From Army Signal Corp school publication 11-154-2 dated 1972
courtesy of Curt Law.

Tower AB-216/U, Reference:  TM-11-5073
General information:  The AB-216/U is a sectionalized
and guyed rectangular tower, designed for quick
assembly and disassembly.  It is used to support
transmitting and receiving antennas and related equipment.
The AB-216/U includes guys, guy anchors, ground rods,
light supports, antenna supports (antennas not included),
tools and accessories required for the installation of
the tower, and associated equipment.  A 204-foot tower
will support 4 parabolic dish antennas, and can be used
for other vhf or microwave antennas.  A properly balanced
tower will withstand 100 mph winds.  The tower can also
be used with other types of vhf or microwave antennas.

Technical characteristics:
Height: 78 to 204 feet in 6 ft increments (300 ft using
     two towers side by side and cross-braced).
Maximum compression load:  48,000 lbs.
Mounting:  four tower support base plates, AB-206/U
Sections:  tower section AB-208/U (1 folding section).
    tower section AB-207/U (12 to 33 folding
    sections).
Guys:  16 to 36 guys made of nylon-jacketed steel-wire
       rope.
Anchors:  8 to 16 (main and back) screw or plate anchors.

Note:  Basic tower AB-216/U is 78 feet high.  For
additional heights, tower section sets, accessory kits,
and guy kits must be requisitioned.  Daylight marking
(orange and white tower sections). Night obstruction
marking -- number and type of warning lights and beacons
for indication of obstruction to aircraft depend on
tower height and must be requisitioned.