TB 43-0123
AN/ARN-103
JIN
AN/ARN-103( ) TACAN Navigation Set
DC at 62 watts.
Major components of the set are as
1. Brief Description: The AN/ARN-102(V) is a 126
follows:
channel airborne UHF receiver-transmitter TACAN se
operating in the frequency range of 1025 to 1150 MHz. It is
C-8968/ARN-103(V) .............
Navigational Control
used to: (1) determine the bearing (in degrees) of an aircraft
CV-2924(P)ARN-103(V) .......
Signal Data Converter
with respect to a surface beacon transponder and provide
MT-4411/ARN-103(V) ...........
Mounting
appropriate analog output signals to indicate bearing course
RT-1057/ARN- 103().............
Receiver-Transmitter
deviation, and to-from indications on the bearing distance-
heading and horizontal situation indicators in the aircraft: (2)
determine the slant range from an aircraft to a surface
NOTE
beacon transponder and provide appropriate analog output
signals to cause the distance in nautical miles to be
The AN/ARN-103 is used with a variety of
displayed on the bearing-distance-heading and horizontal
other components such as antennas,
situation indicators: (3) receive and detect coded
course and range indicators, etc. To
identification signals from the surface beacon transponder
operate as a complete system. Refer to
and decode and convert these signals into an audio Morse
applicable aircraft configuration sheets for
code signal for use by the pilot in determining beacon
details.
identity: (4) determine and display slant range to one aircraft
and transpond to as many as five aircraft. In this case,
2. Applicable Tools and Test Equipment:
each aircraft must be equipped with a TACAN navigational
See appendix B for nomenclature, NSN, etc.
set, and must be operating in the air-to-air mode (when
performing this function, the navigational set does not
Type No.
AVUM
AVIM
provide bearing or beacon identity information concerning
AN/ARM-156
X
the transponding beacon): (5) interface with an external
AN/USM-281A
X
digital computer which can automatically control TACAN
H-104/G
X
channel and mode of operation, and request and receiver
ID-387/ARN
X
TACAN digital range, bearing, and channel/mode date. The
ME-26D/U
X
AN/ARN-103 consists of two configurations which denote
TK-100/G
X
variations in the functions of the CV-2924 Converter In the
TK-101/G
X
AN/ARN-103(V)1 configuration, the converter has the
TK-105/G
X
capability to interface with an external computer in the
TS-3134/ARN-103
X
AN/ASN-86 Inertial navigation Set. In the AN/ARN-103(V)2
configuration, the converter will not interface with the
3. Applicable Publications:
AN/ASN-86. A reversible nameplate is installed on the CV
TM 11-5826-243-20
2924 converter to inform the user whether or not it will
TM 11-5826-243-20P
interface with the AN/ASN-86. Power input requirements
TM 11-5826-243-34
are 115 volts AC, 40 Hz, single phase at 375 watts, 26 volts
TM 11-5826-243-34P
II-B-12
