3 ms·
When you're going straight up you don't have to deal with obstructions and the curvature of the earth. For OP if you want to see it in action there are plenty
by kkielhofner 4y ago
When you're going straight up you don't have to deal with obstructions and the curvature of the earth.
For OP if you want to see it in action there are plenty of YouTube videos[0] of amateur radio operators with an HT (walkie-talkie) contacting astronauts on the ISS - which is 254 miles up.
https://www.youtube.com/shorts/3cZe-UASAHs https://www.youtube.com/shorts/3cZe-UASAHs