Your answer is going to be rondo.
<span>Message encoding includes selecting and organizing a message. Messade decoding includes interpreting a message. Sender is the person who sends the message (the e-mail). Channel is the way in which the sender and the receiver of the message communicate (note, conversation, e-mail). In our case it is e-mail.
</span><span>Sending a busy manager a long email represents a problem in the message decoder as an area of the communication process, because the manager is too busy and may be not able to read the message.</span>
Answer: Ground Antennas
Explanation:
Based on the scenario in the question, the type of station that Charlie's team manages is refered to as the ground antennas station.
This kind of station is typically used in communicating with spacecraft and is utilized for the tracking of GPS satellites in their orbits.