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TimeTech’s status of SATRE Modem Manufacturing SW Update Mobile Calibration Station

TimeTech’s status of SATRE Modem Manufacturing SW Update Mobile Calibration Station. 26th meeting of the CCTF WG on TWSTFT GUM, Warsaw, 7-8 June 2018 Wolfgang SCHÄFER, Thorsten Feldmann, Shuo Liu TimeTech GmbH, Stuttgart, Germany www.timetech.de wolfgang.schaefer@timetech.de

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TimeTech’s status of SATRE Modem Manufacturing SW Update Mobile Calibration Station

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  1. TimeTech’s status of SATRE ModemManufacturingSW UpdateMobile Calibration Station 26th meeting of the CCTF WG on TWSTFTGUM, Warsaw, 7-8 June 2018 Wolfgang SCHÄFER, Thorsten Feldmann, Shuo Liu TimeTech GmbH, Stuttgart, Germany www.timetech.de wolfgang.schaefer@timetech.de xx49-711-678-08-0

  2. Content • Modem manufacturing, Availability • Software update and SW Status • Mobile Calibration Station TimeTech status: SATRE Manufacturing, SW update, Mobile Calibration Station

  3. SATRE Modem Manufacturing, Availability In Stock: • Modules for approx 80 units • Full Manufacturing until 2022 (20 / a) • Parts and Spares availability: 2025 • Maintenance: beyond 2025 Digital modem: • on hold due to poor C/No, low priority • Design by TL: cannot be commercialised due to licensing issues • Still deemed an important development Successor: • Introduction 2025 to 2030 • based on ACES-MWL Design TimeTech status: SATRE Manufacturing, SW update, Mobile Calibration Station

  4. SATRE SW Status and SW Updates Problematic • hang condition with re-boot • NTP sync failures Root cause: • LAN driver in new processor Vortex86 Solution: • Use old LAN chip located on IIOTIC module • This interface was disabled some years ago, now reactivated • Requires BIOS and SW-Update TimeTech status: SATRE Manufacturing, SW update, Mobile Calibration Station

  5. SATRE rear LAN interface LAN shall be in left-most module, IIOTIC Please contact us for details and support TimeTech status: SATRE Manufacturing, SW update, Mobile Calibration Station

  6. SATRE SW Version information • 3 types of processor module involved • Lastest software, configuration, maintenance manual, recovery tools found on ftp.timetech.de (user: upjump, pw: SATRE2013) TimeTech status: SATRE Manufacturing, SW update, Mobile Calibration Station

  7. Mobile Calibration Station Status • 1 Station fully operational and maintained • Next EU calibration trip planned for 2019 • 1 Set of spares How to proceed (to trigger thinking) • Station could be taken over by an NMI. TimeTech will maintain. • One new station could be built from spares for redundancy. TimeTech status: SATRE Manufacturing, SW update, Mobile Calibration Station

  8. Whats next? • Dedicated Ground station design (thermal stabilisation) • Higher bands: potential50 GHz to 200 GHz • Wide-band Modulation. Up to 5 GHz • µWave show tolerance to clouds • Advantage over free-space laser links • Active element needed on board at levels of 1E-17 and beyond • Simulations for GEO: 1E-18 @ 1 day feasible TimeTech status: SATRE Manufacturing, SW update, Mobile Calibration Station

  9. Mobile Station has 1 defined Interface, at which calibration takes place. (input) Relation of Interfaces to UTC(k) is lab responsibility: “Determine, which time goes into the cal station” Note: pps signals from labs are different. Here we ensure, that pps entering Cal station is always the same TimeTech status: SATRE Manufacturing, SW update, Mobile Calibration Station

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