Apollo High Gain Antenna

An engineering unit of an Apollo Unified S-Band high gain antenna.

Additional information can be found in the Apollo Experience Report: S-Band System Signal Design and Analysis. USB was used on both the LM and the CSM; information about the CSM USB system begins on page 8 of the document (p. 16 in the PDF). From the description on page 10 (p. 18 in the PDF): "The high-gain antenna consists of an 11-inch-diagonal wide-beam horn flanked by an array of four 31-inch-diameter parabolic reflectors."

I've got a page regarding the two different types of CSM USB antennas I've seen.

Stafford hangs their antenna from the ceiling via a wire. With the air conditioning running, it swings in the breeze a bit. So, some of the pictures are not as sharp as they may have been if the antenna had been more permanently mounted.