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Serial cable

to DataRAM

‘ON’ button

Power

cord

Serial cable to laptop

All the equipment needed for the remote telemetry unit (figure

5) is in a rugged black Pelican briefcase. The system consists

of a satellite modem, two batteries and a charger for backup

power, a satellite antenna, power cable, and a serial cable for

communications between the satellite modem and the DataRAM.

Figure 5—Remote telemetry unit used with the DataRAM.

Telemetry Equipment

The remote satellite telemetry system uses a low-orbit satellite

system to send data from the DataRAM to a base station where

the information can be viewed and retrieved on the Internet.

The system sends 5-minute average mass concentrations

hourly by satellite to the Web site where the data will be posted

for

up-to-date, easy access. The data can be copied from the

Internet site into a database or spreadsheet application for

analysis.

Remote Satellite Telemetry

System for the DataRAM

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