Slide 1

Packet River Monitor Clark County Washington ARES/RACES Slide 2 When All is Calm Slide 3 Who needs Water Monitors? Slide 4 But when it gets wild & wet Slide 5 The Public needs to know! Slide 6 Thats why we have: River Monitors Slide 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 Slide 8 River Monitor Station Slide 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 Slide 10 Washougal River Slide 11 Fifth Plain Creek Slide 12 Lewis River Slide 13 Monitor Stations CRESA Fire stations Police Stations Hams near water ways Anyone with Internet Access Slide 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 Slide 15 DOS Slide 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 Slide 17 Main Window Slide 18 Chart Window Slide 19 Web Site Slide 20 Existing Hardware Existing sensors fail Batteries must be changed every 2 weeks Have had some vandalism Provides reliable service Packets Digipeated around area Slide 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 Slide 22 XPONDR Slide 23 XPONDR Slide 24 XPONDR Slide 25 XPONDR Slide 26 The Future Additional XPONDR units? DOS software mods to support XPONDR Gateway to APRS Frequency 144.930 Slide 27 73 Clark County River Monitor System