Compiled by G0KYA, G3YLA and G4BAO on 20 August, 2026 Last week was characterised by geomagnetic disturbances, due to high-speed solar wind streams from coronal holes and a slightly increasing solar flux index. The Kp index hit 5 on 18-19 August reducing maximum useable frequencies, or MUFs, and generally being detrimental to HF propagation. We also […]