STEREO LET LEVEL 1 Helium data for ahead spacecraft, for 2015-016 Verified Data - OK to distribute File created: Tue Apr 7 10:36:18 PDT 2015 Created by: Caltech Space Radiation Lab Level 1 software version 11 Time Resolution: 1 minute (highest LET instrument resolution) Note: Timestamps mark beginning of data accumulation interval Column 1: Year Column 2: Day of year (fractional) Column 3: Hour of day Column 4: Minute of hour Column 5: Second of minute Column 6: LET dynamic threshold state (0 - 3) Column 7: LET Livetime (seconds) Column 8: 2.2 - 2.7 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 9: 2.7 - 3.2 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 10: 3.2 - 3.6 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 11: 3.6 - 4.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 12: 4.0 - 4.5 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 13: 4.5 - 5.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 14: 5.0 - 6.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 15: 6.0 - 8.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 16: 8.0 - 10.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 17: 10.0 - 12.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 18: 12.0 - 15.0 MeV/n He intensity (1/(cm^2 s sr MeV/nuc)) Column 19 - 29: 11 He counts , same energy ranges as above (counts/minute) Bad/missing data are filled with -1.0E+31 for floating point, -2147483647 for integers BEGIN DATA 2015 16.146065 3 30 20 0 59.1095 5.0791E-02 5.0791E-02 4.2326E-02 1.0582E-02 0.0000E+00 8.4652E-03 8.4652E-03 2.1163E-03 0.0000E+00 0.0000E+00 -1.0000E+31 6 6 4 1 0 1 2 1 0 0 -2147483647 2015 16.149537 3 35 20 0 59.1157 3.3857E-02 1.6929E-02 3.1741E-02 1.0580E-02 0.0000E+00 8.4643E-03 0.0000E+00 6.3483E-03 2.1161E-03 0.0000E+00 -1.0000E+31 4 2 3 1 0 1 0 3 1 0 -2147483647 2015 16.153009 3 40 20 0 59.1107 4.2325E-02 1.6930E-02 3.1744E-02 2.1163E-02 8.4651E-03 8.4651E-03 8.4651E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 5 2 3 2 1 1 2 0 0 0 -2147483647 2015 16.156481 3 45 20 0 59.1105 3.3860E-02 1.6930E-02 3.1744E-02 1.0581E-02 1.6930E-02 1.6930E-02 1.2698E-02 8.4651E-03 0.0000E+00 0.0000E+00 -1.0000E+31 4 2 3 1 2 2 3 4 0 0 -2147483647 2015 16.159954 3 50 20 0 59.1104 2.5395E-02 3.3860E-02 3.1744E-02 0.0000E+00 2.5395E-02 0.0000E+00 1.2698E-02 2.1163E-03 0.0000E+00 0.0000E+00 -1.0000E+31 3 4 3 0 3 0 3 1 0 0 -2147483647 2015 16.163426 3 55 20 0 59.1094 2.5396E-02 4.2326E-02 4.2326E-02 0.0000E+00 8.4652E-03 1.6930E-02 4.2326E-03 0.0000E+00 0.0000E+00 2.1163E-03 -1.0000E+31 3 5 4 0 1 2 1 0 0 1 -2147483647 2015 16.166898 4 0 20 0 59.1106 5.0790E-02 5.0790E-02 3.1744E-02 4.2325E-02 8.4651E-03 3.3860E-02 0.0000E+00 8.4651E-03 0.0000E+00 0.0000E+00 -1.0000E+31 6 6 3 4 1 4 0 4 0 0 -2147483647 2015 16.173843 4 10 20 0 59.1118 5.9254E-02 2.5395E-02 2.1162E-02 2.1162E-02 5.0789E-02 8.4649E-03 1.6930E-02 2.1162E-03 0.0000E+00 0.0000E+00 -1.0000E+31 7 3 2 2 6 1 4 1 0 0 -2147483647 2015 16.177315 4 15 20 0 59.1082 1.1005E-01 4.2327E-02 0.0000E+00 2.1164E-02 8.4654E-03 1.6931E-02 0.0000E+00 4.2327E-03 0.0000E+00 0.0000E+00 -1.0000E+31 13 5 0 2 1 2 0 2 0 0 -2147483647 2015 16.180787 4 20 20 0 59.1130 5.9253E-02 5.0788E-02 1.0581E-02 2.1162E-02 0.0000E+00 3.3859E-02 8.4647E-03 2.1162E-03 0.0000E+00 0.0000E+00 -1.0000E+31 7 6 1 2 0 4 2 1 0 0 -2147483647 2015 16.184259 4 25 20 0 59.1143 5.9252E-02 5.0787E-02 5.2903E-02 2.1161E-02 0.0000E+00 0.0000E+00 0.0000E+00 2.1161E-03 2.1161E-03 0.0000E+00 -1.0000E+31 7 6 5 2 0 0 0 1 1 0 -2147483647 2015 16.187731 4 30 20 0 59.1117 5.9254E-02 3.3860E-02 1.0581E-02 1.0581E-02 1.6930E-02 0.0000E+00 4.2325E-03 2.1162E-03 2.1162E-03 0.0000E+00 -1.0000E+31 7 4 1 1 2 0 1 1 1 0 -2147483647 2015 16.191204 4 35 20 0 59.1094 2.5396E-02 3.3861E-02 3.1745E-02 1.0582E-02 8.4652E-03 0.0000E+00 8.4652E-03 2.1163E-03 4.2326E-03 0.0000E+00 -1.0000E+31 3 4 3 1 1 0 2 1 2 0 -2147483647 2015 16.194676 4 40 20 0 59.1082 5.0792E-02 3.3862E-02 0.0000E+00 1.0582E-02 0.0000E+00 1.6931E-02 1.2698E-02 4.2327E-03 2.1164E-03 0.0000E+00 -1.0000E+31 6 4 0 1 0 2 3 2 1 0 -2147483647 2015 16.198148 4 45 20 0 59.1143 5.9252E-02 3.3858E-02 1.0581E-02 0.0000E+00 1.6929E-02 8.4645E-03 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 7 4 1 0 2 1 0 0 0 0 -2147483647 2015 16.201620 4 50 20 0 59.1122 5.9254E-02 1.6930E-02 4.2324E-02 2.1162E-02 1.6930E-02 0.0000E+00 4.2324E-03 2.1162E-03 0.0000E+00 0.0000E+00 -1.0000E+31 7 2 4 2 2 0 1 1 0 0 -2147483647 2015 16.205093 4 55 20 0 59.1097 5.0791E-02 3.3861E-02 2.1163E-02 2.1163E-02 8.4652E-03 0.0000E+00 8.4652E-03 2.1163E-03 0.0000E+00 0.0000E+00 -1.0000E+31 6 4 2 2 1 0 2 1 0 0 -2147483647 2015 16.823148 19 45 20 0 59.0822 1.1010E-01 7.6222E-02 4.2346E-02 0.0000E+00 2.5407E-02 2.5407E-02 8.4691E-03 0.0000E+00 2.1173E-03 2.1173E-03 -1.0000E+31 13 9 4 0 3 3 2 0 1 1 -2147483647 2015 16.826620 19 50 20 0 59.0830 7.6221E-02 1.0163E-01 4.2345E-02 4.2345E-02 1.6938E-02 2.5407E-02 2.5407E-02 2.1173E-03 0.0000E+00 0.0000E+00 -1.0000E+31 9 12 4 4 2 3 6 1 0 0 -2147483647 2015 16.830093 19 55 20 0 59.0865 3.3874E-02 4.2343E-02 3.1757E-02 1.0586E-02 3.3874E-02 3.3874E-02 2.1171E-02 4.2343E-03 4.2343E-03 0.0000E+00 -1.0000E+31 4 5 3 1 4 4 5 2 2 0 -2147483647 2015 16.833565 20 0 20 0 59.0938 8.4675E-02 3.3870E-02 5.2922E-02 1.0584E-02 0.0000E+00 1.6935E-02 4.2337E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 10 4 5 1 0 2 1 0 0 0 -2147483647 2015 16.837037 20 5 20 0 59.0877 1.1856E-01 2.5405E-02 2.1171E-02 2.1171E-02 8.4684E-03 1.6937E-02 1.2703E-02 0.0000E+00 2.1171E-03 0.0000E+00 -1.0000E+31 14 3 2 2 1 2 3 0 1 0 -2147483647 2015 16.840509 20 10 20 0 59.0891 8.4681E-02 3.3873E-02 1.0585E-02 3.1756E-02 5.0809E-02 3.3873E-02 8.4681E-03 4.2341E-03 0.0000E+00 4.2341E-03 -1.0000E+31 10 4 1 3 6 4 2 2 0 2 -2147483647 2015 16.843981 20 15 20 0 59.0900 1.3549E-01 4.2340E-02 4.2340E-02 3.1755E-02 0.0000E+00 2.5404E-02 4.2340E-03 6.3510E-03 0.0000E+00 0.0000E+00 -1.0000E+31 16 5 4 3 0 3 1 3 0 0 -2147483647 2015 16.850926 20 25 20 0 59.0866 1.4396E-01 5.9280E-02 2.1171E-02 1.0586E-02 2.5406E-02 8.4685E-03 2.5406E-02 2.1171E-03 0.0000E+00 0.0000E+00 -1.0000E+31 17 7 2 1 3 1 6 1 0 0 -2147483647 2015 16.854398 20 30 20 0 59.0856 8.4686E-03 2.5406E-02 7.4101E-02 3.1757E-02 2.5406E-02 4.2343E-02 8.4686E-03 2.1172E-03 0.0000E+00 0.0000E+00 -1.0000E+31 1 3 7 3 3 5 2 1 0 0 -2147483647 2015 16.857870 20 35 20 0 59.0805 7.6224E-02 5.9286E-02 3.1760E-02 2.1173E-02 1.6939E-02 1.6939E-02 8.4694E-03 2.1173E-03 0.0000E+00 0.0000E+00 -1.0000E+31 9 7 3 2 2 2 2 1 0 0 -2147483647 2015 16.861343 20 40 20 0 59.0822 1.2704E-01 6.7753E-02 2.1173E-02 2.1173E-02 8.4691E-03 0.0000E+00 0.0000E+00 0.0000E+00 2.1173E-03 0.0000E+00 -1.0000E+31 15 8 2 2 1 0 0 0 1 0 -2147483647 2015 16.864815 20 45 20 0 59.0846 8.4688E-02 4.2344E-02 2.1172E-02 3.1758E-02 2.5406E-02 8.4688E-03 1.6938E-02 2.1172E-03 0.0000E+00 2.1172E-03 -1.0000E+31 10 5 2 3 3 1 4 1 0 1 -2147483647 2015 16.868287 20 50 20 0 59.0591 1.5250E-01 1.6945E-02 5.2953E-02 2.1181E-02 3.3890E-02 8.4725E-03 0.0000E+00 4.2362E-03 0.0000E+00 0.0000E+00 -1.0000E+31 18 2 5 2 4 1 0 2 0 0 -2147483647 2015 16.871759 20 55 20 0 59.0630 1.3555E-01 3.3888E-02 4.2359E-02 5.2949E-02 2.5416E-02 1.6944E-02 1.2708E-02 4.2359E-03 2.1180E-03 0.0000E+00 -1.0000E+31 16 4 4 5 3 2 3 2 1 0 -2147483647 2015 16.875231 21 0 20 0 59.0675 1.6095E-01 4.2356E-02 6.3534E-02 5.2945E-02 2.5414E-02 1.6942E-02 1.6942E-02 1.0589E-02 2.1178E-03 0.0000E+00 -1.0000E+31 19 5 6 5 3 2 4 5 1 0 -2147483647 2015 16.878704 21 5 20 0 59.0664 1.1013E-01 8.4714E-02 4.2357E-02 2.1179E-02 5.0828E-02 2.5414E-02 4.2357E-03 1.0589E-02 2.1179E-03 0.0000E+00 -1.0000E+31 13 10 4 2 6 3 1 5 1 0 -2147483647 2015 16.882176 21 10 20 0 59.0676 1.0165E-01 5.0827E-02 7.4123E-02 1.0589E-02 1.6942E-02 1.6942E-02 1.6942E-02 1.2707E-02 2.1178E-03 0.0000E+00 -1.0000E+31 12 6 7 1 2 2 4 6 1 0 -2147483647 2015 16.885648 21 15 20 0 59.0628 1.4402E-01 1.6944E-02 1.1649E-01 6.3539E-02 3.3888E-02 1.6944E-02 2.1180E-02 6.3539E-03 0.0000E+00 2.1180E-03 -1.0000E+31 17 2 11 6 4 2 5 3 0 1 -2147483647 2015 16.889120 21 20 20 0 59.0592 1.6098E-01 6.7780E-02 5.2953E-02 3.1772E-02 6.7780E-02 0.0000E+00 8.4724E-03 1.2709E-02 2.1181E-03 0.0000E+00 -1.0000E+31 19 8 5 3 8 0 2 6 1 0 -2147483647 2015 16.892593 21 25 20 0 59.0627 1.6944E-01 5.0832E-02 5.2950E-02 3.1770E-02 1.6944E-02 5.0832E-02 4.2360E-03 1.0590E-02 2.1180E-03 0.0000E+00 -1.0000E+31 20 6 5 3 2 6 1 5 1 0 -2147483647 2015 16.896065 21 30 20 0 59.0618 1.4402E-01 8.4721E-02 5.2950E-02 6.3540E-02 4.2360E-02 4.2360E-02 2.1180E-02 2.1180E-03 0.0000E+00 0.0000E+00 -1.0000E+31 17 10 5 6 5 5 5 1 0 0 -2147483647 2015 16.899537 21 35 20 0 59.0674 1.2707E-01 1.0166E-01 5.2945E-02 0.0000E+00 1.6943E-02 0.0000E+00 1.2707E-02 6.3534E-03 0.0000E+00 4.2356E-03 -1.0000E+31 15 12 5 0 2 0 3 3 0 2 -2147483647 2015 16.903009 21 40 20 0 59.0616 1.2708E-01 8.4721E-02 2.1180E-02 4.2360E-02 1.6944E-02 0.0000E+00 8.4721E-03 8.4721E-03 2.1180E-03 0.0000E+00 -1.0000E+31 15 10 2 4 2 0 2 4 1 0 -2147483647 2015 16.906481 21 45 20 0 59.0507 8.4737E-02 4.2368E-02 6.3552E-02 2.1184E-02 4.2368E-02 8.4737E-03 1.2710E-02 4.2368E-03 0.0000E+00 2.1184E-03 -1.0000E+31 10 5 6 2 5 1 3 2 0 1 -2147483647 2015 16.909954 21 50 20 0 59.0606 1.0167E-01 7.6250E-02 6.3542E-02 1.0590E-02 3.3889E-02 2.5417E-02 4.2361E-03 6.3542E-03 2.1181E-03 0.0000E+00 -1.0000E+31 12 9 6 1 4 3 1 3 1 0 -2147483647 2015 16.913426 21 55 20 0 59.0696 1.3554E-01 4.2355E-02 6.3532E-02 4.2355E-02 8.4709E-03 8.4709E-03 1.2706E-02 8.4709E-03 0.0000E+00 0.0000E+00 -1.0000E+31 16 5 6 4 1 1 3 4 0 0 -2147483647 2015 16.916898 22 0 20 0 59.0789 7.6226E-02 1.6939E-02 3.1761E-02 2.1174E-02 1.6939E-02 8.4696E-03 4.2348E-03 4.2348E-03 2.1174E-03 0.0000E+00 -1.0000E+31 9 2 3 2 2 1 1 2 1 0 -2147483647 2015 16.920370 22 5 20 0 59.0727 9.3175E-02 6.7764E-02 3.1764E-02 1.0588E-02 1.6941E-02 2.5411E-02 2.1176E-02 1.0588E-02 4.2352E-03 0.0000E+00 -1.0000E+31 11 8 3 1 2 3 5 5 2 0 -2147483647 2015 16.923843 22 10 20 0 59.0752 6.7761E-02 1.6940E-02 6.3526E-02 3.1763E-02 3.3881E-02 3.3881E-02 1.2705E-02 8.4701E-03 0.0000E+00 2.1175E-03 -1.0000E+31 8 2 6 3 4 4 3 4 0 1 -2147483647 2015 16.927315 22 15 20 0 59.0706 5.0825E-02 8.4708E-02 5.2943E-02 1.0589E-02 1.6942E-02 1.6942E-02 1.6942E-02 4.2354E-03 2.1177E-03 0.0000E+00 -1.0000E+31 6 10 5 1 2 2 4 2 1 0 -2147483647 2015 16.930787 22 20 20 0 59.0765 5.0820E-02 1.0164E-01 3.1762E-02 4.2350E-02 5.0820E-02 1.6940E-02 8.4699E-03 4.2350E-03 2.1175E-03 4.2350E-03 -1.0000E+31 6 12 3 4 6 2 2 2 1 2 -2147483647 2015 16.934259 22 25 20 0 59.0752 7.6231E-02 1.0164E-01 1.1646E-01 3.1763E-02 8.4701E-03 2.5410E-02 1.6940E-02 8.4701E-03 6.3526E-03 0.0000E+00 -1.0000E+31 9 12 11 3 1 3 4 4 3 0 -2147483647 2015 16.937731 22 30 20 0 59.0728 1.2706E-01 5.0823E-02 4.2352E-02 4.2352E-02 5.0823E-02 3.3882E-02 4.2352E-03 1.0588E-02 2.1176E-03 0.0000E+00 -1.0000E+31 15 6 4 4 6 4 1 5 1 0 -2147483647 2015 16.941204 22 35 20 0 59.0776 7.6228E-02 5.9289E-02 1.0587E-02 3.1762E-02 0.0000E+00 8.4698E-03 8.4698E-03 4.2349E-03 2.1174E-03 0.0000E+00 -1.0000E+31 9 7 1 3 0 1 2 2 1 0 -2147483647 2015 16.944676 22 40 20 0 59.0765 9.3169E-02 2.5410E-02 7.4112E-02 4.2350E-02 0.0000E+00 8.4699E-03 0.0000E+00 1.0587E-02 2.1175E-03 0.0000E+00 -1.0000E+31 11 3 7 4 0 1 0 5 1 0 -2147483647 2015 16.948148 22 45 20 0 59.0777 9.3168E-02 3.3879E-02 3.1762E-02 1.0587E-02 5.0819E-02 8.4698E-03 4.2349E-03 4.2349E-03 2.1174E-03 4.2349E-03 -1.0000E+31 11 4 3 1 6 1 1 2 1 2 -2147483647 2015 16.951620 22 50 20 0 59.0788 5.9287E-02 1.6939E-02 2.1174E-02 3.1761E-02 2.5409E-02 1.6939E-02 1.2704E-02 2.1174E-03 4.2348E-03 0.0000E+00 -1.0000E+31 7 2 2 3 3 2 3 1 2 0 -2147483647 2015 16.955093 22 55 20 0 59.0730 8.4705E-02 5.0823E-02 4.2352E-02 3.1764E-02 8.4705E-03 3.3882E-02 8.4705E-03 4.2352E-03 0.0000E+00 2.1176E-03 -1.0000E+31 10 6 4 3 1 4 2 2 0 1 -2147483647 2015 16.958565 23 0 20 0 59.0719 7.6236E-02 4.2353E-02 6.3530E-02 7.4118E-02 3.3882E-02 3.3882E-02 4.2353E-03 2.1177E-03 0.0000E+00 0.0000E+00 -1.0000E+31 9 5 6 7 4 4 1 1 0 0 -2147483647 2015 16.962037 23 5 20 0 59.0770 1.0164E-01 6.7759E-02 3.1762E-02 1.0587E-02 3.3880E-02 1.6940E-02 2.5410E-02 4.2349E-03 0.0000E+00 2.1175E-03 -1.0000E+31 12 8 3 1 4 2 6 2 0 1 -2147483647 2015 16.965509 23 10 20 0 59.0788 1.4398E-01 3.3879E-02 3.1761E-02 2.1174E-02 1.6939E-02 8.4696E-03 8.4696E-03 4.2348E-03 0.0000E+00 2.1174E-03 -1.0000E+31 17 4 3 2 2 1 2 2 0 1 -2147483647 2015 16.968981 23 15 20 0 59.0737 7.6233E-02 5.9293E-02 5.2940E-02 2.1176E-02 2.5411E-02 8.4704E-03 2.9646E-02 2.1176E-03 2.1176E-03 0.0000E+00 -1.0000E+31 9 7 5 2 3 1 7 1 1 0 -2147483647 2015 16.972454 23 20 20 0 59.0740 6.7762E-02 6.7762E-02 5.2939E-02 7.4115E-02 3.3881E-02 2.5411E-02 1.2705E-02 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 8 8 5 7 4 3 3 0 0 0 -2147483647 2015 16.975926 23 25 20 0 59.0767 1.0164E-01 4.2350E-02 2.1175E-02 5.2937E-02 1.6940E-02 0.0000E+00 4.2350E-03 2.1175E-03 0.0000E+00 0.0000E+00 -1.0000E+31 12 5 2 5 2 0 1 1 0 0 -2147483647 2015 16.979398 23 30 20 0 59.0776 8.4698E-02 5.0819E-02 4.2349E-02 5.2936E-02 4.2349E-02 4.2349E-02 8.4698E-03 0.0000E+00 8.4698E-03 0.0000E+00 -1.0000E+31 10 6 4 5 5 5 2 0 4 0 -2147483647 2015 16.982870 23 35 20 0 59.0797 1.1010E-01 9.3164E-02 2.1174E-02 3.1761E-02 3.3878E-02 8.4695E-03 4.2347E-03 2.1174E-03 2.1174E-03 0.0000E+00 -1.0000E+31 13 11 2 3 4 1 1 1 1 0 -2147483647 2015 16.986343 23 40 20 0 59.0784 5.9288E-02 4.2348E-02 1.0587E-02 0.0000E+00 3.3879E-02 1.6939E-02 4.2348E-03 4.2348E-03 0.0000E+00 0.0000E+00 -1.0000E+31 7 5 1 0 4 2 1 2 0 0 -2147483647 2015 16.989815 23 45 20 0 59.0824 5.9284E-02 8.4691E-03 3.1759E-02 0.0000E+00 3.3876E-02 2.5407E-02 8.4691E-03 6.3518E-03 2.1173E-03 2.1173E-03 -1.0000E+31 7 1 3 0 4 3 2 3 1 1 -2147483647 2015 16.993287 23 50 20 0 59.0893 1.0162E-01 8.4681E-02 5.2926E-02 4.2341E-02 1.6936E-02 8.4681E-03 8.4681E-03 0.0000E+00 0.0000E+00 0.0000E+00 -1.0000E+31 12 10 5 4 2 1 2 0 0 0 -2147483647