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file_format.txt
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file_format.txt
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FORMAT(I4,I3,I3,I5,I3,8I3,I4,8I4,I4,F4.1,I2,I4,F6.1,I2,5F6.1)
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Column
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001111111111111111111111111111111
0000000001111111111222222222233333333334444444444555555555566666666667777777777888888888899999999990000000000111111111122222222223
1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
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Adj Adj Adj Obs Obs Obs
yyyy mm dd BSRN ND Kp Kp Kp Kp Kp Kp Kp Kp Sum Ap Ap Ap Ap Ap Ap Ap Ap Avg Cp C9 ISN F10.7 Q Ctr81 Lst81 F10.7 Ctr81 Lst81
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yyyy mm dd nnnn nn nn nn nn nn nn nn nn nn nnn nnn nnn nnn nnn nnn nnn nnn nnn nnn n.n n nnn nnn.n n nnn.n nnn.n nnn.n nnn.n nnn.n
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2000 01 01 2272 7 53 47 40 33 43 30 43 37 327 56 39 27 18 32 15 32 22 30 1.3 6 48 125.6 0 160.5 175.0 129.9 165.6 179.0
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Columns Description
001-004 Year
006-007 Month (01-12)
009-010 Day
012-015 Bartels Solar Rotation Number. A sequence of 27-day intervals counted continuously from 1832 Feb 8.
017-018 Number of Day within the Bartels 27-day cycle (01-27).
020-021 Planetary 3-hour Range Index (Kp) for 0000-0300 UT.
023-024 Planetary 3-hour Range Index (Kp) for 0300-0600 UT.
026-027 Planetary 3-hour Range Index (Kp) for 0600-0900 UT.
029-030 Planetary 3-hour Range Index (Kp) for 0900-1200 UT.
032-033 Planetary 3-hour Range Index (Kp) for 1200-1500 UT.
035-036 Planetary 3-hour Range Index (Kp) for 1500-1800 UT.
038-039 Planetary 3-hour Range Index (Kp) for 1800-2100 UT.
041-042 Planetary 3-hour Range Index (Kp) for 2100-0000 UT.
044-046 Sum of the 8 Kp indices for the day expressed to the nearest third of a unit.
048-050 Planetary Equivalent Amplitude (Ap) for 0000-0300 UT.
052-054 Planetary Equivalent Amplitude (Ap) for 0300-0600 UT.
056-058 Planetary Equivalent Amplitude (Ap) for 0600-0900 UT.
060-062 Planetary Equivalent Amplitude (Ap) for 0900-1200 UT.
064-066 Planetary Equivalent Amplitude (Ap) for 1200-1500 UT.
068-070 Planetary Equivalent Amplitude (Ap) for 1500-1800 UT.
072-074 Planetary Equivalent Amplitude (Ap) for 1800-2100 UT.
076-078 Planetary Equivalent Amplitude (Ap) for 2100-0000 UT.
080-082 Arithmetic average of the 8 Ap indices for the day.
084-086 Cp or Planetary Daily Character Figure. A qualitative estimate of overall level of magnetic activity for the day determined from the sum of the 8 Ap indices. Cp ranges, in steps of one-tenth, from 0 (quiet) to 2.5 (highly disturbed).
088-088 C9. A conversion of the 0-to-2.5 range of the Cp index to one digit between 0 and 9.
090-092 International Sunspot Number. Records contain the Zurich number through 1980 Dec 31 and the International Brussels number thereafter.
094-098 10.7-cm Solar Radio Flux (F10.7) Adjusted to 1 AU. Measured at Ottawa at 1700 UT daily from 1947 Feb 14 until 1991 May 31 and measured at Penticton at 2000 UT from 1991 Jun 01 on. Expressed in units of 10-22 W/m2/Hz.
100-100 Flux Qualifier.
0 indicates flux required no adjustment;
1 indicates flux required adjustment for burst in progress at time of measurement;
2 indicates a flux approximated by either interpolation or extrapolation;
3 indicates no observation; and
4 indicates CSSI interpolation of missing data.
102-106 Centered 81-day arithmetic average of F10.7 (adjusted).
108-112 Last 81-day arithmetic average of F10.7 (adjusted).
114-118 Observed (unadjusted) value of F10.7.
120-124 Centered 81-day arithmetic average of F10.7 (observed).
126-130 Last 81-day arithmetic average of F10.7 (observed).