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For control of aircraft at ranges precluding use of UHF and VHF radio,
HF radio frequencies were planned to be available in the Air Operations
Centar, The Eniwetok Air Operations Center was to be equipped with
twelve channels of UHF radio and two channels of HF radiog and, the Bikini
Air Operations Center was to be equipped with eight channels of UHF radio
and two channel. of HF radio. These channels, during shot and rehearsal
operations, were to be monitored continuously,
The Eniwetok Air Operations Center was to be equipped with the
AN/USQ.12 Air Operations Control System utilizing the AN/UPX~6 Mark 10
IFF Interrogator and seven UPA-35 Universal Indicators (controller consoles) for control and observation of aircraft positions and movements,
The IFF system (not radar), although providing range and azimuth, was to
includes no height finding capability. The equipment was known to obtain
positioning accuracies of plus or minus one-half mile in range and plus or
minus one degree in azimth,
For aircraft requiring more precise posi-
tioning, subordinate control facilities, such as MSQ and M-33 radars, were
to be available,
BARRYMORE in the Bikini area (aboard the USS Boxer) was scheduled to
utilize the AN/UPX-6 Mark 10 IFF Interrogator and three AN/SPA-8A radar
repeater indicatora (controller consoles) for airoraft control and obser.
vation.
The BARRYMORE IFF system, like that at Eniwetok, would furnish
range and azimuth information only and was to be used only for gross positioning.
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