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Radio Astronomy
Magnetometers
Magnetometer 2
VLF Receivers
List of VLF Transmitters
Very Low Frequency Observations
Sudden Ionospheric Disturbances
OBO VLF Receivers for SID detection
Categorisation of Solar Flares
Muons
Counting Muons
Radio Astro Data
VLF2 Data
Magnetometer2 Data
Muon Data
McIntosh Classification of Sunspot Groups (Flowchart)
A simple flowchart to assist with classification of sunspots using the McIntosh system.
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