in short digital messages and transmitted to a receiver by the sensor's internal very high frequency (VHF)
transmitter. The sensor communicates directly with the receiver or through radio repeaters. Messages at the
receiver are demodulated, decoded, temporarily displayed, and permanently recorded on a time-phase sensor
activities record.
The REMBASS can detect, identify, and classify targets. The classifying sensor can detect moving vehicular
targets and personnel. The sensors and repeaters can transmit target data, LOS, from ground element to ground
element. Both can transmit target data ground-to-air as long as LOS is maintained.
REMBASS can be used for alerting and focusing other reconnaissance and surveillance assets. It can also serve
as the primary surveillance means when the air environment is nonpermissive or when GSRs cannot operate.
REMBASS Employment
While the basic REMBASS role is surveillance, it is frequently used for target acquisition, security, and early
warning. It may be used in offensive and defensive operations.
These roles tend to overlap when the sensors are covered by artillery fires. In an unconventional warfare
situation, REMBASS has been gainfully employed along trails, trail junctions, in staging areas, at cache sites,
rocket and mortar launch sites, base camps, and along borders for surveillance, denial, pacification, and economy
of force missions.
In a mid-intensity role, REMBASS can be used to provide flank, rear area, and critical installation security, monitor
objective areas, fill gaps between units, locate enemy main and reserve forces, and protect communication lines.
They may be effectively employed in penetration, pursuit, river crossings and line defense, airmobile assaults (LZ
surveillance and zone security), envelopment, linkup operations, and in mobile and area defense. In advance
planning, one should consider REMBASS employment for effective use in stay behind surveillance roles during
retrograde operations, or during withdrawal operations to monitor enemy advance and deployment.
Sensor Configurations. The sensor gate is a random pattern throughout a suspected enemy activity area, or
movement to gather information where the activity or movement is taking place. Because sensors are deployed
at random, it is likely the information will not be sufficient to initiate combat action.
A sensor string is placed on, or adjacent and parallel to, anticipated or suspected enemy movement routes. Any
route movement will activate two or more sensors. A properly emplaced sensor string is capable of providing
definite information about direction, type, approximate strength, and
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