1. HTB data collection Mesoscale Atmospheric Network Workshop University of Helsinki, 12 February 2007 Heikki Turtiainen

2. ©Vaisala | date | Ref. code | Page 2 Developments in observation network communications sensor 1 data logger communications unit sensor n sensor 1 sensor n TCP/IP communications unit (with data buffer) sensor bus conventional data collection system data transmission to database two-way data connection to database / network management system - always on GPRS, ADSL, WLAN, WiMax...

3. ©Vaisala | date | Ref. code | Page 3 Helsinki Testbed data collection CO2 GSM/GPRSIP (VPN) SoundingsWind Profiler Ceilometers Surface observations ADSL LAN ADSL GPS Mobile observation platforms FMI APN

4. ©Vaisala | date | Ref. code | Page 4 Data collection + interface to CDW CDW SOA interface IP Testbed MetMan IP FMML - XML schema http Existing FMI data streams Surface obs, soundings, WP CL31

5. ©Vaisala | date | Ref. code | Page 5 Testbed data collection: application platforms Surface observation stations Aplicom 12 GSM engine with Java (J2Me) environment Network control interface adapter for various observation equipment TCP/IP based communications middleware for transporting data over GSM/GPRS network to / from MetMan and other network management systems Same software (with some platform dependent libraries) can be run for example in MetMan PC to provide similar interface for directly connected devices, ex. ceilometers with DXE 421 com server. Soundings, Wind Profiler Microsoft Windows based measurement and data processing applications with native IP connectivity Utilize the same communications middleware than J2Me application

6. ©Vaisala | date | Ref. code | Page 6 Data collection: application platforms contd. Vaisala MetMan Vaisala Solutions product for observation data management Microsoft Windows operating environment Collecting the data from observation stations Data conversion to FMML and html posting to central data warehouse

7. ©Vaisala | date | Ref. code | Page 7 HTB data flow - original architecture

8. ©Vaisala | date | Ref. code | Page 8 HTB data flow - current architecture (temporary)