The ' Scanners' series of books have been consistent bestsellers being the UK's leading guides to receiving equipment employed by enthusiasts to monitor the short wave & VHF/UHF wavebands used by airfields maritime & rescue services & analogue & digital two-way private mobile radio systems. This new (seventh) edition covers the rapidly increasing trend towards digital two-way radio communications & the latest handheld & mobile/base scanners with some digital modes fitted. It has been fully re-written & updated to include the latest UK radio frequency listings & call signs for airports maritime & emergency services & other professional organisations. The book covers the latest shifts in the hobby towards digital & PC- & tablet-controlled radio technology & illustrates the very latest commercial radio scanning equipment & accessories. Included are details of an increasing number of 'apps' for smartphones specifically for radio data decoding including programs for digital scanner communications decoding for which a smartphone can be linked to an existing scanner radio to decode. Other innovations include TETRA as used by police ambulance fire & rescue services & DMR modes such as Mototrbo. It is predicted that by 2016 fifty per cent of two-way radio communication in the UK will use digital modes.