Dana A. Goward (@gpsbackup) 's Twitter Profile
Dana A. Goward

@gpsbackup

President, Resilient Navigation and Timing Foundation. Tweets about #navigation #government #gps #timesync

ID: 2990491132

linkhttp://rntfnd.org calendar_today21-01-2015 19:39:00

2,2K Tweet

1,1K Followers

38 Following