1. One year ago … “Collaboration is the key to success”

2. September October November December January February March April May June July Complementary activities Contact regarding a joint test Design Manufacturing Field deployment Redesign & manufacturing Lab testing Redeployment Field testing

3. MIT Media Lab UH Computer Radio Network Software Enclosures Sensors Power Field Site (Study Problem) TephraNet PODS

4. Kilauea Crater Halemaumau Hawaii Volcanoes Observatory Southwest Rift Zone Hawaii Volcanoes National Park Chain of Craters Highway

5. SW Rift Zone

6. Rainfall Gradient Desert Rainforest

7. Silene Study Area Hawaii Volcanoes Observatory Southwest Rift Zone

8. Silene hawaiiensis

10. temperature humidity light wind (bend) Computer & Radio Batteries Rock Enclosures Internal: voltage

11. Michael Lurvey Inner mold: Latex & gauze Outer mold: Plaster of Paris Casting: pretinted “bondo” rockmaker

13. MIT TephraNet

14. Silene Study Area Hawaii Volcanoes Observatory Southwest Rift Zone

15. 300 feet 100 feet 6 to 10 feet

17. `Ohia Branch Enclosures temperature light Batteries Computer & Radio foam spacer

18. 6” PVC pipe Laser-printed texture Waterproof spray coating “Bondo” caps 6” PVC pipe Laser-printed texture Waterproof spray coating “Bondo” caps

19. Battery Pack Spacers

20. comm distance Deployment Layout Redundancy considerations Transmission directions

21. Deployment Positioning Wide Area Augmentation Service Accuracy ~20 feet

24. Silene hawaiiensis Field Deployment Hawaii Volcanoes Observatory

34. Recent Lessons Keep it small! Manufacturing, shipping, deployment

35. Working against a deadline is important 123 45678910 11121314151617 18192021222324 25262728293031 March 2001

36. Multiple designs provide flexibility

37. Plan on maintaining a rich development environment … right up to the end

38. Large numbers require special planning

39. You need a good support team

40. Collaboration pushed a prototype into a system Using a real problem added great focus

41. University of Hawaii Network simulations 802.11 communications Enclosure design and facrication Sensor design Camera testing and deployment Remote node administration