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 : 1997 -------------------------------------------------------------------------------------------------- 1 2 3 4 5 6 7 8 9 10 11 12 -------------------------------------------------------------------------------------------------- 970401 0518 1641 POTS 0518 E 1641 U I S,C,DC 2 60 400 970401 POTS 0518 E 1641 U III N 1 110U 170U 970401 POTS 0518 E 1641 U III N 2 110U 170U 970401 POTS 0617.7 0617.9 III G 1 40X 90U 970401 POTS 0637.6 0637.8 III G 1 40X 90U 970401 POTS 0649.6 0649.7 III G 3 110U 160 970401 POTS 0650.9 0651.4 III G 3 50 170U 970401 POTS 0727.9 0728.2 III G,RS 3 60 400 970401 POTS 0739.5 0739.7 III B 3 40X 170U 970401 POTS 0747.9 0748.1 III G,RS 3 110U 170U 970401 POTS 0749.4 0800 IV FS 3 40X 800X 970401 POTS 0801 0806 II F,H 1 40X 90U 970401 POTS 0817.1 0819.7 III G 3 40X 150 970401 POTS 0818.3 0818.4 III B,RS 2 200U 350 970401 POTS 0945.8 0953.1 III GG 3 40X 700 970401 POTS 1011.1 1014.5 III GG 3 40X 275 970401 POTS 1024.3 1041.9 III GG,RS,C 3 40X 800X 970401 POTS 1032 1038 II UE 1 40X 90U 970401 POTS 1100.5 1106.1 III GG,RS 3 40X 700 970401 POTS 1114.6 1115.1 III G 3 40X 450 970401 POTS 1115.1 1115.6 V 2 40X 70 970401 POTS 1125.2 1126.6 III G 3 40X 300 970401 POTS 1136.9 1143.7 III GG 3 40X 650 970401 POTS 1234.8 1235.5 DCIM 2 200U 450 970401 POTS 1241.0 1242.6 III GG,FS,C 3 40X 300 970401 POTS 1250.9 1259.3 III GG,RS,C 3 40X 375 970401 POTS 1300.1 1300.9 UNCLF 1 65 80 970401 POTS 1341.6 1359 III GG 3 40X 400 970401 POTS 1345.8 1359 IV FS 3 40X 800X 970401 POTS 1348.8 1359 II UE,H 3 40X 160 970401 POTS 1403.1 1413.4 III GG,RS 3 40X 700 970401 POTS 1417.5 1417.6 III B 2 110U 400 970401 POTS 1440.1 1454.3 III GG,RSG,FS,C 3 40X 800X 970401 POTS 1519.1 1521.5 DCIM 2 200U 400 970401 POTS 1526.5 1532.7 DCIM 2 150 270 970401 POTS 1541.7 1548.3 III GG,FS,RS,C 2 40X 400 970401 POTS 1601.6 1601.8 DCIM 2 160 400 970401 POTS 1618.3 1618.5 III G 3 65 300 970402 0518 1641 POTS 0518 E 1641 U III N 1 110U 170U 970402 POTS 0518 E 1641 U III N 2 110U 170U 970402 POTS 0525.7 0535.8 III GG,RS 3 40X 350 970402 POTS 0536.4 0541.5 II UE 1 45 90U 970402 POTS 0542.1 0554.4 III GG,RS,FS,C 3 40X 800X 970402 POTS 0643 0644 I S 2 140 170U 970402 POTS 0658.3 0712.8 III GG 3 40X 450 970402 POTS 0705.7 0706.1 V 3 40X 55 970402 POTS 0719.7 0721.3 III GG 3 40X 375 970402 POTS 0728.3 0728.9 III G 3 40X 160 970402 POTS 0758.2 0800.1 III G,U 3 40X 650 970402 POTS 0759.3 0800.2 V 3 40X 55 970402 POTS 0804.5 0814.2 III GG 2 40X 750 970402 POTS 0828.9 0834.3 III GG 3 40X 170U 970402 POTS 0849.1 0853.4 III GG 3 40X 220 970402 POTS 0851.4 0851.8 V 2 40X 50 970402 POTS 0853.1 0853.5 V 1 40X 50 970402 POTS 0906.3 0906.6 III B 2 40X 170U 970402 POTS 0909.4 0909.6 III G 2 130 300 970402 POTS 0917.9 0918.3 III G 2 40X 170U 970402 POTS 0922.7 0930.1 III GG,RS 3 40X 375 970402 POTS 0927.5 0934 II UE 3 40X 130 970402 POTS 1020.4 1022.7 III G 2 40X 170U 970402 POTS 1037.3 1037.7 III G 2 65 250 970402 POTS 1050.4 1055.6 III GG 3 40X 350 970402 POTS 1101 1641 U I S 2 110U 250 970402 POTS 1146.5 1147.3 III G 3 60 150 970402 POTS 1314.4 1314.6 III G 1 40X 70 970403 0518 1641 POTS 0518 E 1641 U I S 1 110U 400 970403 POTS 0856.1 0856.2 III B 1 110U 170U 970403 POTS 0931.8 0932.1 DCIM 2 225 700 970404 0518 1641 POTS 1636.9 1637.0 III B 2 110U 400 970405 0518 1641 POTS 0536 1641 U I S,W 1 120 250 970406 0518 1641 POTS no burst 970407 0518 1641 POTS 0518 E 1641 U I S 1 110U 170U 970407 POTS 1354 1502 IV FS 3 110U 800X 970407 POTS 1354.7 1354.8 III U 2 200U 400 970407 POTS 1356 1531 III GG,RS 3 40X 400 970407 POTS 1358.1 1406 II SH,H 3 40X 250 970407 POTS 1358.3 1403 II F 3 40X 90U 970408 0518 0811 POTS no burst 970408 1021 1616 POTS 1529.9 1531.4 III G 1 110U 170U 970409 0518 1641 POTS 0539.1 0539.2 DCIM 2 250 400 970409 POTS 0544.2 0544.3 DCIM 1 350 400 970409 POTS 1139.6 1139.8 III G 1 110U 170U 970410 0518 1641 POTS 0901.2 0901.5 III G 2 40X 325 970411 0454 1701 POTS 1423.2 1425.3 DCIM 1 130 400 970411 POTS 1658.9 1659.4 DCIM 1 200U 400 970412 0454 1701 POTS no burst 970413 POTS no observations by technical disturbances 970414 0625 1702 POTS 0625 E 1702 U I S 1 110U 400 970414 POTS 1110.0 1110.2 III G 2 110U 160 970414 POTS 1304.9 1305.1 III B 2 110U 300 970414 POTS 1306.1 1306.8 III G 1 110U 300 970414 POTS 1323.7 1323.8 III G 3 110U 170U 970414 POTS 1438.9 1439.0 III B 1 110U 170U 970414 POTS 1626.8 1629.8 III GG,RS 2 110U 170U 970415 0454 1701 POTS 0454 E 1701 U I S,C,DC 2 80 400 970415 POTS 0454 E 1701 U III N 1 110U 170U 970415 POTS 0454.0 0455.2 III G 1 110U 250 970415 POTS 0456.3 0456.5 III G 2 110U 250 970415 POTS 0515.7 0517.7 III G 2 110U 170U 970415 POTS 0610.2 0610.3 III B 2 150 250 970415 POTS 0618.2 0618.7 III G 2 110U 250 970415 POTS 0623.0 0623.9 III G 2 110U 170U 970415 POTS 0633.5 0642.9 IV FS 3 130 800X 970415 POTS 0635.0 0635.2 III G 2 110U 170U 970415 POTS 0649.9 0658.9 DCIM FS 3 110U 800X 970415 POTS 0807.8 0810 DCIM 2 300 700 970415 POTS 0819.0 0819.3 III G 1 40X 90U 970415 POTS 0837.5 0837.6 III G 2 110U 170U 970415 POTS 0922.0 0922.5 DCIM 1 200U 600 970415 POTS 0935.4 0936.7 III GG 3 40X 170U 970415 POTS 0941.5 0941.6 III B 2 110U 160 970415 POTS 0948.7 0949.9 III G 2 110U 170U 970415 POTS 0950.6 0951.0 III G 2 110U 170U 970415 POTS 0952.2 0953.2 III B 2 110U 170U 970415 POTS 1014.2 1019.3 III G,U 2 110U 170U 970415 POTS 1047.5 1047.7 DCIM 1 325 400 970415 POTS 1122.0 1122.3 III G 2 110U 150 970415 POTS 1136.6 1136.7 III B 2 110U 150 970415 POTS 1229.1 1229.3 III G 2 40X 250 970415 POTS 1415.0 1416.3 DCIM 1 600 750 970415 POTS 1415.3 1426 II SH,H 3 55 250 970415 POTS 1415.9 1420 II F 3 40X 90U 970415 POTS 1428.9 1432.3 DCIM 2 250 800X 970415 POTS 1512.8 1512.9 III G 2 60 170U 970415 POTS 1522.2 1522.5 III G 3 40X 250 970415 POTS 1522.5 1522.7 V 3 40X 55 970415 POTS 1541.8 1550.8 III GG 3 40X 250 970415 POTS 1544.7 1544.8 DCIM 2 700 800X 970415 POTS 1559.7 1600.0 III G 2 40X 170U 970415 POTS 1614.3 1614.4 III B 2 40X 90U 970415 POTS 1619.7 1619.8 III B 3 120 170U 970415 POTS 1621.1 1621.8 III G 2 110U 170U 970416 0454 1701 POTS 0454 E 1701 U I S 2 110U 400 970416 POTS 0454 E 1701 U III N 1 110U 170U 970416 POTS 0548.1 0548.2 III B 2 110U 160 970416 POTS 0708.7 0713.7 DCIM 2 200U 650 970416 POTS 1102.7 1104.3 III GG 2 60 170U 970416 POTS 1142.1 1143.1 III G 2 40X 170U 970416 POTS 1142.9 1143.1 V 2 40X 50 970416 POTS 1151.1 1155.8 III G,RS 3 110U 170U 970416 POTS 1325.0 1325.3 DCIM 2 250 500 970417 0454 1701 POTS 0503 1701 U I S 1 110U 400 970417 POTS 0548.4 0548.5 III B 2 110U 170U 970417 POTS 0555.6 0555.7 III B 1 110U 170U 970417 POTS 0659.8 0700.3 III G 1 110U 250 970417 POTS 0733.5 0733.8 III G 2 110U 170U 970417 POTS 0800.9 0801.0 III B 2 120 170U 970417 POTS 0817.9 0818.0 III B 2 110U 170U 970417 POTS 1129.3 1129.6 DCIM 1 130 300 970417 POTS 1138.3 1138.4 III B 2 110U 160 970417 POTS 1204.3 1204.4 III B 2 110U 150 970417 POTS 1441.3 1441.4 III B 2 110U 150 970417 POTS 1509.8 1509.9 III B 2 40X 170U 970417 POTS 1621.4 1621.5 III B 2 110U 170U 970418 0454 1701 POTS 0528 1701 U I S,W 1 130 170U 970419 0454 1701 POTS 0454 E 1616 I S,W 1 120 170U 970420 0454 1701 POTS no burst 970421 0434 1715 POTS no burst 970422 0434 1715 POTS 1026.1 1026.4 III U 2 65 170U 970423 0434 1030 POTS no burst 970423 1233 1715 POTS no burst 970424 0434 1715 POTS no burst 970425 0434 1715 POTS 0712.6 0713.0 III G 1 110U 170U 970426 0434 1715 POTS 1610 1715 U I S,W 1 200U 300 970427 0434 1715 POTS no burst 970428 0434 1715 POTS no burst 970429 0434 0509 POTS no burst 970429 1249 1715 POTS no burst 970430 0540 1715 POTS no burst DESCRIPTION : 1 - Date (yymmdd) EVENT REMARKS : B - Single burst 2 - Start of observation C - Underlying continuum 3 - End 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 boundary (MHz) of the event GG - Large group of bursts (>10) 11 - Upper frequency boundary (MHz) of the event H - Herringbone (Type II) 12 - Remarks N - Intermittent activity in this period RS - Reverse drifting burst FREQUENCY S - Storm, intermittent, QUALIFIERS : X - Extent beyond the instruments range but apparently connected U - Uncertain frequency SH - Secondary harmonic emission (Type II) U - U-shaped burst of type III UE - Uncertain emission (type II) W - Weak