Section II. DESCRIPTION AND DATA - TM-11-5826-257-240009

TM 11-5826-257-24

DESCRIPTION AND DATA

Section Il.

esses 75-MHz marker beacon signals modulated

1-8. Description

with one of the three audiofrequencies (400 Hz,

a. Receiver. The R1963/ARN is a one piece

1300 Hz and 3000 Hz) and converts them into an

remotely located and controlled combination 40

output that drives a single marker beacon light

channel glideslope/marker beacon receiver. The

system with a total lamp load range from 40 to

receiver is used in conjunction with Radio Receiv-

200 milliamperes, 28 vdc.

ing Set AN/ARN-82 to provide a complete instru-

ment landing system.

b. Glideslope Receiver Section. The glideslope

d. Mount. The mount (fig. 1-3) is a lightweight

(GS) receiver section receives and processes glide-

mounting frame designed to provide vibration

slope signals over the frequency range of 329.15

isolation to the receiver through the use of four

to 335.00 MHz, 40 channels, with a channel spac-

vibration isolators. The mount provides for re-

ing of 150 kHz. The glideslope receiver section

mote-located mounting and contains a holddown

provides the outputs for the operation of Course

clamp to secure the receiver into place in the

Deviation Indicator ID1347C/ARN or equivalent.

mount. Flexible metal ground straps across each

of the resilient absorbers provide electrical ground

c. Marker Beacon Receiver Section. The marker

to the airframe.

beacon (MB) receiver section receives and proc-

Figure 1-3. Electrical equipment mounting base MT-4835/ARN.

1-3