NOUS41 KWBC 081615



Service Change Notice 17-66

National Weather Service Headquarters Silver Spring MD

1215 AM EDT Thu Jun 8 2017


To:       Subscribers:

          -NOAA Weather Wire Service

          -Emergency Managers Weather Information Network


          Other NWS Partners, Users and Employees


FROM:     Peggy Hoch

          Acting Branch Chief, Evaluation Branch

          Office of Observations, Surface and Upper Air Division


SUBJECT:  One NWS Upper Air Station to Use GPS Lockheed Martin

          LMS-6 403 MHz Radiosonde with the Lockheed Martin

          Groundstation (LMG) starting on or around

          June 29, 2017         


Between June 19, 2017, and July 5, 2017, the upper air site

listed below is scheduled to transition from the Radiosonde

Replacement System (RRS) to the Lockheed Martin Groundstation

(LMG) system and the Lockheed Martin LMS-6 GPS 403 MHz

radiosonde. This office will continue to use the new radiosonde

until further notice.



--------------       ----------    ----------

Davenport, IA        74455         KDVN


No missed observations are expected to occur during the

equipment transition.The WMO Radiosonde Identification Code for

the 403 MHz LMS-6 Radiosonde is 11.


If you have any questions regarding the change, contact:


Sterling Field Support Center 

Office of Operations/Surface and Upper Air Division/

Evaluations Branch

NOAA National Weather Service Headquarters


Phone: 703-661-1293


National Service Change Notices are online at: