3400-3410 MHz is allocated to the Amateur Satellite Service in ITU Regions 2 and 3. It is used by amateurs in many countries around the world for weak signal communications including moon bounce (EME).
The ACMA consultation closes on April 24.
The WIA announcement is at http://www.wia.org.au/newsevents/news/2015/20150314-2/
UK Microwave Group 3400 MHz page http://www.microwavers.org/3400mhz.htm