RTCM Recognizes Kalafus for Lengthy DGNSS Standards Role

The Radio Technical Commission for Maritime Services (RTCM) has recognized Dr. Rudy Kalafus for his 25 years of service as Chairman of RTCM Special Committee 104 (SC104) on Differential Global Navigation Satellite System (DGNSS) Service.  

The Radio Technical Commission for Maritime Services (RTCM) has recognized Dr. Rudy Kalafus for his 25 years of service as Chairman of RTCM Special Committee 104 (SC104) on Differential Global Navigation Satellite System (DGNSS) Service.  

Under his leadership, RTCM’s series of DGNSS standards started with the U.S. Coast Guard’s Differential NAVSTAR GPS service for ship harbor entrance and approach navigation, and have grown into internationally used services not only for navigation, but also for precise positioning in surveying, geodesy, agriculture, and other applications.

Kalafus recently announced his retirement from the committee and was presented with a plaque recognizing his service at the September meeting of Special Committee 104.

Kalafus served as the chair of SC 104 since its inception in 1983.  A GPS pioneer, he worked at Trimble Navigation from 1988 until 2002, leading efforts to incorporate differential reference station and mobile capability in receivers, and developing airborne receivers. More recently, Kalafus has consulted with Trimble’s military and advanced systems group . 

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