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E-AMDAR TAG-6 System Status and Updates: Automation, Trends, and Development Insights

This report provides a comprehensive overview of the E-AMDAR TAG-6 system, detailing daily bias and gross errors across aircraft, monthly trend analyses, and quarterly evaluations of performance metrics. The system emphasizes a high degree of automation to maintain low operational costs, but feedback from users remains minimal. Future developments include automated messaging for operators and enhanced applications. We also address severe temperature discrepancies in specific aircraft and outline case studies for continuous improvement in data accuracy and timeliness.

derek-levine
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E-AMDAR TAG-6 System Status and Updates: Automation, Trends, and Development Insights

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  1. QEv Centre, current status, new developments • Daily BIAS & GROSS ERRORS of TA, FF & DD and TIMELINESS of each aircraft (as BODY.TXT, also possible as XLS) • Monthly OVERVIEW of TRENDS of BIAS of TA, FF & DD based on the daily's [refreshed every 3-7 days for an actual trend] as XLS + fig.s; TBD: Timeliness • Quarterly EVALUATION with statistics (amount, averages, standard dev.) and gross errors reports + timeliness for a three months period + logistics and operational issues + special studies (analyses) for further R&D E-AMDAR TAG-6

  2. Status Quo • High degree of automation, low personal costs • Focus on QEv - user interface, to stimulate feed-back (however feed back from operators to QEv is minimal-will not stimulate improvements) • Daily data-set + Applications and actual "Monthly" XLS provide a "help yourself" utility • Technical coordinator (ST) take care for direct action, if necessary • Quarterly reports informs on the overall status of the E-AMDAR systems and provide case issues triggering improvements. E-AMDAR TAG-6

  3. Possible developments • Automatic messaging (by QEvC to operators) • Additional applications (local by operators): N x (e.g.. 10) daily TXT  XLS with selected aircraft Application (XLS) + macro linked to N XLS  trend in TA, FF, DD & timeliness E-AMDAR TAG-6

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  6. Outside HIRLAM area: other background • Instantaneously (real time: availability of actual background), every 3H refresh (2x to Ev. delayed data) • Input: lat, lon, alt + UTC  TA, FF, DD E-AMDAR TAG-6

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  8. Criteria The critical (absolute) margins used for selecting entries are: ·         Air Temperature: |TA(O)-TA(B)| 0,5 C (0,5 K) ·         Wind speed: |f(O)–f(B)| 2,0 m/s ( 4 Knots) ·         Wind direction: |d(O)–d(B)| 20  (Degrees) No criterion is stated concerning standard deviations. E-AMDAR TAG-6

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  11. Gross errors For a number of observations extreme temperature differences were observed: Aircraft with occasionally extreme temperature differences (T > 20 K) are: EU1035, EU2405, EU3421, EU7864 and EU8736. E-AMDAR TAG-6

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  19. Case studies ? • New issues for U or t-dew • Profile specific • Aircraft type related • Spatial distribution • Availability (interval distribution) • Applications oriented • [BUFR] code issues • Turbulence data E-AMDAR TAG-6

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