1. THEMIS/GBO KickOff 1 UCB, June 2, 2003 Ground Based Observatories (GBO)

2. THEMIS/GBO KickOff 2 UCB, June 2, 2003 Ground Based Observatories Observatory elements Environmental enclosure All Sky Imager (ASI) Ground Magnetometer (GMAG) GPS receiver for time sync Method for unattended Data Collection Stream 1 compressed data daily transmission Stream 2 high res. data periodic collection

3. THEMIS/GBO KickOff 3 UCB, June 2, 2003 GBO Site Requirements All Sky viewing Minimal local light contamination Clear of magnetic interference Power (120V, 60Hz, TBD Amps) Telephone line

4. THEMIS/GBO KickOff 4 UCB, June 2, 2003 Observatory Enclosure Req’s. Operate in external temperature range of -60° to +50°C (TBR) Maintain appropriate internal temperature (~ 20°) Compatible with ASI dome, provide heated air flow Provide controlled internal airflow to prevent overheating. Suitably rugged, stable mounting, shock protection

5. THEMIS/GBO KickOff 5 UCB, June 2, 2003 All Sky Imager All Sky Lens AGO heritage “Starlight-Xpress” MX716 Cooled CCD 16-bit pixel data 752 x 580 format

6. THEMIS/GBO KickOff 6 UCB, June 2, 2003 ASI Camera

7. THEMIS/GBO KickOff 7 UCB, June 2, 2003 GBO Computer Candidate DataLux DataBrick III Pentium III Compact size Low power (18 W) Rugged, shock mounted internal HDD Operating Temp: 0º to 50º C Storage Temp: -20º to 65º C Built-in Thermal Management OS: Win98/2000/XP, or Linux

8. THEMIS/GBO KickOff 8 UCB, June 2, 2003 GBO Computer DataLux DataBrick III Dimensions: 264 x 140mm

9. THEMIS/GBO KickOff 9 UCB, June 2, 2003 Computer I/O Serial USB 10/100Base-T PCMCIA Ports Available All Sky Imager Ground Magnetometer GPS VSAT Phone Line Modem Swappable HDD 2212      

10. THEMIS/GBO KickOff 10 UCB, June 2, 2003 Site Software Functional Req. Instrument Control ASI Exposure/Rep Rate GPS Setup GMAG? Synoptic Data Recording ASI –Full resolution –Stream 1 compression GMAG GPS time sync Data Transfer Stream 1 –VSAT –Phone Line –IRIDIUM Stream 2 –Swappable HDD Management Operates on Time Line Remote Control Capable

11. THEMIS/GBO KickOff 11 UCB, June 2, 2003 Data Archival Stream 1 Capture 39 Mbit/day per station (20 stations) Stream 2 Capture 63 Gbyte/season

12. THEMIS/GBO KickOff 12 UCB, June 2, 2003 Schedule

13. THEMIS/GBO KickOff 13 UCB, June 2, 2003 Communication THEMIS ftp site ftp://apollo.ssl.berkeley.edu/pub/THEMIS/

14. THEMIS/GBO KickOff 14 UCB, June 2, 2003 Communication Email list server, visit web site and suscribe: http://deadsun.ssl.berkeley.edu/mailman/listinfo/themis-ground-obs