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<br />descriptions are provided in the first Final Report (Knudsen, et a1., 1981). <br /> <br />Separate from site construction and platform assembly was the instrument <br />installation during the spring of 1981. The PROBE instruments and electronics <br />installation commenced on 3 April 1981 and was completed on 29 April 1981. A <br />station at project headquarters was also assenlb1ed and intermittently operated <br />during CCOPE for display and equipment testing purposes. As a result, 96 <br />stations were operated during the course of CCOPE. <br /> <br />~ <br /> <br />For the PROBE instrument installation, 4 crews of 2 persons mounted and <br />powered-up the instruments and electronics at field sites. Each crew was <br />scheduled to install up to 4 stations per day. It took 19 working days and 4 <br />crews to install 95 stations during April. There were 4 days (Table 11.4) in <br />which 10 stations were set up. After all stations were powered up and <br />available for data monitoring, approximately 2 weeks of field shakedown were <br />required to remove most of the major problems and for the service personnel to <br />gain familiarity with the mesonet operation. <br /> <br />B. "PROBE" MESONET OPERATIONS <br /> <br />1 . FIELD OPERATIONAl. PROCEDURES <br /> <br />Routine field service and repair functions commenced with the completion of <br />PROBE installation on 29 April 1981. A five day per week briefing/debriefing <br />of field service and data handling personnel was held at 0830 MDT to discuss <br />equipment problems, previous day repairs, and other pertinent matters related <br />to PROBE data quality control. <br /> <br />At the briefing, a status report of the PROBE stations' data quality and <br />performance was provided by the data management personnel. The status report <br />included a listing of': (1) all platforms installed; (2) platforms not <br />reporting; (3) suspicious data concerns; and (4) problem data. In addition, <br />the scheduled service and repair activities for the day were assigned to <br />appropriate personnel. An accounting of the operational and service status <br />record was maintained from documentation of assigned activities. <br /> <br />A computer text file on the local Perkin-Elmer minicomputer documented all <br />PROBE stations' performance and data quality. The status was generally updated <br />on a daily basis. This particular file described suspected data problems and <br />PROBE service. Any service that was performed at a PROBE field site was <br />documented on appropriate forms that were returned to headquarters for the <br />station performance file. This service information was added to the computer <br />text documentation and was available for reference by potential data users. <br /> <br />2. "PROBE" STATION PERFORMANCE <br /> <br />From the briefing/debriefing status report, a routine accounting of station <br />performance was maintained (Table 11.5). As noted in Table 11.5, a reasonable <br />understanding of data problems was accomplished by 11 May 1981 when 54 PROBE <br />data problems were idl~ntified. This was the maximum number of problems that <br />occurred at anyone time during the field seaSOD. For purposes of reporting <br />PROBE station performance, 11 May 1982 was selected as the beginning of routine <br />PROBE field operations for CCOPE. Table 11.5 shows that an average of 95 <br />stations (99%) were set up for the period of 11 May 1981 through 6 August <br /> <br />11 <br />