Hillwalkers and climbers will be able to legally carry Personal Locator Beacons (PLBs) from 12 January following a change in UK regulations. Previously the devices, which send out a distress signal identifying the user’s exact location when activated, could only be licensed for use on boats and planes. Some mountain rescuers have expressed concern following a potential rise in call outs from PLBs because the devices do not allow two way communication so there is no way for the rescue services to check whether the device has been activated in a genuine emergency and therefore allowing the call to be…