D Region Absorption Predictions (D-RAP)

A Modeling Framework for Estimating Ionospheric HF Absorption Produced by Solar Flares - Chakraborty - 2021 - Radio Science - Wiley Online Library

A REVIEW OF ACTIVE AND PASSIVE OPTICAL METHODS IN HYDROGRAPHY - IHR

D-region Absorption Prediction (D-Rap) (credited to Space Weather monitor)

Crown copyright Met Office Transitioning space weather models to operations at the UK Met Office Suzy Bingham, David Jackson, Catherine Burnett and Mark. - ppt download

THREE MAJOR SOLAR FLARES: Are These To Blame For The Cellular Outages?, Weather Blog

Data-based optimization of a simple shortwave fadeout absorption model - ScienceDirect

A Modeling Framework for Estimating Ionospheric HF Absorption Produced by Solar Flares - Chakraborty - 2021 - Radio Science - Wiley Online Library

Elevated Solar Weather continues. Further Flare potential. Tuesday Earthquake update. 7/18/2023

SPARC - Solar Indices and Space Weather

D-region Absorption Prediction (D-Rap) (credited to Space Weather monitor)

Due to the activity of the Sun on Earth, a polar cap absorption event occurred

Solar observations at MRO

iPhone /iPad Shortwave Radio Propagation App

Statistical analysis of short-wave fadeout for extreme space weather event estimation, Earth, Planets and Space