When you say "hand track", you're not kidding. I was expecting something with motors controlled by a person, but this is literally picking up the dish and poin

When you say "hand track", you're not kidding. I was expecting something with motors controlled by a person, but this is literally picking up the dish and pointing it by muscle power. Back of envelope, a 1 meter parabolic antenna at 1.7 GHz gives about 12 degree beam width (FWHM), which is what makes this practical. Very clever.