# Solar-terrestrial data Last update: 21 Jul 2026 1657 GMT ## Calculated HF Conditions 80m-40m (day): Fair 80m-40m (night): Good 30m-20m (day): Good 30m-20m (night): Good 17m-15m (day): Good 17m-15m (night): Good 12m-10m (day): Good 12m-10m (night): Good Solar-terrestrial data provided by N0NBH (hamqsl.com) => https://hamqsl.com/ https://hamqsl.com