Flood Early Warning System and Distribution of Information Communication Using Radio Link

In this paper, early warning of flooding includes several main sections the first is from the sensor height of the water surface consists of three levels, namely a safe, alert and danger the second is a wireless communication system that connects between each point and control systems, wireless is used is wireless with the 433 Mhz frequency and the third is the control center of the main function is to receive data from each of each monitoring point then, analyze the data and send the results to the notification system. The notification system created this system is in the form of alarms and alerts using SMS messages from modem integrated with the control center working principle of the system are made is when two sensors or more indicate the alert level or danger then each point will send an alert data using wireless to the center control, the control center will process simultaneously verify the data and process it into a text message to multiple mobile phone numbers stored in the control system