- Oregon Scientific WM-918
- Battery backup and UPS backup (uninterruptible power supply)
- Wind speed and direction unit is tower side mounted 55 feet above
ground and approx 650' ASL.
- Temperature and humidity sensors are in a shaded area 10 feet above
- Rain gauge is an automatic emptying type
- Known issues:
- Wind speed may read low due to nearby trees. This is most noticeable
in the southerly directions in the summer. Compare winds near
The weather station is close to the water which will moderate the
temperatures, especially during westerly winds. This often results in
higher temperatures in the winter and lower in the summer than what you
would see further inland.
Software & Interface
- Dedicated Pentium 2.66 running Windows XP
- 1GB Ram
- Protected with a UPS
- Internet - high speed cable
- The weather data is transferred from the WM-918 to the computer via
a RS 232 serial interface every 5 seconds
- This is accomplished using Andy Keir's FreeWX program.
- Approximately every 3 minutes FreeWX uploads the latest weather data
and snap shot to www.pilor.com
- The data you see on the internet should be no more than 4minutes
old. Assuming your clock and mine are set for the same time! The weather
computer clock is corrected to exact time every 24 hours.
- The website is of my own design using HTML and some Java
- Have a suggestion? Email the Webmaster