tioned. The primary efforts of the 4 Universities participating in this R&D work are summarized in the following subsections. 10 10.1.1 University of Chicago (i) Site studies: Perform, in conjunction with the French groups, site stuclies of the 2 selected sites, including detailed raclio surveys ~d topogra.phic ma.ps for procurement a.nd evalua.tion of LeCroy supplied alterna.tive if possible. (li) Communications system: Procurement, installa.tion, a.nd testing of commercial tra.nsceivers

network protocol, in conjunction with Michigan, Leeds, and Telstra groups. (v) Custom communications system R&D: Work with Leeds group on development of custom transceiver. (vi) Site studies: Perform, in conjunction with the University of Chicago group, site studies of the 2 selected sites, including detailed radio surveys and topographic maps for implement custom interface. (iv) Site studies: Assist Chicago and French groups in survey of Australian site, if one is selected. 10.3 Argentina (i) Water tank studies: Perform study of water purity longevity and freezing properties with various additives