Doc. No.: 84145 Rev. L jotron.com Page 11 of 40
5 Product description
The Tron SART20 is a 9 GHz radar transponder in a sealed waterproof and
buoyant enclosure. It is water, oil and sunlight resistant. The Tron SART20 is
designed for easy operation and can withstand a drop of 20 meters into
water.
A radar transponder is a location device. The purpose of the Tron SART20 is
to assist a seafarer in distress during a search and rescue operation.
When the Tron SART20 is interrogated by a radar signal, it will immediately
start to transmit several sweeps covering the complete maritime 3cm radar
band. The sweeps are used to navigate directly towards the Tron SART20
which is located on a lifeboat/liferaft.
A radar transponder should respond when interrogated by a shipborne X-
band radar with a scanner height of 15m within 8nm. The Tron SART20 will
also respond when interrogated by a compatible X-band radar fitted to an
aircraft operating at a height og 3000 feet at a distance of at least 30nm.
Tron SART20 includes the following components:
• Tron SART20 unit
• Mounting rope for liftboat/liferaft
• Wall bracket
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