> 300km is beyond the curvature of the earth by a significant margin -- I wonder how it works... 70cm is similar(ish) to 2 meter (which can propagate even over

> 300km is beyond the curvature of the earth by a significant margin -- I wonder how it works... 70cm is similar(ish) to 2 meter (which can propagate even over oceans): https://en.wikipedia.org/wiki/2-meter_band#Communications_beyond_50_miles https://en.wikipedia.org/wiki/2-meter_band#Communications_be...