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Some Links:

RASA: https://vkradioamateurs.org/

https://www.wia.org.au/ Useful information for beginners

https://www.sws.bom.gov.au/ Space weather

https://eol.jsc.nasa.gov/ESRS/HDEV/ The international space station

https://www.rfcafe.com/miscellany/homepage-archive/2013/William-Hepburns-Worldwide-Tropo-Ducting-Forecasts.htm

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