Only the current version so far — new entries appear as the app ships updates.
Ham Clock is a tools app by Zoran with 50,000+ downloads (about 51K estimated). +57 installs in the last 7 days. Rated 4.5 from 238 ratings. Released Dec 19, 2015. Install growth, rank history, SDKs and ad networks.
From the store listing: “UTC and Local clock and Notes for HAM radio operators”