GPS signal lost! – about GPS jamming

Dependence on GPS / GNSS positioning is one of the most frequently raised accusations regarding the safe use of unmanned vessels at sea. In case of l

Drawing with RTK

The most spectacular show of RTK positioning? Of course drawing! RTK antenna in a (slight) movement We put our small but powerful RTK kit to

The heart of any sonar is the transducer - the part that converts the electrical signal into an acoustic wave. Generated signal, reflected from the b