Observation Post Equipment

In addition to binoculars and compasses used by the forward observer and his party in the execution of their duties, the observation post also possesses two other aids to assist in the detection and engagement of targets. They are a Night Observation Device (NOD) and a Laser Range Finder (LRF).

NOD

NOD works on amplifying the natural light available at night, allowing the user to see clearly to approximately 1500 m and with measured clarity, to 3000 m.

The equipment currently on issue to the RNZA is the NOD A. This equipment, including a method of obtaining a direction to the target, weighs 35 kg. The weight makes the equipment difficult to use in mobile operations where a vehicle is not able to carry it. It is scheduled to be replaced by a lighter version of similar capabilities.

Laser Range Finder

The RNZA is currently equipped with the LP7 Simrad Laser Range Finder. The LP7 is manufactured by Simrad Optronics A/S in Norway. It is a handheld unit intended for use by infantry and forward observers, with the size and weight of a 7x50 binocular. The equipment has the following characteristics:

a. weight excluding battery - 2 kg;

b. minimum range - 150 m; and

c. maximum range - 9995 m.

d. telescope magnification - 7x

e. operating temperature - -30 deg C to +55 deg C

The LP7 can also be used with accessories such as a lightweight tripod and a stand called HASE (Head Angular sighting Equipment) which provides a bearing and vertical angle to the target as well as the range.

SG12F Digital Goniometer

The SG12 F is a compact, tripod mounted electro-optical survey instrument to be used by OP and FO parties. It measures bearing, A/S and distance. The built in Digital Magnetic Compass with tilt sensors determines magnetic north for autonomous orientation to 3 mils PE. Once oriented the SG12F measures horizontal directions by an encoder (+/- 1 mil) therefore the angles are not subject to magnetic variations.

The software menus allow operators to accurately determine target co-ordinates as well as target grid corrections and polar co-ordinates. There are additional functions which provide target record facilities, target viewing and point identification. The software was re-engineered by

New Zealand gunners for New Zealand operating procedures, and has resulted in the SG12F becoming a very marketable worldwide defence product. It is fitted with a Thermal Imager, GPS and Laser Range Finder (intended to be the LE7 eye-safe version) making the system a comprehensive state of the art observation device.

LITE IDCA Thermal Imager

The LITE is a compact, passive infra-red imaging system operating in the 8-12 micron waveband. The infra-red scene is converted to a visible image and displayed either using red light emitting diodes or indirectly using a monitor or micromonitor. The imager may be used either hand held or tripod mounted or used in conjunction with other equipment. It operates in both day and night conditions and has a greater penetration through smoke, haze, mist and most forms of camouflage than visible light observation systems.