The six teenagers watched as the technicians installed a dish antenna with a 2.7-meter diameter on the mansion's backyard. Indeed, the size was huge for mere amateur radio enthusiasts, and it took three technicians three hours to set it up. Haoran told his friends a bit about the technical stuff while they listened with great interest.
"This is so exciting!" Dinh exclaimed. "I didn't know we could send a message to the moon."
"Actually, not really. What we do is bounce the message to the moon. Later, our message will be received by other stations on earth. We can start contacting Moon Bounce enthusiast community to discuss and work together," Haoran said. "When we send messages to the moon, the surface of the moon will reflect it back to earth, and other stations will catch the waves. Conversely, later we can also listen to messages bounced from the moon sent by other EME (Earth-Moon-Earth) stations."
"I can't wait," said Alex. "Do you know how to use it?"
