This antenna array is used for EME. For those not familiar with that acronym, it means using the moon as a radio reflector to send signals back to earth: https:

This antenna array is used for EME. For those not familiar with that acronym, it means using the moon as a radio reflector to send signals back to earth: https://en.wikipedia.org/wiki/Earth%E2%80%93Moon%E2%80%93Earth_communication https://en.wikipedia.org/wiki/Earth%E2%80%93Moon%E2%80%93Ear...