Networking and RF tech. Installs, trains, and maintains mission-critical VHF, UHF, 700 MHz and 800 MHz trunked and conventional, analog and digital Land Mobile Radio (LMR) equipment and networks used by first responders and public safety agencies. Fully end-to-end IP-based P25 multicast and simulcast systems. Programming software-defined radios. Handheld, mobile, and base stations; IDS/IPS, encryption and security. Cisco routers and switches. Linux and Sun servers. I'm also KI7KVD on the short bands.