What must be posted at the location of a station being operated by telecommand on or within 50 kilometers of the Earth's surface?

Answer: D. All these choices are correct

A station operated by telecommand on or within 50 km of the Earth's surface must have posted a copy of the station license and labels with the name, address, and phone number of both the licensee and the control operator. All the listed items are required.

Tip: Telecommand station: post license and contact labels.

FCC rule reference: Part 97.213(d)