Also used in (cubesat) satellite communication. More than 1000 km is common. See for example what has been received by this ground station today: https://tinygs

Also used in (cubesat) satellite communication. More than 1000 km is common. See for example what has been received by this ground station today: https://tinygs.com/station/Pegasus@5256664939 https://tinygs.com/station/Pegasus@5256664939