No traffic surveys were made of telephone cperation, but an estimate for the pre-operational period, December 1, 1950 to February 1, 1951, indicates: Site Callspexyhour Eniwetok Army operated-no data Parry 600 Runit Aomon-Biijiri-Roj oa Engebi 175 225 . 350 For the operational period, February 1, 1951 to May 25, 1951, the estimate indicates: site Calls h Entiwetok Parry Runit Aomon-Biijiri-Rojoa Engebi Army operated-nodata 1200 350 425 550 RADIO SECTION The Radio Section was responsible for the installation and maintenance of equipment for a marine net, an aircraft net, an AEC net, public address systems, recreational radios, and record players. In addition, the Radio Section operated the movie equipment and recorded music programs, During the operational period, the section aided as well in the repair of Geiger counters and other equipment for Users. The main difficulties encountered were shortages of spare parts and the withdrawal of loaned equipment by the Army when the Korean action began. The following tabulations show the extent of activity in the establishment and maintenance of radio facilities for the Project: -- TABLE 16,3-2. MARINE RADIO NET EQUIPMENT Radio-Equipped Stations LSU's June- Oct. 1950 7 7 7 2 4, 5 1 1 2 1 5 Water Taxis 1 Visiting ships, drydock, etc. Feb.= June 1951 - Marine land station Control station Dec. 1950 Feb. 1951 LCM's Tugs Oct.- 4 Dec. 1950 - 3 6 - 3 3 1 6 5 5 3 4 1 9 Equipment used: SGR 608, SCR 619, SCR 508, and RA 83 tranamitter recelvers. Net: Ship to ship, shore to shore, point to point, ship to shore, 16-15