Radar waves with wavelengths between 2 and 60 meters (frequencies of 5, 15, and 150 MHz) were transmitted through a series of antennas near the back of the Apollo Service Module.
Gelombang radar dengan panjang gelombang antara 2 dan 60 meter (frekuensi dari 5, 15, dan 150 MHz) yang ditularkan melalui serangkaian antena dekat bagian belakang Apollo Service Module.