The W5FC D-Star Stack has been back online with the Internet for a few months now and Icom American is hosting the 2016 D-Star QSO Party Sep 23-25, 2016. (Note The UTC times)  Why not check it out make a few contacts, submit a log and you could even win some nifty prizes from the contest.  Details on about the contest can be found on the Icom site of just click on this link.  Good Luck!