David Monks on Twitter: "Tetra Radio night @stjohnie Dundrum Division. For GPS location press "menu" & "3". Handy for @DWMRT when helicopter requests coordinates. https://t.co/2JuuodzQ5l" / Twitter
Cellular to LMR Interoperability - ESChat
Sepura STP8000
New Herbivorous Dinosaur Species Identified in Greenland | Sci-News.com