Simple guide to how solar activity affects radio operations
Solar source-to-impact routing into RF risk
Preferred, usable, watch and avoid lanes
Solar X-ray/radio user interpretation
Sunlit-path and impact geography
Immediate operator action summary
Route-specific HF band and fallback guidance
Ionosonde-derived global MUF support
WSPR/RBN activity confirmation
VHF/UHF verify-only versus operator promotion
Use, monitor, verify and avoid guidance
Operator action matrix
