USGS/Cascades Volcano Observatory, Vancouver, Washington
REPORT:
A Low-Data-Rate Digital Telemetry System
-- Thomas L. Murray,
A Low-Data-Rate Digital Telemetry System
IN: Ewert and Swanson, (eds.), 1992, Monitoring
Volcanoes: Techniques and Strategies Used by the Staff of the
Cascades Volcano Observatory, 1980-1990: USGS Bulletin 1966,
p.11-24.
Table of Contents
-
Abstract
- Introduction
- Design Considerations
- Radio Power
- Physical Size
- Power Consumption
- System Features
- Theory of Operation
- Circuit Description
- Clock
- System Power Supply
- Transmission-control Logic
- Analog Multiplexer
- Analog-to-digital Converter
- Channel-ID Counter
- Number-of-channel-transmitted Counter
- Universal Asynchronous Receiver Transmitter (UART)
- Modem
- Radio
- Power Consumption
- Conclusion
- References Cited
- Appendix
- Transmitter Specifications
- Receiver Requirements
- Field Receiver Program for the Radio Shack Model 100/102
URL for CVO HomePage is:
<http://vulcan.wr.usgs.gov/home.html>
URL for this page is:
<http://vulcan.wr.usgs.gov/Monitoring/Bulletin1966/Chapter2/table_contents.html>
If you have questions or comments please contact:
<GS-CVO-WEB@usgs.gov>
02/18/98, Lyn Topinka