 All competitors operated "Field Day style" using portable electric generators.Also new in WRTC 2010, both operators were allowed to operate at the same time, interleaving contacts, as long as only one transmitted at a time, an operating style borrowed from the Russian Radiosport Team Championship (RRTC).Most participants used a triplexer or diplexer to enable the tri-band Yagi antenna to be shared by both transceivers at the same time without interference.