Yeh ,the new Star trek locators will pick up your fred up to 16feet (with a tail wind ,rider naked ,lying flat on the tank ) ,but... Being diplomatic I would say that if you have an old grey box locator that works and you know how to use it don't bother bother buying a "Mk111 Hi Viz,all-singin,take me to your leader, where the *** is my ferret?,2 foot down ,no 4ft down ...all dancin,If you have epilepsy do not look into the lights, will it still work in 25 years time like the old type?, etc "Locator ..
A lot of people ,including me, are using the old type of grey box locator with