The SID Monitor

Overview Presentations

• Introduction to SID: A PowerPoint presentation by Ray Mitchell, chief engineer for the SID monitor.
• Designing Sudden Ionospheric Disturbance Monitors -- A unique Collaboration Between Scientists and Educators: A PowerPoint presentation for the Spring 2005 AGU conference.
• CISM Space Weather Professional Development: A PowerPoint presentation highlighting the space weather monitor program for the NSF/CISM site visit

Technical Descriptions

• SID Manual
• Frequently Asked Questions
• Sources of Noise in SID Monitors (a PowerPointer presentation about interference signatures in SID data)
• List of Technical Documents for the SID Monitor

Accessing VLF Transmitters Around the World

• VLF Transmitter List
• List of Tuning Resistors needed to develop additional SID frequency boards
• Notes about working with tuning resistors

Quick References on the Ionosphere

A list by Leandra Merola of South Side High School, NY.

• About the Ionosphere (HAARP)
• Aguirre, E. L. (2005 May). Amateurs detect effects on earth. Sky and Telescope, 109. Available through ProQuest
• Contreira, D., Rodrigues F. S., Makita K., and Brum, C. G. (2004). An experiment to study solar flare effects on radio-communication signals. Advances in Space Research, 36(12), 2455-2459.
• Davies, Kenneth (1990). Ionospheric Radio. London: Peter Peregrinus Ltd.
• The Effect of Solar Flares on the VLF Radio Waves Transmitted in the Ionosphere, a PowerPoint presentation by Sharad Khanal, 2004.
• Leary, W. E. (2006, March 6). Scientists say next solar cycle will be stronger but delayed. New York Times.
• Peter N., (2003, March 3). In Iraq, solar storms play havoc with communication. Christian Science Monitor, p. 15.
• Radio Frequency Wikipedia Foundation, Inc.
• The Science Behind the Monitors (Solar Center SID Site)

Schematics and Photos

PrePost Amp Schematic	SID Monitor Board Photo
Frequency Board Schematic	Frequency Board Photo
Power Supply	Outputs
More Photos

Antennas

• Building a SID Antenna
• List of Simple Antenna Parts
• Antenna examples - NEW!

Map of SID & AWESOME Sites

Requirements

Sounds

• Monitoring 25.2 KHz (NML)
  Note there is some sort of tone they are transmitting every 5 or 10 seconds.

Obtaining a SID Monitor

Data

• Access to Database
• About SID Data
• Understanding SID Data (pdf)

Acknowledgements

• DATAQ: Data Logger and Data Acquisition Products