81051. Simpson, H. J.. Aerosol and Precipitation Chemistry at Mauna Loa Observatory. Boulder, CO, US Department of Commerce, National Oceanic and Atmospheric Administration (NOAA), Environmental Research Laboratories (ERL), 1972. vi, 56p. Call Number: C 55.13:ERL 248 APCL 24. 

81052. Simpson, H. J.. Aerosol and Precipitation Chemistry at Mauna Loa Observatory. Boulder, CO, US Department of Commerce, National Oceanic and Atmospheric Administration (NOAA), Environmental Research Laboratories (ERL), 1972. vi, 56p. Call Number: C 55.13:ERL 248 APCL 24. 

81053. Simpson, J. A.. Memorandum forwarding letter to Space Science Working Group university representatives. Chicago, IL, 28 October 1983. 1p., attachment. Call Number: SSEC VES No.1620. 

81054. Simpson, J. A.. Letter announcing withdrawal as Chairman of the Space Science Working Group Steering Committee and appointment of Martin H. Israel as new chair. Letter gives an overview of the work done since 1982. Chicago, IL, 28 October 1983. 2p. Call Number: SSEC VES No.1620, attachment. 

81055. Simpson, J. A.. Letter concerning continuing NASA funding for Pioneer Spacecraft and the Infrared Telescope Facility and expressing interest that NASA's FY 1984 budget will continue support of scientific programs. Washington, DC, 15 July 1983. 2p. Call Number: SSEC VES No.1622, attachment. 

81056. Simpson, J. A.. Letter responding to Flippo's request for information on the scientific utilization of the space telescope. Chicago, IL, 10 June 1982. 1p. Call Number: SSEC VES No.1632, attachment. 

81057. Simpson, J. A.. Letter responding to Flippo's request for information on the scientific utilization of the space telescope with a statement from the Space Science Working Group. Attachment: Effectiveness of ST ScI operations [Space Telescope Science Institute]. Attachm. Washington, DC, 21 June 1982. 1p., attachment. Call Number: SSEC VES No.1632, attachment. 

81058. Simpson, J. A.. Suggested theme and spirit to convey for both the short and long documents. Space Science Working Group, 1982. 2p. Call Number: SSEC VES No.1637, attachment. 

81059. Simpson, J. A.. Memorandum forwarding letter to Space Science Working Group university representatives. Chicago, IL, 28 October 1983. 1p., attachment. Call Number: SSEC VES No.1620. 

81060. Simpson, J. A.. Letter announcing withdrawal as Chairman of the Space Science Working Group Steering Committee and appointment of Martin H. Israel as new chair. Letter gives an overview of the work done since 1982. Chicago, IL, 28 October 1983. 2p. Call Number: SSEC VES No.1620, attachment. 

81061. Simpson, J. A.. Letter concerning continuing NASA funding for Pioneer Spacecraft and the Infrared Telescope Facility and expressing interest that NASA's FY 1984 budget will continue support of scientific programs. Washington, DC, 15 July 1983. 2p. Call Number: SSEC VES No.1622, attachment. 

81062. Simpson, J. A.. Letter responding to Flippo's request for information on the scientific utilization of the space telescope. Chicago, IL, 10 June 1982. 1p. Call Number: SSEC VES No.1632, attachment. 

81063. Simpson, J. A.. Letter responding to Flippo's request for information on the scientific utilization of the space telescope with a statement from the Space Science Working Group. Attachment: Effectiveness of ST ScI operations [Space Telescope Science Institute]. Attachm. Washington, DC, 21 June 1982. 1p., attachment. Call Number: SSEC VES No.1632, attachment. 

81064. Simpson, J. A.. Suggested theme and spirit to convey for both the short and long documents. Space Science Working Group, 1982. 2p. Call Number: SSEC VES No.1637, attachment. 

81065. Simpson, J. A.; Eraker, J. H.; Lamport, J. E. and Walpole, P. H.. Mariner 10 Venus encounter. Science, Volume: 1893, Issue: 4131, 1974, pp.1289-1321. Reprint # 260. 

81066. Simpson, J. A.; Eraker, J. H.; Lamport, J. E. and Walpole, P. H.. Mariner 10 Venus encounter. Science, Volume: 1893, Issue: 4131, 1974, pp.1289-1321. Reprint # 260. 

81067. Simpson, J.; Adler, R. and Atlas, D.. Guidelines for the Severe Storms Program of the Goddard Laboratory for Atmospheric Sciences in the 1980's. Greenbelt, MD, National Aeronautics and Space Administration (NASA), Goddard Space Flight Center, 1980. 85p. Call Number: NAS 1.107:80-22. 

81068. Simpson, J.; Adler, R. and Atlas, D.. Guidelines for the Severe Storms Program of the Goddard Laboratory for Atmospheric Sciences in the 1980's. Greenbelt, MD, National Aeronautics and Space Administration (NASA), Goddard Space Flight Center, 1980. 85p. Call Number: NAS 1.107:80-22. 

81069. Simpson, Joanne. Letter forwarding fnial version of preface and executive summary of TRMM SSG report. Attachment: Preface to Tropical Rainfall Measuring Mission (TRMM) report. Attachment: Draft of Executive summary of Tropical Rainfall Measuring Mission (TRMM) report.. Greenbelt, MD, 29 February 1988. 1p., attachment. Call Number: SSEC VES No.3052. 

81070. Simpson, Joanne. Memorial email. Memories of Vern Suomi. Vern Suomi: Great scientist, great teacher, great sense of humor, great friend. Greenbelt, MD, 8 August 1995. 2p. Call Number: SSEC VES No.4607. 

81071. Simpson, Joanne. Letter inviting Suomi to serve as interim member of VIRS Science Team until new TRMM Science Team is selected. Washington, DC, 14 October 1992. 1p. Call Number: SSEC VES No.2836, attachment. 

81072. Simpson, Joanne. Letter forwarding information on warm rain detection using IR channels on VIRS. Greenbelt, MD, 30 March 1993. 1p., attachment. Call Number: SSEC VES No.2842. 

81073. Simpson, Joanne. Letter concerning problems with VIRS, but for TRMM rainfall, none appear serious. Attachment: Comments and graphs detailing problems with band 5 response; relative calibration; linearity; noise NEDT vs. digital resolution; and ghost images. Greenbelt, MD, 20 May 1993. 1p., attachment. Call Number: SSEC VES No.2843. 

81074. Simpson, Joanne. Project Science Team listing for Tropical Rainfall Measuring Mission (TRMM). Attachment: TRMM Science Team membership list, with names and addresses. Greenbelt, MD, 20 May 1992. 1p., attachment. Call Number: SSEC VES No.2845. 

81075. Simpson, Joanne. Letter concerning TRMM Science Team meeting in June 1993. Discussion of how hiring limitation at Goddard and low TRMM budget will effect work on TRMM algorithms. Attachment: Response sheet from TRMM Science Team Members. Form for indicating preference. Greenbelt, MD, 9 December 1992. 2p., attachments. Call Number: SSEC VES No.2846.