News By: Don Jewell

From September 7 to September 11, Air Force Space Command (AFSPC) will conduct what I like to call a "Tim the Tool Man Taylor" more-power exercise, which they have chosen to more appropriately call a Flex-Power Space and Control Segment Integration Checkout. No one really expects any problems to...More>>

News By: Alan Cameron

The U.S. Department of Defense has totally revamped the USAF portion of National Security Space. A communiqué on this subject has appeared, signed by the Under Secretary for the Air Force, although the changes it puts in place are of an order of importance that certainly indicates decisions taken...More>>

News By: Richard B. Langley

GPS satellite SVN62 (PRN25) was set healthy today (27 August) at 04:10 UTC. The satellite, the first of 12 Block IIFs, was launched on 28 May 2010 and went through a three-month evaluation and commissioning period. More>>

Article By: Don Jewell

I like doing interviews, and obviously GPS World Defense PNT readers like them as well because I receive the most mail after an interview. Following my May 2010 interview with General C. Robert (Bob) Kehler (USAF), the commander of Air Force Space Command, it took me weeks (I am still receiving...More>>

Article By: GPS World Staff

Few outside the position, navigation, and timing (PNT) community will also recall that the day before the 9/11 attacks, the U.S. government released a landmark document that described the vulnerabilities of services provided by GPS to disruption, whether by attack or inadvertent interference. The...More>>

Article By: Don Jewell

Defense editor Don Jewell is a retired Air Force officer who served for 30 years; many of his former peers and contemporaries are currently senior officers in today’s U.S. Air Force. Don sat down recently with General C. Robert Kehler, Commander of the U.S. Air Force Space Command, whom he has...More>>

The M1516HCT helical GPS/GLONASS antenna is a low-profile professional-grade antenna covering the GPS L1, GLONASS L1 frequency band. This passive antenna is designed for precision handhelds, industrial, agricultural, government, and military applications and offers excellent gain performance, axial...More>>