Report on the TETRA (Airwave) Communication System: Barrie Trower (pdf), June, 2009 Posted onNovember 9, 2021October 6, 2020AuthorEric Karlstrom Report on the TETRA (Airwave) Communication System: Barrie Trower (pdf), June, 2009 http://d1343868-52946.blacknighthosting.com/images/barrietrower/Barrie%20Trower%20%20-%20Tetra%20June%202009.pdf
