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<br />. <br /> <br />silver iodide will be used as the updraft (cloud base) <br />seeding material. Dispersal of AGI will be oontinuous while <br />in areas of updraft of one meter per second or more, In order <br />to obtain maximum diffusion of the AGI while being transported <br />by the updraft to the supercooled cloud regions, the aircraft <br />will travel the full range of the updraft. Fig. 2 <br /> <br />3,5 Communications <br /> <br />Ground to air communications will be accomplished <br />using FM frequency 155,10 MHz. A base statiqn will be at the <br />Operations Center, with each aircraft having a dedicated trans- <br />ceiver. AVHF transceiver will also be located at the Operations <br />Center, Aircraft will transmit on VHF multicom frequency when <br />above the altitude authorized for transmitting on the. FM fre- <br />quency, The Project Director will utilize the FM transmitter <br />as primary and the VHF as back up. <br /> <br />. A commercial telephone will be installed at the <br />Operations Center for use in alerting aircrews, accessing the <br />U.s. Bureau of Reclamation Environmental Data Network (EDN), <br />and for general administrative use, A drop in this same tele- <br />phone circuit will be located in the Project Director's quarters, <br /> <br />All pilots will have a commercial phone installed in <br />their quarters. The project director will be provided with the <br />phone number of each pilot. In addition, each pilot will obtain <br />a paging phone system for their local area, and keep it with them <br />at all times when they are away from their commercial phone. For <br />those not located in areas of commercial paging systems, every <br />effort will be made to be integrated into the local law enforce- <br />ment system without interfering with their system, <br /> <br />3.6 Weather Radar <br /> <br />Storm monitoring and seeding control will be with a <br />C-Band radar located at the Lakin Operations Center. The radar <br />unit has both PPI and RHI scopes. The unit has an L-band air- <br />craft. Aircraft transponder signals can be displayed on the radar <br />PPI scope to permit plotting of seeder aircraft position relative <br />to the echo area. <br /> <br />3.7 Other Data Collection Equipment <br /> <br />A remote computer terminal, owned by the WKGMD #1 will <br />be located at the Operations Center and used to routinely access <br />data from the EON for use in forecasting and other daily oper- <br />ational decisions. <br /> <br />Agreements have been obtained with the Bureau of Reclam- <br />ation in Denver, Colorado to utilize services. <br />