Introduction to radio - WebSDR part1

I show you how to access radio reception from all over the world and even from outer space (well orbital satellites anyway) for FREE. Web SDRs are available to use for free via the internet.
WebSDR - http://websdr.org/
Hack Green SDR (HF) - http://hackgreensdr.org:8901/
Hack Green SDR VHF/UHF - http://hackgreensdr.org:8902/
Jodrell Bank SDR (HF) - http://81.174.147.103:8901/
Jodrell BankSDR (VHF/UHF) - http://81.174.147.103:8902/
QRZ.com callsign lookup - https://www.qrz.com/
RSGB band plans (UK only) - https://rsgb.org/main/operating/band-plans/