1. Packet River Monitor Clark County Washington ARES/RACES

2. When All is Calm…

3. Who needs Water Monitors?

4. But when it gets wild & wet…

5. The Public needs to know!

6. That’s why we have: River Monitors

7. The System: Designed by John Fletcher – KB7FND Dual port pressure sensor Kantronics KPC3+ TNC MFJ Data Radio Custom Interface Board 12v Battery pack Vertical Antenna Custom Computer Software

8. River Monitor Station

9. Water Monitor QTH Washougal River Fifth Plain Creek - Sifton Lewis River – Woodland Temperature only stations in Clark County (Woodland, Washougal, Orchards, Red Cross) With New Software – Internet Display and History

10. Washougal River

11. Fifth Plain Creek

12. Lewis River

13. Monitor Stations CRESA Fire stations Police Stations Hams near water ways Anyone with Internet Access

14. Custom DOS Packet Software Developed by John – KB7FND Charts of water and temperature 24 hour history of water/temperatures Alarms for battery and water levels Packet Terminal session Works on any PC Runs under Windows or DOS

15. DOS

16. New Windows Software True Windows Application Simultaneous water levels and packet session Multi-stream sessions Quick Message function List of favorite stations Log Search Multi-level alarms No need for separate packet PC

17. Main Window

18. Chart Window

19. Web Site

20. Existing Hardware Existing sensors fail Batteries must be changed every 2 weeks Have had some vandalism Provides reliable service Packets Digipeated around area

21. New Hardware Commercial Unit Uses Ultrasonic Sensors – non-clogging 1-2 Watt Transmitter Up to 2 year battery life Reports more often as flood stage nears APRS packet format APRS map ready

22. XPONDR

23. XPONDR

24. XPONDR

25. XPONDR

26. The Future Additional XPONDR units? DOS software mods to support XPONDR Gateway to APRS Frequency 144.930

27. 73 Clark County River Monitor System