,W 1 110U 220 020408 POTS 1243.5 1250 U I S,DC 1 200U 300 020408 POTS 1335.3 1611 U I S,N,DC 2 110U 360 020408 POTS 1614.4 1618.2 II UE 2 110U 170U 020408 POTS 1652.7 1653.8 UNCLF 2 200U 340 020408 POTS 1723.6 1727.0 UNCLF 1 200U 300 020409 0430 1800 POTS 0434 U 1736 U I S,DC,C 2 110U 380 400-800 MHz no data 020409 POTS 0538.6 0539.0 III G 2 110U 400X 020409 POTS 0638.2 0641.5 III G,N 2 110U 400X 020409 POTS 0758.0 0806.5 III GG,N 2 40X 250 020409 POTS 0918.3 0919.3 III G 2 40X 250 020409 POTS 0939.4 0937.2 III G,N 1 40X 150 020409 POTS 1029.8 1031.9 III G 2 40X 110 020409 POTS 1205.5 1206.6 III G 1 40X 140 020409 POTS 1214.3 1215.4 III G 3 40X 300 020409 POTS 1214.6 1215.7 V G 3 40X 70 020409 POTS 1245.2 1253.0 III GG,N 1 40X 300 020409 POTS 1330.9 1331.7 III G 1 40X 220 020409 POTS 1343.3 1344.1 III G 3 40X 300 020409 POTS 1419.8 1425.8 III GG 3 40X 300 020409 POTS 1449.4 1500.6 III GG,N 3 40X 300 020409 POTS 1515.9 1516.4 III G 2 40X 300 020409 POTS 1550.2 1635.0 III GG,N 3 40X 380 020409 POTS 1657.7 1658.3 UNCLF 2 40X 70 020409 POTS 1714.2 1714.5 UNCLF 1 40X 60 020410 0430 1800 POTS 0441 U 1042 U I S,N,DC 1 110U 400X 400-800 MHz no data 020410 POTS 0532.8 0551.3 III GG,N 1 40X 170U 020410 POTS 0617.6 0617.7 III B 2 40X 150 020410 POTS 0633.5 0634.3 III G 1 40X 140 020410 POTS 0655.3 0657.7 UNCLF 2 40X 60 020410 POTS 0807.3 0827.0 III GG,N 1 40X 170U 020410 POTS 1104.7 1126.7 III GG,N 2 40X 300 020410 POTS 1159.5 1230 U I S,N,DC 2 110U 400X 020410 POTS 1223.7 1228.2 III GG 2 40X 170U 020410 POTS 1228.6 1253.0 II 3 40X 230 020410 POTS 1230.0 1248 U IV 3 40X 400X 020410 POTS 1248 U 1435 U I S,N,DC 2 110U 300 020410 POTS 1258.2 1305.0 III GG 2 40X 170U 020410 POTS 1308.2 1309.5 II 3 40X 170U 020411 0430 1800 POTS 0455.5 1529 U I S,N,DC 1 110U 360 0430-0909 UT: 400-800 MHz no data 020411 POTS 0823.8 0826.3 III GG 3 40X 300 020411 POTS 1209.7 1210.7 III G 2 40X 170U 020411 POTS 1330.6 1346.2 III GG,N 1 40X 170U 020411 POTS 1554.8 1555.0 III B 1 110U 250 020411 POTS 1616.8 1625.7 III GG 2 40X 320 020411 POTS 1626.0 1635.0 II 2 40X 150 020411 POTS 1635.0 1635.2 III B 1 130 240 020412 0425 1800 POTS 0447.5 1028 U I DC,C 2 110U 600 020412 POTS 0600.9 0601.7 III G 2 40X 350 020412 POTS 0748.5 0756.2 III GG,N 2 40X 170U 020412 POTS 0911.4 0911.5 III B,W 1 40X 140 020412 POTS 1027.9 1030.8 III GG 3 120 600 020412 POTS 1030 U 1250 U I S,N 1 200U 300 020412 POTS 1109.3 1109.4 DCIM W 1 200U 800X 020412 POTS 1159.6 1159.9 III G 1 110U 250 020412 POTS 1518.4 1520.3 DCIM 1 200U 300 020412 POTS 1536.8 1536.9 DCIM 1 200U 300 020412 POTS 1610 U 1748 U I S,N 1 220 360 020413 0425 1805 POTS 0431 U 0601 U I DC,C 2 200U 360 020413 POTS 0545.0 0545.2 III B 2 110U 170U 020413 POTS 0609 U 0811 U I S,N,DC 2 120 300 020413 POTS 0847 U 1025 U I S,N 1 200U 360 020413 POTS 1010.3 1010.5 III B 1 110U 300 020413 POTS 1233 U 1345 U I S,N 1 200U 360 020413 POTS 1501.0 1501.2 DCIM 2 320 550 020413 POTS 1622.4 1622.5 DCIM 2 280 450 020414 0420 1805 POTS 0442 U 0723 U I S,N 1 200U 360 020414 POTS 0533.1 0536.7 DCIM 2 300 600 020414 POTS 0631.3 0643.4 III GG,N 2 110U 300 020414 POTS 0722.5 0743.4 III GG,N 3 40X 500 020414 POTS 0728.2 0731.5 V 3 40X 70 020414 POTS 0739.8 0740.3 DCIM 2 250 500 020414 POTS 0744.5 0754.0 II 3 40X 75 020414 POTS 0754 U 1748 U I S,N,DC 2 110U 360 020414 POTS 0846.1 0847.3 III G 2 110U 350 020414 POTS 1237.3 1241.8 III GG 2 40X 300 020414 POTS 1353.7 1354.0 UNCLF 2 40X 60 020414 POTS 1415.0 1415.8 III G 2 40X 170U 020414 POTS 1443.1 1538.2 III GG,N 2 40X 300 020415 0417 1805 POTS 0417 E 1755 U I S,C,DC 3 110U 380 020415 POTS 0712.2 0716.8 III GG 3 40X 300 020415 POTS 0757.9 0758.2 III B 2 40X 70 020415 POTS 0812.0 0812.6 III B 2 40X 60 020415 POTS 0847.6 0853.1 III GG 3 110U 500 020415 POTS 0926.9 0927.1 DCIM 2 400 500 020415 POTS 0952.2 1001.3 DCIM 2 300 600 020415 POTS 1018.3 1018.5 III B 2 40X 170U 020415 POTS 1139.4 1142.9 DCIM 3 200U 800X 020415 POTS 1602.7 1609.5 III GG 3 40X 170U 020416 0420 1805 POTS 0423 E 1755 U I S,C,DC 3 110U 400 020416 POTS 0457 U 0500.5 II UE 2 200U 400U 020416 POTS 0801.2 0801.3 UNCLF 2 200U 280 020416 POTS 0825.1 0825.3 III G 2 110U 300 020416 POTS 0840.5 0841.0 III G 3 40X 300 020416 POTS 1041.6 1042.1 III G 3 40X 300 020416 POTS 1042.0 1048 U IV 3 120 800X 020416 POTS 1045.5 1051 U II UE 3 40 250 020416 POTS 1122.8 1123.1 III B 2 40X 250 020416 POTS 1139.3 1139.6 III B 2 40X 150 020416 POTS 1311.4 1311.7 DCIM 2 250 600 020416 POTS 1658.5 1658.9 III B 3 110U 300 020417 0415 1810 POTS 0416 E 0756 U I S,C,DC 3 110U 360 020417 POTS 0756 1100 U IV 3 40X 800X 020417 POTS 0808 U 0816 II 3 40X 80 020417 POTS 1122.9 1124.2 DCIM 2 450 700 020417 POTS 1100 U 1559 U I S,C,DC 3 40X 300 020417 POTS 1558.6 1600.0 III G 2 120 320 020417 POTS 1559 U 1752 U I S,C 2 120 300 020417 POTS 1643.3 1643.5 III G 2 120 380 020418 0415 1810 POTS 0432 U 1803 U I S,C,DC 2 110U 300 020418 POTS 0504.6 0504.8 III U 2 200U 320 020418 POTS 0517.2 0517.3 III B 1 110U 300 020418 POTS 0523.4 0523.8 DCIM 2 250 380 020418 POTS 0604.6 0605.6 III G 3 40X 300 020418 POTS 0839.1 0839.4 III B 2 40X 170U 020418 POTS 0931.9 0935.4 III G 2 40X 300 020418 POTS 1001.3 1001.5 III G 2 40X 150 020418 POTS 1001.4 1001.7 V 2 40X 70 020418 POTS 1042.3 1047.7 III GG 2 40X 250 020418 POTS 1115.8 1116.6 UNCLF 2 40X 140 020418 POTS 1219.1 1229.9 UNCLF 2 40X 60 020418 POTS 1350.0 1351.6 III G 2 40X 150 020418 POTS 1429.3 1430.3 III GG 2 110U 500 020418 POTS 1700.8 1701.6 DCIM 2 250 380 020419 0410 1810 POTS 0428 U 0903 U I S,C,N 1 120 300 020419 POTS 0700.2 0703.9 III GG 3 40X 380 020419 POTS 0700.6 0701.7 V 3 40X 70 020419 POTS 0808.4 0808.8 UNCLF 2 40X 60 020419 POTS 0937.4 1019 U I S,N 1 130 300 020419 POTS 1052 U 1728 U I S,N,DC 2 120 320 020420 0410 1810 POTS 0452 U 1357 U I N,S,DC 1 120 300 020420 POTS 0455.7 0457.8 DCIM RS 2 220 500 020420 POTS 0911.2 0914.1 UNCLF 2 40X 60 020420 POTS 0948.3 0948.4 DCIM 2 280 380 020420 POTS 1222.4 1224.1 III G,RS 2 40X 70 020420 POTS 1329.5 1337.3 DCIM 2 250 500 020420 POTS 1444.8 1447.2 III GG,W 1 110U 150 020420 POTS 1504.7 1504.8 III B,W 1 110U 150 020420 POTS 1507 U 1608 U I N,S 1 200U 250 020420 POTS 1557.2 1604.6 III G 2 40X 170U 020420 POTS 1620.4 1620.6 III B 2 110U 280 020421 0410 1815 POTS 0532.1 0620 U I N,S 1 250 320 020421 POTS 0631.0 0631.4 UNCLF 1 120 140 020421 POTS 0637.7 0716 U I N,S 2 120 360 020421 POTS 0806.6 0922. U I N,DC 1 240 340 020421 POTS 1001.6 1002.5 III G 3 40X 240 020421 POTS 1129.7 1129.8 III B,W 1 110U 130 020421 POTS 1240.8 1240.9 III B,W 1 110U 130 020421 POTS 1341.5 1341.7 III B 2 110U 170U 020421 POTS 1727.6 1729.5 DCIM 2 240 450 020422 0405 1815 POTS 0503.3 0507.6 III G,N 2 110U 300 020422 POTS 0514.3 0524.6 III GG 3 40X 800X 020422 POTS 0543.2 0550.8 III GG 2 40X 300 020422 POTS 0610.9 0611.7 III G 3 60U 300 020422 POTS 0642.9 0654.2 III GG,N 1 110U 240 020422 POTS 0712.2 0731.4 III GG,N 3 40X 300 020422 POTS 0736.3 0834.0 III GG,N 3 40X 600 020422 POTS 0912.2 0912.7 III G 1 130 160 020422 POTS 0926.9 0927.0 III B 1 110U 130 020422 POTS 0942.3 0943.8 III G 2 40X 170U 020422 POTS 1007.7 1008.5 III G 2 40X 170U 020422 POTS 1019.5 1531 U I N,S 1 220 350 020422 POTS 1128.0 1128.2 UNCLF 2 40X 60 020422 POTS 1152.4 1152.6 UNCLF 2 40X 70 020422 POTS 1203.3 1206.8 III G 3 40X 170U 020422 POTS 1207.5 1221 II 3 40X 170U 020422 POTS 1328.7 1331.8 III G,N 3 40X 300 020422 POTS 1426.0 1433.0 III G,N 2 110U 170U 020422 POTS 1451.0 1452.7 III GG 3 40X 300 020422 POTS 1618.8 1620.3 III GG 2 40X 280 020422 POTS 1644 U 1758 U I N,S 1 200U 350 020423 0405 1815 POTS 0518.2 0518.7 III G 2 110U 300 020423 POTS 0530 U 0927 U I S,N 1 200U 300 020423 POTS 0610.6 0611.5 III G 2 110U 170U 020423 POTS 0630.0 0630.8 III G 2 110U 170U 020423 POTS 0704.9 0706.3 III G 2 110U 170U 020423 POTS 0750.7 0753.8 III GG 3 40X 170U 020423 POTS 0806.6 0807.8 III G 3 110U 650 020423 POTS 0822.3 0825.7 III G 2 110U 170U 020423 POTS 0911.1 0913.3 I S,DC 2 120 160 020423 POTS 0927.0 0927.4 III G 3 40X 300 020423 POTS 0927.4 0928.4 V 3 40X 170U 020423 POTS 0928 U 1429 U I S,N 1 120 300 020423 POTS 0948.0 0948.2 III B,W 1 120 170U 020423 POTS 1112.3 1114.2 III G 2 40X 170U 020423 POTS 1220.2 1222.5 III G 3 40X 250 020423 POTS 1230.6 1230.8 III B 2 40X 130 020423 POTS 1255.3 1255.4 III B 2 40X 160 020423 POTS 1351.9 1352.2 DCIM 2 300 500 020423 POTS 1544.6 1545.3 DCIM 2 280 600 020423 POTS 1558.8 1559.6 III G 1 110U 170U 020423 POTS 1742.3 1744.0 III GG 2 200U 400U 020424 0405 1815 POTS 0437 U 1800 U I N,DC 2 120 350 020424 POTS 0500.7 0505.8 III GG,N 2 130 500 020424 POTS 0726.6 0736.9 III GG 3 40X 500 020424 POTS 0802.3 0802.7 DCIM 2 350 500 020424 POTS 0844.6 0845.8 III G 2 40X 300 020424 POTS 0924.4 0926.3 III GG 3 170U 320 020424 POTS 1018.5 1023.2 III GG 3 40X 360 020424 POTS 1020.8 1020.9 DCIM 2 400 600 020424 POTS 1047.9 1049.0 DCIM 2 320 550 020424 POTS 1124.9 1128.3 III GG 3 40X 600 020424 POTS 1227.9 1228.1 DCIM 2 320 400 020424 POTS 1241.2 1241.4 III B 1 40X 70 020424 POTS 1315.1 1319.2 III GG 3 40X 500 020424 POTS 1333.8 1342.7 III GG 3 40X 350 020424 POTS 1744.7 1745.8 III G 2 40X 380 020424 POTS 1749.5 1750.4 UNCLF 3 200U 320 020425 0400 1815 POTS 0418 U 1757 U I N,DC 2 120 360 020425 POTS 0542.7 0543.2 III G 2 120 160 020425 POTS 0554.7 0559.9 III GG 3 40X 700 020425 POTS 0621.5 0641.0 III GG 2 40X 300 020425 POTS 0715.2 0715.4 III B 2 40X 130 020425 POTS 0832.4 0832.7 III B 2 40X 250 020425 POTS 0901.4 0903.6 III G 2 40X 300 020425 POTS 0941.3 0942.9 III G 2 40X 150 020425 POTS 1021.5 1021.7 III G 2 40X 160 020425 POTS 1244.4 1320.3 UNCLF N 2 40X 60 020425 POTS 1329.4 1406.0 III GG,N 2 40X 140U 020425 POTS 1426.2 1432.1 III G,N 3 40X 160 020425 POTS 1437.4 1508.9 I N,DC 2 40X 70 020425 POTS 1522.1 1525.0 III G 2 40X 60 020425 POTS 1709.5 1713.3 III G 2 110U 300 020426 0400 1820 POTS 0420 U 1805 U I DC,C 3 120 300 020426 POTS 0812.0 1147 U III GG,N 2 40X 250 020426 POTS 1300.7 1300.8 III B 2 40X 150 020426 POTS 1332.3 1343.2 UNCLF 2 40X 60 020426 POTS 1358.6 1358.9 III G 2 40X 220 020426 POTS 1436.8 1509.3 UNCLF N 2 40X 60 020427 0355 1820 POTS 0420 U 1421 U I DC,C 3 120 380 020427 POTS 1152.2 1152.4 III B 2 40X 130 020427 POTS 1315.7 1315.9 III G 2 40X 170U 020427 POTS 1412.8 1417.1 III GG 2 40X 150 020427 POTS 1421 U 1529 U I DC,C 3 40X 380 1529-1820 UT: 40-90 MHz no data 020427 POTS 1529 U 1802 U I DC,C 3 120 380 020428 0355 1820 POTS 0420 U 1210 U I DC,C 3 120 380 020428 POTS 0536.7 0545.3 III GG,N 2 40X 300 020428 POTS 0714.2 0717.3 III G 2 40X 170U 020428 POTS 0947.4 0949.2 III G 2 40X 300 020428 POTS 1210 U 1807 U I N,S,C 2 120 200U 020429 0355 1820 POTS 0414 U 1435 U I S,N,DC,C 2 120 380 020429 POTS 0551.2 0552.3 III G 2 40X 170U 020429 POTS 0641.4 0647.8 III GG,N 2 40X 320 020429 POTS 0800.7 0802.0 III GG 3 40X 300 020429 POTS 0822.4 0824.0 UNCLF 2 40X 60 020429 POTS 0926.1 0927.8 III G 3 60 500 020429 POTS 0936.3 0939.8 III GG 3 40X 400 020429 POTS 0955.0 0955.2 DCIM 2 220 600 020429 POTS 1005.1 1005.4 III B 3 40X 250 020429 POTS 1048.7 1049.6 III G 3 40X 300 020429 POTS 1049.5 1049.9 V 2 40X 140 020429 POTS 1057.2 1058.7 III G 3 40X 450 020429 POTS 1156.4 1159.5 III G,RS 2 40X 160 020429 POTS 1201.3 1216 II 3 40X 160 020429 POTS 1255.5 1255.7 III B 2 40X 130 020429 POTS 1352.7 1354.3 III G 3 40X 300 020429 POTS 1405.7 1406.1 III G 2 40X 140 020429 POTS 1435 U 1803 U I S,N 2 200U 300 020430 0355 1820 POTS 0430 U 1035 U I N,S,DC 1 200U 360 020430 POTS 0546.2 0548.8 III G 2 120 170U 020430 POTS 0647.5 0653.2 III GG,RS 3 120 500 020430 POTS 0907.7 0910.8 III GG 2 40X 150 020430 POTS 1035 U 1806 U I N,S,DC 2 120 360 020430 POTS 1056.4 1056.6 III B 1 40X 70 020430 POTS 1230.2 1232.3 III G 3 40X 700 020430 POTS 1403.6 1403.8 III B 1 40X 150 020430 POTS 1600.1 1602.1 III GG 1 120 600 DESCRIPTION : 1 - Date (yymmdd) EVENT REMARKS : B - Single burst 2 - Start time of observation C - Underlying continuum 3 - End time of observation (particularly with TypeI) 4 - Station DC - Drifting chains (Type I) 5 - Event start time DP - Drifting pairs (Type I) 7 - Spectral class F - Fundamental emission (Type II) 8 - Associated spectral class remarks FS - Fine structure (Type IV) 9 - Intensity (1-3) G - Small group of bursts (<10) 10 - Low frequency (MHz) of the event GG - Large group of bursts (>10) 11 - Upper frequency (MHz) of the event H - Herringbone (Type II) 12 - Remarks N - Intermittent activity in this eriod RS - Reverse drifting burst FREQUENCY S - Storm in the sense of intern QUALIFIERS : X - Extends beyond instrument range but apparently connected act U - Uncertain frequency SH - Secondary harmonic emission U - U-shaped burst of type III UE - Uncertain emission (type II) W - Weak .