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![handle is hein.gao/gaobaabrp0001 and id is 1 raw text is:
0011 - (0751#5JDOCUMENT RESUME
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Status of Project PICES. B-184833; LCD-77-319. February 11,
1977. 5 pp.
Report to Rep. Philip E. Ruppe; by Fred J. Shafer* Director,
Logistics and Communications Div.
Issue Area: Facilities and aterial management (700).
contact: Logistics and Communications Dive
Budget Function: National Defense: Department of Defense -
Military (except procurement & contracts) (051).
Organization Concerned: Defense Communicaticns Agency;
Dejartment of the Navy; Department of Defense; TRW Systems
Group.
Congressional Relevance: Rep. Philip E. Ruppe.
Project PICES (Pacific Intertie Strategic
Communications ELF System) was proposed as an alternative ELF
(extremely low frequency) communication system to the proposed
Project Seafarer. The proposal was to adapt the existing Pacific
Int-rtiw system to radiate an ELF signal. Findings/Conclusions:
The Jepartment of Defense (DOD) believes the advantages of using
the Pacific Intertie as an VLF antenna system are: (1) theare are
no tap-offs of DC power between terminals; and (2) there are no
AC carrier interaction problems. DOD planned a three-stage
approach to studying the PISCES concept, but did not complete
the studies because it was unable to obtain congressicnal
approval. TRW Systems Group conducted a study of the feasibility
of using the Pacific Intertie for ELF transmissions. The
conclusion was that Project PISCES is technically feasible for
ELF transmissions. The Science Advisory Group of the Defense
Communications Agency concluded that, while PISCES is
technically feasible, it should be considered as a possible
fallback ELF system. These conclusions were based on:
indications that the proposed system would not provide desired
coverage for all operational areas; uncertainty about
conductivity under the Pacific Intertie tranzmission line; and
uncertainties about cost. (E.S)](ViewImageLocal?handle=hein.gao/gaobaabrp0001&div=1&collection=&method=preview&ext=.png&size=3)