|
PDF print version of this specification : A4 or Letter |
Real–Time WeatherWatch (RTWW) provides
real-time weather information from multiple remote sites on an interactive web
page. Weather trends are displayed allowing clients to monitor and predict
weather patterns. A digital camera captures high-resolution images which are
displayed on a web page allowing the World Wide Web client to view the selected
site and its weather conditions.
Features
The RTWW features are as follows :
- Display of current weather variables including : wind speed, wind direction,
air temperature, relative humidity, barometric pressure
- Display of daily high and low temperatures
- Display of high wind speed and wind chill
- Display of rainfall
- Display of recent weather patterns
- Display of images
Applications
- Online weather reports for surfers, windsurfers, fishermen, divers,
hang-gliders and other sports enthusiasts
- Weather monitoring and data gathering
- Viewing or surveillance of remote sites
- Long term climate monitoring
- Prediction of local weather trends
- Surf and swell surveillance
- Agricultural monitoring
- Security systems and surveillance systems
- Traffic monitoring
Operation
Custom software running on the remote PC records local weather information
from the weather sensors and camera via modem and leased or dial-up line. A
table provides HTTP links to the pages displaying weather data and images as
well as providing links to other related pages.
RTWW Architecture
The RTWW consists of the following components :
- Weather Sensors
- Weather Monitor and Data Logger
- Camera
- Remote Weather Station with modem and Uninterruptable Power Supply (UPS)
- Dial-up or leased line connectivity to the RTWW Web Server via the Public
Switched Telephone Network (PSTN) Web Server
- Leased line or dial-up connection via an Internet Service Provider (ISP) to
the Web Client

RTWW Specifications
| Weather Monitor and Sensors |
- Anemometer
- Wind Vane
- Indoor and Outdoor Temperature Sensors,
- Indoor Relative Humidity Sensor
- Barometric Pressure Sensor
- Rain Gauge
|
| Anemometer |
Measures wind speed up to 250 km/h |
| Wind Vane |
Measures wind direction in 1 or 10 degree increments |
| Temperature Sensors |
Measures air temperature from -45 to 60 Celsius to 1 degree
accuracy |
| Relative Humidity Sensors |
Measures humidity to 1% accuracy |
| Weatherlink Data Logger |
Performs interface between PC and weather instruments |
| Web Camera |
640 x 480 resolution at 0,5 fps |
| Remote PC |
- Pentium Processor
- 32 Mbytes RAM
- SVGA Video Card
- 2 Parallel Ports, 4 Serial Ports
- Windows NT V4.0
- Framegrabber Card
- 700 VA UPS
|
| Modems |
Dial-Up Modems : 33,6 K modems (56 K enabled) Leased
Line Modems : 4-wire line modems |
| Web Server |
- Pentium Processor
- 32 Mbytes RAM
- SVGA Video Card
- 2 Parallel Ports, 8 Serial Ports
- Windows NT V4.0 Webserver
|
Visit our Real-Time WeatherWatch
!
S0004 Issue 2 Rev.1 2010-09-01
CCII Systems (Pty) Ltd • P.O. Box 171 • Rondebosch 7701 • South Africa
Telephone : (+27 21) 683 5490 • Facsimile : (+27 21) 683 5435 •
WWW : www.ccii.co.za
|