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Brown said the time demands for providing support to HRD - which provides rig control, antenna control, digital modes, logging and satellite operations - have gotten to be too much for him to handle on his own and that "it's necessary to take a break and hand the whole project over to another team." Gawtry, Ruhl and Carper say they plan to continue improving the HRD suite. Their first upgrade, version 5.1, will be offered at no charge to currently-registered HRD users when it is completed.