radio wave propagation and solar eclipse william liles [email protected] 1 photo from nasa.gov
TRANSCRIPT
![Page 2: Radio Wave Propagation and Solar Eclipse William Liles lilesw@gmail.com 1 Photo from nasa.gov](https://reader036.vdocuments.mx/reader036/viewer/2022081603/56649f265503460f94c3ccc8/html5/thumbnails/2.jpg)
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Does a solar eclipse affect radio wave propagation?
If so, how? Why do we care?
http://space.rice.edu
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3Image from nasa.gov
![Page 4: Radio Wave Propagation and Solar Eclipse William Liles lilesw@gmail.com 1 Photo from nasa.gov](https://reader036.vdocuments.mx/reader036/viewer/2022081603/56649f265503460f94c3ccc8/html5/thumbnails/4.jpg)
4Image from ofcom.org.uk
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Image from http://apollo.lsc.vsc.edu
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How does a solar eclipse affect radio wave propagation below 500 kHz?
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WWVB Transmitter Colorado
60 kHz 24/7 US Government Time and Frequency Transmitter
Images from nist.gov
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How does a solar eclipse affect 60 kHz radio wave propagation?
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Need to receive and process spatially diverse signals before/during/after eclipse
Eclipse eventt = 0
Data collection Phase #1
Data collection Phase #2
Data collection Phase #3
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Requirements
InexpensiveEasy to obtain materialsEasy to build (12 year old and up)Easy to useCollects needed data (what data?)Structured for analysisWebsite with instructions
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System View
Antenna
ReceiverAnalog
AnalogTo Digital
ReceiverDigital
Processing Comms
LocationServices
Comms Backend Services
DataAnalysis
InsightsPublications
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Images from nist.gov
![Page 13: Radio Wave Propagation and Solar Eclipse William Liles lilesw@gmail.com 1 Photo from nasa.gov](https://reader036.vdocuments.mx/reader036/viewer/2022081603/56649f265503460f94c3ccc8/html5/thumbnails/13.jpg)
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Backend
Given data from collection site, how is that matched to ionosphere conditions (total eclipse, partial, none)?
What is the best way to show the effect across the US on a map?
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Useful sites
Official site for WWVBwww.nist.gov
Great site for VLF informationwww.vlf.it
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Collaborators
Dr. Jill Nelson George Mason Univ.Dr. Laura Lukes George Mason Univ.
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Questions