As usual, Links become active when there is information available for the subject.
Propagation Websites: Solar Geomagnetic Weather
Microwaves:
Tropo Troposcatter Rain Scatter EME Aircraft Scatter
VHF-UHF:
Tropo Troposcatter Meteor Scatter Ionospheric Scatter
EME Aurora Sporadic E F2 TEP
Non-F2 DX Intercontinental propagation
HF:
Tropo Troposcatter Meteor Scatter Ionospheric Scatter
EME Sporadic E F2 TEP Grey Line Aurora SIDs
MF and lower:
F-Layer E-Layer D-layer Absorption Ground Wave
Solar Activity
Ionospheric layers
Meteors
Monitoring Propagation
Updated: OZ9QV 2019-07-20