Oct 13 2016 Third meeting of Informal Working Group Four (IWG-4) Regulatory Issues 10:00 am - 2:00 pm EDT Teleconference Phone Bridge: 18667401260 Pass Code: 4285893. Documents submitted to IWG-4 Contact Chip Fleming 202-418-1247 Sankar Persaud 202-418-2441 Larry Olson 202-418-2142 Allen Yang 202-418-0738 Tags: International Treaty Spectrum Allocation