Спутник ФКИ. SAMPEX. [Редактировать]

SAMPEX – американский исследовательский спутник массой 158 кг, выведенный на орбиту 3 июля 1992 года ракетой-носителем Scout-G1 с космодрома Ванденберг. 

Технические характеристики

#ХарактеристикаЗначение
1Масса, кг158

Найдено 213 документов по запросу «SAMPEX». [Перейти к поиску]


Дата загрузки: 2017-03-09
Скачать документ
0/5
..., Anomalous, and Magnetospheric Particle Explorer (SAMPEX) in July and with the... mission operations and PIs for SAMPEX and EUVE, two low Earth..., dB 3-m ANTENNA AT 185 K TOPEX SAMPEX 12.0 YOKOH 8.0 EUVE ASTRO-D 3-dB... missions. The PIs for both SAMPEX, at the University of Maryland... Orbit and link characteristics for SAMPEX and EUVE are summarized in... multifunction capability for demonstration with SAMPEX and EUVE. Further survey of... telemetry characteristics for SAMPEX and EUVE. Mission Characteristic SAMPEX EUVE Apogee, km... on the JPL Mesa during SAMPEX and EUVE demonstrations. (The assembly... and the third option with SAMPEX. Further details of the data... 4:1 was achieved when sending processed SAMPEX science data to its destination... lines. IV. Demonstration With SAMPEX A. The SAMPEX Spacecraft SAMPEX is a small explorer-class... 1.1 rad. B. The SAMPEX-to-LEO-D Data Margin The SAMPEX-to-LEO-D terminal... at 900 kbps during four SAMPEX passes over JPL on August..., “On Site Performance Estimate for SAMPEX Spacecraft Tracking,” JPL Interoffice Memorandum... data margins for 900-kbps SAMPEX telemetry reception by the LEO... (WFF), used to support the SAMPEX mission in normal operations. Fortunately... was used during the LEO-D SAMPEX demonstration. As an added measure... the SAMPEX–LEO-D terminal demonstration configuration conducted in collaboration with the SAMPEX... of SAMPEX-in-view periods and dynamic data margins for SAMPEX–LEO... the schedule was forwarded to SAMPEX operations at GSFC. During the... 9 LEO-D TERMINAL AT JPL MESA SAMPEX COMMAND LOADS TELEMETRY DATA DIAL...: • SET AUTOSCHEDULER FOR 1-WEEK DEMONSTRATION SAMPEX OPS AUTOMATIC FUNCTIONS • ARCHIVES DATA... SAMPEX OFFICE, UNIVERSITY OF MARYLAND Fig. 8. The LEO-D terminal demonstration with SAMPEX... LEO-D terminal to process SAMPEX telemetry data. SAMPEX telemetry follows Consultative Committee... (SAMPEX has 8 virtual channels), which is followed by packet extraction. SAMPEX has... the LEO-D terminal for the SAMPEX demonstration. the data, initially at... was unsafe 3 G. Mason, personal communication, SAMPEX PI, University of Maryland, Greenbelt... the LEO-D terminal demonstration with SAMPEX. Pass summary (2 passes/day) Daily... the LEO-D terminal demonstration with SAMPEX; Kevin Hartnett of GSFC and...



Дата загрузки: 2017-03-26
Скачать документ
0.06/5
... Anomalous and Magnetospheric Particle Explorer (SAMPEX) satellite, launched in 1992 and... of NASA’s Small Explorer programme. SAMPEX is in a high- -165- inclination... regions. Long-term measurements by SAMPEX have revealed fascinating features of... of keV to several MeV. SAMPEX has provided a picture of the... RSA RSIS SABER SALOMON SAME SAMPEX SAOZ SAR SARA SBUV SC...



Дата загрузки: 2016-12-24
Скачать документ
0.47/5
... Abstract. We report a comparison of SAMPEX detected relativistic electron microbursts and... Solar Anomalous Magnetospheric Particle Explorer (SAMPEX) have helped to determine 52... Anomalous and Magnetospheric Particle Explorer (SAMPEX) satellite carries the 106 Heavy... cm-2s-1sr-1. 115 The SAMPEX orbital period is ~96 minutes... [Blake et al., 1996]. The SAMPEX satellite's low altitude, polar 117... a day, at ~24 minutes a pass. SAMPEX has an orbital inclination of... a rainstorm of REP microbursts. 164 4. SAMPEX microbursts 165 To investigate whether... of microbursts detected by the SAMPEX’s HILT instrument during the FAST... the mirror altitude of the SAMPEX-reported electron fluxes were 170... 120 km, indicating that the SAMPEX was only viewing the bounce... 100 km altitude projection of SAMPEX's geomagnetic field 172 line, as... provides the coordinates where any SAMPEX observed REP would precipitate into... latitude and longitude 177 of SAMPEX's location, down the magnetic field... ~100 km, as in the SAMPEX data. To test the effect... investigation. 184 To determine whether a SAMPEX reported flux increase can be... threshold flux increase, J, is 189 SAMPEX records, i.e., 190 10 times the... 195 populations observed by SAMPEX's HILT instrument. SAMPEX orbital datafiles include the... IGRF model for an average SAMPEX altitude of 199 494 km... which SAMPEX 214 orbits (~450-530 km). 215 A survey of SAMPEX's HILT... of SGO FAST events and SAMPEX microbursts occurring on any given... number and average flux of SAMPEX detected BLC 224 microbursts in... rate of ~1%. 245 Periods of SAMPEX microbursts and SGO FAST events... was a time offset in the SAMPEX data set and to see... by ≤10 km, the previous SAMPEX-derived estimate for the 254... et. al., 1996]. If the SAMPEX size estimate 255 is correct... measurements for our study, 260 SAMPEX must be reporting microbursts while... our 262 study, only one SAMPEX pass was found to meet..., 263 microbursts were detected while SAMPEX was viewing only the BLC... Thursday, 23 September 2010 266 SAMPEX detected while it travelled north... BLC microbursts were detected when SAMPEX was ≤20 km from the... times of the first ten SAMPEX observed 274 BLC microbursts for... SAMPEX BLC microbursts that occurred on 19 January 286 2005, as SAMPEX... AARDDVARK stations. In this case SAMPEX reported BLC microbursts over 293...:20 UT on 8 May 2005 SAMPEX moved into the North Atlantic... events and, as expected, 306 SAMPEX detected a series of relativistic BLC... from about L=4 to L=6. 307 The SAMPEX events occurred while the satellite... of REP precipitation at 309 SAMPEX's location and SGO suggests either... 19 January 2005. During ~1-6 UT SAMPEX 313 detected BLC microbursts over... 316 orbital track for which SAMPEX is observing only the BLC... is consistent 319 with earlier SAMPEX studies which established that relativistic... range and extent in which SAMPEX detects microbrsts is quite 322... restricted longitude range in which SAMPEX detects only BLC 327 microbursts... through the outer radiation belt, SAMPEX travels from L=4 to 357 L=6, the... same relativistic precipitation bursts from SAMPEX and 373 SGO, even though... labeled "S" represent the times of SAMPEX observations in the BLC over.... During this storm period 385 SAMPEX’s orbit was such that it... electron microbursts, through a comparison with SAMPEX detected 403 relativistic electron precipitation... and we have shown that SAMPEX 410 detects relativistic microbursts during.... In the one case where SAMPEX flew along a transmitter-receiver path... the BLC microbursts reported by SAMPEX corresponded in time to FAST... acquiring 433 and reading the SAMPEX data, and NSF grant ATM... and spatial resolution measurements by SAMPEX of the precipitation of relativistic... Nakamura, R., K. Kamei, and Y. Kamide (1998), SAMPEX observations of storm-associated electron..., D. N. Baker, J. B. Blake, and M. Looper (2000), SAMPEX observations of precipitation bursts in... 8.3 89 43 0 588 589 Table 2. SAMPEX microburst occurrence numbers for the... circles. The L=3-8 range across which SAMPEX typically detects REP activity is... radiation belt population observed by SAMPEX's 612 HILT instrument. Here T indicates... 618 619 Figure 4. Occurrence of SAMPEX observed BLC microbursts examined in... mark the positions of the SAMPEX satellite 629 when it was... at 636 SGO during the SAMPEX observations shown in Figure 5. Vertical... 641 642 Figure 7. Locations of SAMPEX detected bounce loss cone microbursts... "S" represent the 653 times of SAMPEX observations in the BLC over...



Дата загрузки: 2017-03-28
Скачать документ
0/5
..., Anomalous, and Magnetospheric Particle Explorer (SAMPEX), launched in June 1992, discovered... electrons in the upper atmosphere. SAMPEX’s mission is to monitor energetic... SAM Satellite Applications Information Notes SAMPEX Solar, Anomalous, and Magnetospheric Particle..., Anomalous, and Magnetospheric Particle Explorer (SAMPEX), 12 solar studies, 1,7-8, 10, 13...



Дата загрузки: 2016-12-24
Скачать документ
0.09/5
... it was operating. i i 40 60 I L=$ •ø• SAMPEX Observations Figure 1 shows the daily... L=5 from the PET sensor on SAMPEX. 30 x ß 25 D_ 20 speed..., Anomalous, and Magnetospheric Particle Explorer (SAMPEX)spacecraft at low-Earth, polar... day 100 of 1996. The SAMPEX data show relatively brief flux...). A more extensive examination of the SAMPEX data at low-Earth orbit.... BAKERET AL.:RELATIVISTICELECTRONSAND REC•NT SAMPEX: P1ADC: > 0.4 MeV Electrons MAGNETICSTORMS 14... a truly coherent phenomenon. 6 ! i I > I I _a 4 I iI ß SAMPEX 96067 log(rate) !.,." .,i , . "1 1 31 1 61... yeor (1992) 1, IIEO .......... I ......... I ......... I' > 1 O0 1o SAMPEX I ......... I ......... MeV I ......... 50 I)OY 15 0 > ping... to a solar 4. 1996 Plate 2. (a) L-sorted SAMPEX electron data for days 1 to... o Mev 96069 . 3.5 1.0 wind stream event. SAMPEX 1.0 Mev elec 96086 log(rate... the same features as the SAMPEX measurements: Each individual brief flux... large telescope(HILT)sensor on SAMPEX [Kleckeret al., 1993] as a functionof.... We also thank members6f the SAMPEX, POLAR, WIND, GOES, and variousother... the inner and outer radiationbelts:SAMPEX, Geophys. Res.Lett.,21,409...



Дата загрузки: 2017-02-23
Скачать документ
0/5
... missions, Cluster, FAST, IMAGE, Polar, SAMPEX, and a terrestrial atmospheric satellite, TIMED... 6.7 ± 2.1 6.7 ± 2.2 6.7 ± 1.8 Ulysses 6.3 ± 2.0 6.5 ± 2.4 6.4 ± 1.7 TRACE 5.9 ± 1.5 6.5 ± 2.0 6.2 ± 1.5 FAST 5.9 ± 1.4 6.5 ± 1.5 6.2 ± 1.2 Wind 4.7 ± 2.5 5.9 ± 1.9 5.3 ± 1.8 Exodus 3.8 ± 2.2 4.6 ± 2.7 4.2 ± 2.1 SAMPEX 3.7 ± 3.0 4.4 ± 2.5 4.0 ± 2.4 Mission The table above summarizes..., Anomalous, and Magnetospheric Particle EXplorer SAMPEX is a Small Explorer mission now... low level. The instruments on SAMPEX are operating reasonably well. Those... cycle. It was noted that SAMPEX provides the only data on... observations from SAMPEX would be used, either by the SAMPEX team or... further operation. The use of SAMPEX observations to assist in system... from SEC. Assessment and Recommendations SAMPEX has the potential to provide... Program. It is understood that SAMPEX was launched before the implementation... proposed science for Exodus and SAMPEX is interesting, it was not... should go to Exodus or SAMPEX beginning in FY04. Page 21...



Дата загрузки: 2016-12-24
Скачать документ
0.35/5
... to SECAS August 30, 2001 SAMPEX data courtesy of S. Kanekal Figure... Earth Orbit SORCE, TIMED, DMSP, SAMPEX, C/NOFS TIROS, NPOESS, Page 25..., & human radiation exposure similar to SAMPEX or DMSP Science Questions: • What..., MMS, TWINS, Image?, Polar?, Cluster?, SAMPEX? non-NASA missions: GOES, LANL... Report to SECAS RTSW Salammbo SAMPEX SAT S/C SDO SEC SECAS SEM... and SAA measurements similar to Sampex, DMSP, etc S/W IMF density velocity... from SEPs L1, IH-Mappers SAMPEX/Polar MMS, LEO/GTO Page... from SEPs L1, IH-Mappers, SAMPEX/Polar MMS, LEO/GTO Page... cutoff model fit to data (SAMPEX) Refined relation using additional data... vs Kp and DST relations (SAMPEX, TIROS) Refined empirical data Using... by geosynchronous satellites, by CRRES, SAMPEX, and POLAR (among others) have... anticipated LEO Assets include NASA’s SAMPEX mission which has taken continuous...



Дата загрузки: 2017-01-04
Скачать документ
0.26/5
SAMPEX Master Data File Description Version 1.6 September 19, 2007 SAMPEX MDF Description... Data Formatting Standard ................................... 3 2.0 Overview of SAMPEX Master Data Files. ........................................................ 4 2.1 What is... 4.2 Set Descriptions....................................................................................... 16 4.2.1 Set: AS - SAMPEX Spacecraft Attitude................................... 17 4.2.2 Set: CD... Rates ........................ 32 4.2.17 Set: SB - SAMPEX Spacecraft Battery Subsystem Monitor .............................................................................................. 36...: SP - SAMPEX Spacecraft Power Monitor ...................... 37 4.2.20 Set: SR - SAMPEX Spacecraft Reaction Wheel Monitor ...... 37 SAMPEX MDF Description Version... Monitor ........................... 38 4.2.22 Set: VS - SAMPEX Spacecraft State Vector .......................... 39 4.3 Data... F - Acronyms and Abbreviations .............................................. 79 Appendix G - SAMPEX High Res Rate Changes ....................................... 81... I - SAMPEX “Event” Table......................................................... 87 I.1 Spacecraft...................................................................................... 87 I.2 LICA .............................................................................................. 97 I.3 HILT .............................................................................................. 100 SAMPEX MDF... SAMPEX MDF Description Version 1.6 September 19, 2007 Page v Document Revision History. SAMPEX... the SAMPEX science team and others interested in studying the SAMPEX mission... 3 SAMPEX MDF Description Version 1.6 September 19, 2007 Page 4 2.0 Overview of SAMPEX Master... Figure 2.1 - UNIX compatible disk structure. SAMPEX MDF Description Version 1.6 September 19... in FORTRAN. Format: F_SET_INFILE(mdf_file_name) SAMPEX MDF Description Version 1.6 September 19... offset . Format: integer*2 = F_GETWRD(offset) SAMPEX MDF Description Version 1.6 September 19.... Format: char_count = F_GETSTRING(offset, n, char_array) SAMPEX MDF Description Version 1.6 September 19... offset . Format: GETWRD_ARY(offset ,short_array, n) SAMPEX MDF Description Version 1.6 September 19...'. Format: GETSTRING(offset, 'string', nchar) SAMPEX MDF Description Version 1.6 September 19.... SAMPEX MDF Description Version 1.6 September 19, 2007 Page 17 4.2.1 Set: AS - SAMPEX Spacecraft Attitude Format: Game 1 Point 1 Offset 0 Type I Comments SAMPEX time... # 2 HILT: +5 volt monitor/converter # 2 continued SAMPEX MDF Description Version 1.6 September 19... section 4.4 Known Limitations and Problems. SAMPEX MDF Description Version 1.6 September 19... 1 2 3 4 5 Offset 0 4 6 8 12 Type I S S I B*256 Comments SAMPEX time, seconds since 01JAN92 00... section 4.4 Known Limitations and Problems . SAMPEX MDF Description Version 1.6 September 19...: Game 1 1 1 Point 1 2 3 Offset 0 4 6 Type I S S Comments SAMPEX time, seconds since 01JAN92 00... - SAMPEX Spacecraft State Vector Format: Game 1 Point 1 Offset 0 Type I Comments SAMPEX time... 6.4 PET) to the SAMPEX time (game 1, point 1). SAMPEX MDF Description Version 1.6 September... 5 4 3 Figure 6.2 - LICA PHA Event continued 2 1 0 2 1 0 2 1 0 2 1 0 2 1 0 2 1 0 2 1 0 SAMPEX MDF Description Version 1.6 September 19... MDF Table 9.1 - Statistics Record, continued SAMPEX MDF Description Version 1.6 September 19... 65 SAMPEX MDF Description Version 1.6 September 19, 2007 Page 66 SAMPEX mission..., Anomalous, and Magnetospheric Particle Explorer (SAMPEX) Mission, IEEE Trans. Geosci. & Remote... (E) mantissa (M) Figure B.2 - Low resolution rates SAMPEX MDF Description Version 1.6 September 19... +5 volt monitor (volts) A=N*2.6420e-2 continued SAMPEX MDF Description Version 1.6 September 19... 80 SAMPEX MDF Description Version 1.6 September 19, 2007 Page 81 Appendix G - SAMPEX... located in the directory: SAMPEX::$USER:[MASON.SAMPEX.UMSOC] Set RH (see...; gamename = ATTITUDE; gamepnt = 108; gametext = "Sampex pitch, zenith, & azimuth angles interpolated... quaternions"; END_GROUP = pointdscr; END_GROUP = gamedscr; SAMPEX MDF Description Version 1.6 September 19... midpoint SAMPEX MDF Description Version 1.6 September 19, 2007 Page 87 Appendix I - SAMPEX...: modified pointing algorithm reactivated continued SAMPEX MDF Description Version 1.6 September 19... S/C reconfiguration from safehold completed continued SAMPEX MDF Description Version 1.6 September 19... S/C reconfiguration from safehold completed; 1 RPM SAMPEX MDF Description Version 1.6 September 19... S/C reconfiguration from safehold completed; 1 RPM SAMPEX MDF Description Version 1.6 September 19... GENERATE_MDF GET_ISO_TIME PROC_INPUT PUT_HS_OUT PUT_RS_OUT SAMPEX MDF Description Version 1.6 September 19... Author : P. Walpole Modifications : • 1.Moved to SAMPEX [DEC ALPHASTATION], changed order of... (6 sec) Sampex instrument rates"; BEGIN_GROUP = gamedscr; gamename = LICAONESEC; gamepnt = 124; SAMPEX MDF...



Дата загрузки: 2017-01-04
Скачать документ
0/5
SAMPEX NGDF Description Version 1.2 May 30, 2007 Page i SAMPEX New Goddard Data... ................................................................. 2 1.2.7 Spacecraft Related Topics ........................................................ 2 2.0 Overview of SAMPEX New Goddard Data Files (NGDFs... Descriptions.............................................. 6 3.1 Structure Descriptions ............................................................................ 7 3.1.1 : Structure AS - SAMPEX Spacecraft Attitude ....................... 7 3.1.2 Structure: EH - HILT...: SB - SAMPEX Spacecraft Battery Subsystem Monitor .............................................................................................. 19 3.1.15 Structure: SP - SAMPEX Spacecraft... 5.4 PET single event contents....................................................................... 35 SAMPEX NGDF Description Version 1.2 May 30... D - Acronyms and Abbreviations ............................................. 57 Appendix E - SAMPEX High Resolution Rate Changes ........................... 59... ............................................................... 60 F.3 Coast mode ................................................................................. 61 Appendix G - SAMPEX “Event” Table....................................................... 62 Table G.1 -- Spacecraft... iv SAMPEX NGDF Description Version 1.2 May 30, 2007 Document Revision History. SAMPEX... “Telemetry Packet Description for the SAMPEX Data Processing Unit” SAM-1-O-08105..., Low resolution, subcom descriptions Page 2 SAMPEX NGDF Description Version 1.2 May 30.... SAMPEX NGDF Description Version 1.2 May 30, 2007 Page 3 Overview of SAMPEX New...: http://www.srl.caltech.edu/sampex/DataCenter/docs/MDFdescriptionV1.4.p df A sample... assumes some familiarity with the SAMPEX spacecraft and the 4 science instruments... power monitor Subsystem temperature monitors SAMPEX NGDF Description Version 1.2 May 30... AS - SAMPEX Spacecraft Attitude Contents: Data type Integer * 4 Comments SAMPEX time, seconds... Data type Integer * 4 Integer * 4 Comments SAMPEX time, seconds since 01JAN92 00... Data type Integer * 4 Integer * 4 Comments SAMPEX time, seconds since 01JAN92 00...) ADC (4) mode flag discriminator flag SAMPEX NGDF Description Version 1.2 May 30.../converter # 2 continued Page 9 Page 10 SAMPEX NGDF Description Version 1.2 May 30... thermister PET: P8RT thermister continued SAMPEX NGDF Description Version 1.2 May 30... Contents: Date type Integer * 4 Comments SAMPEX time, seconds since 01JAN92 00.... of Items (if>1) 3 3 3 3 9 3 3 3 3 3 4 4 4 Page 14 SAMPEX NGDF Description Version 1.2 May 30.... Contents: Data type Integer * 4 Comments SAMPEX time, seconds since 01JAN92 00... Appendix B for rate decompression algorithm SAMPEX NGDF Description Version 1.2 May 30...: Data type Integer * 4 Integer * 2 Comments SAMPEX time, seconds since 01JAN92 00... Subcom rate 5, subcom dependent (see §6.2.1) SAMPEX NGDF Description Version 1.2 May 30... 20 SAMPEX NGDF Description Version 1.2 May 30, 2007 3.1.15 Structure: SP - SAMPEX... signal ground reference spare, 2 bytes SAMPEX NGDF Description Version 1.2 May 30... section 3.1 Structure Descriptions. Page 28 SAMPEX NGDF Description Version 1.2 May 30... until reconfigured by ground command. SAMPEX NGDF Description Version 1.2 May 30... SAMPEX NGDF Description Version 1.2 May 30, 2007 Appendices Appendix A - Reference Documents SAMPEX... Page 46 SAMPEX NGDF Description Version 1.2 May 30, 2007 SAMPEX mission overview..., Anomalous, and Magnetospheric Particle Explorer (SAMPEX) Mission, IEEE Trans. Geosci. & Remote... Mabry, D. J., S. J. Hansel, and J. B. Blake, The SAMPEX data Processing Unit (DPU), IEEE... algorithm. N = integer[(128+M)2^(E-8)] Page 48 SAMPEX NGDF Description Version 1.2 May 30... +5 volt monitor (volts) A=N*2.6420e-2 continued SAMPEX NGDF Description Version 1.2 May 30... DPU ground monitor (volts) A=N*2.0750e-2 SAMPEX NGDF Description Version 1.2 May 30...-6) -(N4*1.46776e-9) +(N5*4.54815e-13) SAMPEX NGDF Description Version 1.2 May 30...-6) -(N4*1.46776e-9) +(N5*4.54815e-13) SAMPEX NGDF Description Version 1.2 May 30... SAMPEX NGDF Description Version 1.2 May 30, 2007 Page 59 Appendix E - SAMPEX High.... Page 62 SAMPEX NGDF Description Version 1.2 May 30, 2007 Appendix G - SAMPEX “Event...: modified pointing algorithm reactivated continued SAMPEX NGDF Description Version 1.2 May 30... safehold completed continued Page 74 SAMPEX NGDF Description Version 1.2 May 30... pulse-height-analyze events) continued SAMPEX NGDF Description Version 1.2 May 30... this low resolution rate packet: n=1, 2, 3, 4, 5, 6. SAMPEX NGDF Description Version 1.2 May 30..., LICA_STOP, LICA_STRT, LICA_IFC, Page 88 SAMPEX NGDF Description Version 1.2 May 30... & & & REAL*4 PITCH, ZENITH, AZIMUTH, Q_SCND SAMPEX NGDF Description Version 1.2 May 30...(4), & BS100(4), Page 89 Page 90 & & & & & SAMPEX NGDF Description Version 1.2 May 30... /SETST/ INTEGER*4 STIME BYTE TP_STAT, SAMPEX NGDF Description Version 1.2 May 30...:0,HILT_MUX1:0,HILT_MUX2:0,HILT_IDL 1:0, $ Page 98 SAMPEX NGDF Description Version 1.2 May 30...



Дата загрузки: 2016-12-25
Скачать документ
0.15/5
... mission. Co-Investigator of NASA/SAMPEX (Solar, Anomalous, and Magnetospheric Particle... electron precipitation as observed by SAMPEX/HILT during high speed stream... Radiation Belt Electrons Observed by SAMPEX, J. Geophys. Res., 115, A07210, doi..., S. G. Kanekal, M. Looper, and M. Temerin (2001), SAMPEX Long Term Observations of MeV... Electron Flux Variations Observed By SAMPEX During Nov. 1-8, 1993, AGU Monograph.... 10. Mason, G. M., ..., X. Li, et al., SAMPEX: NASA’s First Small Explorer Satellite... radiation belt electrons observed by SAMPEX and Introduction of the USA... Measurements of MeV Electrons by SAMPEX and Quantitative Prediction of MeV..., Anomalous, and Magnetospheric Particle Explorer (SAMPEX), PI: Dan Baker $1,351,519...-60k/yr. Now the NASA/SAMPEX flight mission was already ended...