NOUS41 KWBC 131639



Technical Implementation Notice 13-40

National Weather Service Headquarters Washington DC

1140 AM EST Wed Nov 13 2013       


TO:       Subscribers:

          -Family of Services

          -NOAA Weather Wire Service

          -Emergency Managers Weather Information Network


          Other NWS Partners and Employees


FROM:     Neal DiPasquale   

          Director, Field Systems Operations Center

          Office of Operational Systems


SUBJECT:  Two NWS Upper Air Stations to Begin Use of the GPS

          Lockheed Martin LMS-6 Radiosonde with the Radiosonde

          Replacement Systems (RRS) in November 2013


Two NWS upper air sites are scheduled to transition from the GPS

Lockheed Martin Mark IIA radiosonde to the GPS Lockheed Martin

LMs-6 radiosonde on or about the dates listed below.


STATION NAME      WMO #      STN ID Implementation Date


Greensboro, NC    72317      KGSO       November 20, 2013

Blacksburg, VA    72318      KRNK       November 25, 2013


No missed observations are expected to occur during the

equipment transition. The WMO Radiosonde Identification Code for

the LMS-6 Radiosonde is 82.


If you have any questions regarding the change, contact:


Sterling Field Support Center  

Office of Operational Systems

National Weather Service Headquarters



Phone: 703-661-1293


NWS National Technical Implementation Notices are online at: