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The SSCL Accelerator System's String Test (ASST) has had several cool down, subsequent operational test series, and warm up cycles. The first cycle of these was rather limited in scope as mandated by Congress. The subsequent tests have been performed to obtain more complete information about parameters of, or operating experience with, the ensemble of magnets and spools when operating serially as in accelerator operations. The tests and procedures performed to date have emphasized cryogenic, mechanical, and electrical operations. These have included running, as well as upset conditions, i.e., superconducting to normal transition of the string (quench). This paper represents a summary of the operational test results and characteristics seen to date. A limited discussion will be included as to their implications with respect to a successful accelerator operation.

The experimental operation of a 100-m half cell for a superconducting super collider are reported. The tests on the 50-mm apeture magnet string, which are known as the Accelerator System String Test, involves data acquisition on operating procedures and parameters to supplement information obtained from test runs of a 17-m half cell with a 40-mm aperture. The 100-m long half cell is at the N-15 facility in Waxahachie, TX.