Dropsondes, 1970-1973

(1092) Dropsonde loading onto Sabreliner, Jefferson County Airport [Jeffco], National Hail Research Experiment [NHRE] project, July 6, 1970; (1096C) Dropsonde loading onto Sabreliner, Jeffco, NHRE project, Walter Grotewold in picture, July 6, 1970; (1118) Dropsonde areas from air, Raymer, Colorado, drops 1-6, July 31, 1970; (1145A) Dropsonde release from Sabreliner, taken air-to-air from Queen Air N304D, copy, September 11, 1970; (1185) Dropsonde chute test, Marshall, 5th test, December 21, 1970; (1185C) Queen Air, dropsonde with chutes, windy, first test, December 8, 1970; second test, December 11, 1970; third test, December 15, 1970; fourth test, December 16, 1970; fifth test, December 21, 1970; (1191) Mother GHOST [Global Horizontal Sounding Technique] dropsonde, December 24, 1970; (1394B) Dropsonde, July 19, 1972; (1459) Instrumentation from dropsonde in lab, January 17, 1972; (1686) Wind-finding dropsonde, December 15, 1972; (1773B) Wind-finding dropsonde, March 13, 1973; (1786BC) Double balloon borne dropsonde, copy, March 26, 1973; (1812B) Component parts of wind-finding dropsonde with captions, April 10, 1973; (1864) Dropsonde site, Buckingham, Colorado, May 17, 1973, photographed by Jim Weber; (1929) Dropsonde, press release, July 5, 1973; (2006B) Global Atmospheric Research Program's [GARP] Atlantic Tropical Experiment [GATE] dropsonde, drawings showing how it functions, September 5, 1973 [according to Holger Voemel these are actually Carrier Balloon System dropsondes and not used in GATE]; (2008C) Dropsonde, Mark II, September 5, 1973; (2009C) Dropsonde, Mark II, eleven slides, September 5, 1973; (2016C) GARP-GATE dropsonde art work, copy, September 14, 1973 ; (2107) Dropsonde, NHRE, November 29, 1973.