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Weihe, Vernon I. “World-Wide Coverage Radio Navigation for Aviation and Marine Services Using Land Based Facilities in the I.T.U. [100 KC-S] Band.” Navigation (US) 2, no. 7 (1950).

Pierce, J. A. “The Navigational Uses of Low Radio Frequencies.” Navigation (US) 3 (Dec 1952): 198–204.

Jenks, George. “‘Pointillism’ as a Cartographic Technique.” The Professional Geographer 5 (Sept 1953): 4–6.

R.C.T.A. specification. Decca Navigator News 11 (July 1954).

Guier, William H. and George C. Weiffenbach. “Theoretical Analysis of Doppler Radio Signals from Earth Satellites.” Nature 181 (31 May 1958): 1525–1526.

Moody, Alton B. “Use of Satellites for Navigation.” Navigation (US) 6 (Summer 1958): 95–101.

Casselman, C. J., D. P. Heritage, and M. L. Tibbals. “VLF Propagation Measurements for the Radux-Omega Navigation System.” Proceedings of the IRE (May 1959): 829–839.

United StatesHouse Select Committee on Astronautics and Space Exploration. The Next Ten Years in Space, 1959–1969 (Washington, USGPO, 1959).


“Transit Proves System.” The Science News-Letter 77 (11 Jun 1960): 375.

Smith, F. G. “A New Navigation System Using Artificial Earth Satellites.” Journal of the Institute of Navigation (UK) 13 (Jan 1960).

Ramo-Woolridge. AN/UYK-1: A Multiple Purpose Digital Computer, 21 Apr 1961.

Thomas, Paul D. “From Landmarks to Satellites.” The Military Engineer, no. 355 (Sept–Oct 1961): 337–340.

Freiesleben, H. C. “Navigational Aid from Other Satellites.” Journal of the Institute of Navigation (UK) 15 (Apr 1962): 149–154.

Kershner, R. B. and R. R. Newton. “The Transit System.” Journal of the Institute of Navigation (UK) 15 (Apr 1962): 129–144.

Keats, E. S. “A Navigation System Using Distance and Direction Measurements from a Satellite.” Navigation (US) 11 (Autumn 1964): 335–341.

Erlich, Eugene. “Current Developments in Navigation Satellites.” Navigation (US) 12 (Winter 1965–1966).

Moody, Alton ‘B.’ “The Role of Satellites in Aircraft Navigation.” Journal of the Institute of Navigation (UK) 18 (Oct 1965): 507–510.

Morgan, Robert R. and Eugene L. Maxwell. “Omega Navigational System Conductivity Map.” ONR Report No. 54-F-1, Dec 1965. Available from

Bohannon, R. R. “An International Airline Views Navigation Satellites.” Navigation (US) 13 (Spring 1966): 23–28.

Casserly, G. W. and L. D. Filkins. “The Potential Use of Satellites in Hyperbolic Position Finding.” Navigation (US) 13 (Winter 1966–1667): 353–366.

Enge, Francis. J. “An OMEGA Receiver Navigation Set for High Performance Aircraft.” Navigation (US) 13 (Winter 1966–1967).

Enzensperger, James T. “The Views of Ship Operating Companies on Navigational Satellites.” Navigation (US) 13 (Spring 1966).

Laughlin, Charles, Gay Hilton, Roger Hollenbaugh, and Richard Lavigne. “Description of Experimental Omega Position Location Equipment (OPLE).” Goddard Space Flight Center report, Jan 1966. Available from

Philco Corporation. “Fan Beam Navigation Satellite Study.” WDL Technical Report 2962, 13 July 1966. Available from

Sheftel, David J. “Some Considerations in Determining the Role of Satellites in Air Navigation.” Navigation (US) 13 (Summer 1966).

“‘Dioscures’ pour le contrôle (tactique) des avions sur l’Atlantique Nord.” Air et Cosmos, 25 Nov 1967.

Anderson, Roy E. “Satellite Navigation and Communication for Merchant Ships.” Navigation (US) 14 (Summer 1967): 127–141.

Husson, J. C. and A. Banchereau. “Les satellites géodésiques français Diadème I et II: contribution de l’expérience à la navigation par satellites.” Centre National d’Études Spatiales (France), Report No. 1151-PR/PS, Sep 1967. Available from

Laughlin, Charles, Gay Hilton, and Richard Lavigne. “OPLE Experiment.” Goddard Space Flight Center report, June 1967. Available from

Morita, Y., F. Zwas, and D. Colling. “Satellite Navigation Studies: Sixth Quarterly Progress Report.” Aug 1967. Available from

Otten, David D. “Study of a Navigation and Traffic Control Technique Employing Satellites. Volume 1: Summary” Dec 1967. Available from

Spencer, Donald F. “Navigation Satellites.” Navigation (US) 14 (Winter 1967–1968).

Spicer, Benny R. “Study of Aircraft Position Fixing Using the Navy Navigational Satellite System.” MS thesis, MIT, 1967. Available from

Trichet, Jean-Claude. “‘Dioscures’ satellites jumeaux proposés par le CNES et le SGAC pour la navigation aérienne.” Air et Cosmos, 2 Dec 1967, 16–17.

“Hyperbolic World-Wide.” Flight International, 11 July 1968, 65–66.

Keane, L. M. “Recent Progress in Navigation Satellites.” Navigation (US) 15 (Winter 1968–1969): 415–423.

RCA. “Navigation|Traffic Control Satellite Mission Study.” Dec 1968. Available from

Stansell, Thomas A., Jr. “The Navy Navigation Satellite System: Description and Status.” Navigation (US) 15 (Fall 1968): 229–243.

Chernof, Joseph. “Application of Satellite Navigation Techniques to Marine and Air Navigation.” Navigation (US) 16 (Summer 1969): 133–140.

Cutting, John E. “Simple General Purpose Marine Navigation Using Navigation Satellite Data.” Navigation (US) 18 (Summer 1969).

Gallagher, Edward F. “Expanded Application of Navy Navigation Satellite System in Marine and Air Navigation.” Navigation (US) 16 (Spring 1969): 56–60.

National Research Council, Panel 11 of the Summer Study on Space Applications. Useful Applications of Earth-Oriented Satellites, Vol 11: Navigation and Traffic Control (Washington, National Academy of Sciences, 1969).


Fiore, Alfred E. and Paul Rosenberg. “Earth Satellite Systems for Marine and Transoceanic Air Navigation and Traffic Control.” Navigation (US) 17 (Fall 1970): 234–245.

Keane, Leo M. et al. “Global Navigation and Traffic Control Using Satellites.” NASA Technical Report R-342, July 1970. Available from

Warwick, W. E. “The System Aboard Queen Elizabeth II.” Journal of the Institute of Navigation (UK) 23 (Oct 1970).

Hoover, W. M. “ATS-1/ATS-3 Dual Satellite Navigation Study.” Jan 1971. Report for NASA by Texas Instruments. Available at

Stansell, Thomas A., Jr. “Transit, the Navy Navigation Satellite System.” Navigation (US) 18 (Spring 1971).

United States Naval Research Laboratory. “Timation Development Plan.” NRL Report 7227, 2 March 1971. Available from

Winter, Herbert. “Optimal and Suboptimal Methods of Satellite Surveillance for Traffic Control of Transoceanic Flights.” Navigation (US) 18 (Winter 1971–1972).

Asche, G. P. “Implementation Status of the Omega Navigation System.” Navigation (US) 19 (Summer 1972).

Buisson, J. A. and T. B. McCaskill. “Timation Navigation Satellite System Constellation Study.” NRL Report 7389, 27 June 1972. Available from

McDonald, Keith D. “A Survey of Satellite-Based Systems for Navigation, Position Surveillance, Traffic Control, and Collision Avoidance.” Navigation (US) 20 (Winter 1973–1974).

Parker, R. N. “Radio Navigation Activities Within the Department of Defense.” Navigation (US) 21 (Summer 1974 [orig. Nov 1973]).

Rachet, G. B. and J. L. Pieplu. “EOLE: Performances ultimes du système de localisation de balises fixes: synthèse des résultats.” Centre Spatial de Bretigny, Division Mathématiques & Traitement, Departement Calcul d’Orbites, Report GB/73.364/CB/MT/OB, 1973. Available from

Elrod, Bryant D. “Aircraft Interrogation Scheduling With ASTRO-DABS.” IEEE Transactions on Aerospace and Electronic Systems AES-10, no. 5 (Sept 1974): 595–604.

Swanson, E. R., D. J. Adrian, and P. H. Levine. “Differential Omega Navigation for the U.S. Coastal Confluence Region.” Navigation (US) 21 (Fall 1974): 264–271.

Cheilek, H. A. and W. R. Seymour. Impact of Navstar Global Positioning System on Military Plans for Navigation and Position Fixing Systems. WSEG Report 289. Arlington, VA: Institute for Defense Analyses, Oct 1975. Available from

Hollister, W. M. and S. M. Dodge. “An Evaluation of Differential Omega for General Aviation Area Navigation.” Navigation (US) 22 (Fall 1975): 259–273.

Miller, H. G. “Differential Omega in the Domestic Air Traffic Control Environment.” Navigation (US) 22 (Summer 1975): 165–172.

Valéry, Nicholas. “Space Business Bridges the Atlantic.” New Scientist 68 (23 Oct 1975).

Heindl, F. James. “Study of the Impact of the Global Positioning System on Army Survey.” DBA Systems, Inc. report ETL-0070, Sept 1976 (available from

“Aerosat Postponed Again.” Flight International, 28 May 1977, 1507.

“FAA ‘Can’t Afford Aerosat,’” Flight International, 1 Oct 1977, 969.

“Navigation Satellite Carries Atomic Clock.” Science News 112 (2 Jul 1977):6.

“Department of Transportation National Plan for Navigation Executive Summary.” Wild Goose Association Radionavigation Journal (1978).

“RCA to Build New USN Navsat.” Flight International, 1 Apr 1978, 939.

“Third NavStar Prototype Launched.” Flight International, 4 Nov 1978, 1689.

Gopalapillai, G. S., G. T. Ruck, and A. G. Mourad. “Satellite Interferometer as an Advanced Navigation/Communication System.” Navigation (US) 25 (Winter 1978–1979): 405–418.

Hirst, Mike. “Airborne Navigation Systems.” Flight International, 14 Jan 1978, 113.

Parkinson, B. W. “Overview.” Navigation (US) 25 (Summer 1978).

Stansell, T. A., Jr. “Civil Marine Applications of the Global Positioning System.” Navigation (US) 25 (Summer 1978): 224–235.

Stansell, T. A., Jr. “The Many Faces of Transit.” Navigation (US) 25 (Spring 1978): 55–70.

Vass, E. R. “OMEGA Navigation System: Present Status and Plans 1977–1980.” Navigation (US) 25 (Spring 1978).

“Decca Wins $40 Million in Court.” Flight International, 21 Apr 1979, 1222.

“Nato Studies Navstar GPS.” Flight International, 29 Sept 1979, 1034.

“Satellites to Guide Air Traffic Backed.” New York Times, 2 Apr 1979.

Morgan, J. G. “The Role of Navigation Satellites in Oil Exploration.” Navigation (US) 26 (Spring 1979): 37–43.


Campbell, L. W., T. M. Servaes, and E. R. Grassler. “North Atlantic Omega Navigation System Validation.” Report to US Department of Transportation, 21 Jul 1980. Available from

Fales, Dan. “Use of Satellite Navigation Gains.” New York Times, 13 Jan 1980.

Gauchet, Marcel and Gladys Swain. Madness and Democracy: The Modern Psychiatric Universe, trans. Catherine Porter (Princeton: Princeton University Press, 1999 [orig. 1980]).

Jorgensen, P. S. “Navstar / Global Positioning System 18-Satellite Constellations.” Navigation (US) 27 (Summer 1980): 89–100.

Leppard, N. A. G. “Satellite Doppler Fixation and International Boundaries.” Philosophical Transactions of the Royal Society of London, Series A 294 (14 Jan 1980).

Wood, C. D. and G. E. Perry. “The Russian Satellite Navigation System.” Philosophical Transactions of the Royal Society of London, Series A 294, no. 1410 (14 Jan 1980): 307–315.

Hogle, Larry, Kelly Markin, and Jerry W. Bradley. “Navigation Systems Performance Versus Civil Aviation Requirements.” Proceedings of the IEEE 71 (Oct 1983).

Marshall, Eliot. “Steering Clear of Sakhalin.” Science 222, no. 4621 (21 Oct 1983): 303–304.

Parkinson Bradford W. and Stephen W. Gilbert, “NAVSTAR: Global Positioning System – Ten Years Later.” Proceedings of the IEEE 71 (Oct 1983).

Shaw, A. and R. Rolland. “Marine Application of the ARGOS System.” In Proceedings OCEANS ’83 (Piscataway, NJ: IEEE, 1983): 262–265.

Stansell, Thomas A., Jr. “Civil GPS From a Future Perspective.” Proceedings of the IEEE 71 (Oct 1983).

Swanson, Eric R. “Omega.” Proceedings of the IEEE 71 (Oct 1983): 1140–1155.

United States Defense Mapping Agency. Geodesy for the Layman, 5th ed.Washington: DMA, 1983).

Witkin, Richard. “F.A.A. Chief Says Jet Was Beyond U.S. Radar.” New York Times, 19 Sept 1983.

Euler, H. and G. Hoefgen. “Granas, a New Satellite-based Navigation System.” Journal of the Institute of Navigation (UK) 37 (Sept 1984): 354–359.

Ramsey, W. E. and J. R. Page. “Navigation Satellites: Their Future Potential.” Philosophical Transactions of the Royal Society of London, Series A 312 (26 Jul 1984): 67–73.

Buckley, William F., Jr. “Precision Sailing.” New York Times Magazine, 19 May 1985.

Kerr, Richard A. “New Technology Aids Geophysicists.” Science 227, no. 4687 (8 Feb 1985): 619–620.

Beard, R. L., J. Murray, and J. D. White. “GPS Clock Technology and the Navy PTTI Programs at the U.S. Naval Research Laboratory.” In Proceedings of the Eighteenth Annual Precise Time and Time Interval (PTTI) Applications and Planning Meeting (1986).

Browne, Malcolm W. “Worldwide Satellite Network Promises Great Accuracy in Navigation.” New York Times, 8 Nov 1988.

Ezell, Linda Neuman. NASA Historical Data Book, Volume II: Programs and Projects 1958–1969 (Washington: NASA, 1988).

Klepczynski, W. J. and L. G. Charron. “The Civil GPS Service.” In Proceedings of the Twentieth Annual Precise Time and Time Interval (PTTI) Applications and Planning Meeting, Vienna, VA, 29 Nov – 1 Dec 1988. Available from

Lowenstein, George, John Phanos, and Edward Rish. “Sole Means Navigation in U.S. Navy Aircraft.” IEEE AES Magazine (August 1988).

Pierce, John Alvin. “Memoirs of John Alvin Pierce” (two parts), Navigation (US) 36 (1989): 1–8, 147–155.

Prescott, William H., James L. Davis, and Jerry L. Svarc. “Global Positioning System Measurements for Crustal Deformation: Precision and Accuracy.” Science 244, no. 4910 (16 Jun 1989): 1337–1340.


Drezner, Jeffrey A. and Giles K. Smith. An Analysis of Weapon System Acquisition Schedules (Santa Monica: RAND, 1990).

Lloret, P. “Inertial + Total Station + GPS for High Productivity Surveying.” In Proceedings of IEEE Position Location and Navigation Symposium (PLANS 1990).

Kiernan, Vincent. “Guidance from Above in the Gulf War.” Science 251, no. 4997 (1 Mar 1991): 1012–1014.

Pollack, Andrew. “In U.S. Technology, a Gap Between Arms and VCRs.” New York Times, 4 Mar 1991.

Pollack, Andrew. “War Spurs Navigation by Satellite.” New York Times, 6 Feb 1991.

“What the Russians Learned from the Gulf War.” Aviation Week & Space Technology 137 (5 Oct 1992).

Wells, Wendlynn, David E. Wells, and Alfred Kleusberg. Global Positioning System Bibliography, Dredging Research Report DRP-92-2. Washington: US Army Corps of Engineers, 1992. Available at

Abler, Ronald F. “Everything in Its Place: GPS, GIS, and Geography in the 1990s.” The Professional Geographer 45 (May 1993).

International Civil Aviation Organization. “Global Implementation Plan for Satellite-Based Air Traffic Management Completed.” News Release, PIO 11/93, Oct 1993. Available at

Kurgan, Laura. “You Are Here: Information Drift.” Assemblage 25 (Dec 1994)

Morris Peter B. et al. Omega Navigation System Course Book, Vol. 1. Alexandria: US Department of Transportation, 1994. Available from

Parkinson, Bradford W. “Introduction and Heritage of NAVSTAR, the Global Positioning System.” In Global Positioning System: Theory and Applications, vol. 1, ed. Bradford W. Parkinson and James J. Spilker, Jr. (Washington, DC: American Institute of Aeronautics and Astronautics, 1996 [orig. 1994]).

Pickles, John, ed. Ground Truth: The Social Implications of Geographic Information Systems. New York: Guilford, 1994.

Rip, Michael Russel and David P. Lusch. “The Precision Revolution: The Navstar Global Positioning System in the Second Gulf War.” Intelligence and National Security 9 (April 1994): 167–241.

Stoffle, Richard W., David B. Halmo, Thomas W. Wagner, and Joseph J. Luczkovich. “Reefs from Space: Satellite Imagery, Marine Ecology, and Ethnography in the Dominican Republic.” Human Ecology 22 (Sept 1994).

Epstein, Jonathan M. “Global Positioning System (GPS): Defining the Legal Issues of its Expanding Civil Use.” Journal of Air Law and Commerce 61 (1995).

Harker, Patrick T. “Services and Technology: Reengineering the Railroads.” Interfaces 25 (May–Jun 1995): 72–80.

Pace, Scott et al. The Global Positioning System: Assessing National Policies (Santa Monica: RAND, 1995).

Parkinson, Bradford W., Thomas Stansell, Ronald Beard, and Konstantine Gromov. “A History of Satellite Navigation.” Navigation (US) 42, no. 1 (1995).

Clinton, Bill. Presidential Decision Directive NSTC-6, 28 March 1996. Available at

United States Naval Observatory. “Block I Satellite Information.” 12 Apr 1996. Available at

Epstein, Jonathan M. “The Role of the Global Positioning System in the Environment.” N.Y.U. Environmental Law Journal 6 (1997).

Curry, Michael. Digital Places: Living with Geographic Information Technologies (London: Routledge, 1998).

Gavaghan, Helen. Something New Under the Sun: Satellites and the Beginning of the Space Age (New York: Copernicus, 1998).

Guier, William H. and George C. Weiffenbach. “Genesis of Satellite Navigation.” Johns Hopkins APL Technical Digest 19, no. 1 (1998).

Soler, Tomás. “GPS/GNSS Current Bibliography.” published annually since 1998 in GPS Solutions and available at

Beukers, John M. “Global Radionavigation: The Next 50 Years and Beyond.” Paper presented at the NAV99/ILA28 Conference, November 1999. Available at 013.pdf.

Parkinson, Brad. Interview by Michael Geselowitz at the Center for the History of Electrical Engineering. 2 November 1999. Available at


Bond, Langhorne. “The GNSS Safety and Sovereignty Convention of 2000 AD.” Journal of Air Law and Commerce 65 (2000): 445–451.

Evans, Sam. “Casio GPS Pathfinder Watch.” 21 Sept 2000. Available at

Froomkin, A. Michael “The Death of Privacy?” Stanford Law Review 52 (May 2000): 1496–1498.

United StatesNational Imagery and Mapping Agency. Department of Defense World Geodetic System 1984: Its Definition and Relationships with Local Geodetic Systems, 3rd ed. NIMA TR8350.2. Washington: NIMA, 2000.

United States Department of Defense. Briefing slides for 9 Oct 2001. Available at

Kumar, Sameer and Kevin B. Moore. “The Evolution of Global Positioning System (GPS) Technology.” Journal of Science Education and Technology 11 (Mar 2002).

Lazar, Steven. “Modernization and the Move to GPS III.” Crosslink: The Aerospace Corporation Magazine of Advances in Aerospace Technology 3 (Summer 2002): 42–46.

Pierce, John Alvin. “Technical Extracts from the Memoirs of Dr. J. A. Pierce” (three parts), ed. Walter F. Blanchard, The Journal of Navigation (UK) 55 (2002): 1–22, 157–183, 337–362.

Renenger, Aaron. “Satellite Tracking and the Right to Privacy.” Hastings Law Journal 53 (Jan 2002): 549–565.

Rip, Michael Russell and James M. Hasik. The Precision Revolution: GPS and the Future of Aerial Warfare (Annapolis: Naval Institute Press, 2002).

Thao, Chun Hau and Szu Chin Chang. “Traffic Signal Control System Employing Universal Co-Ordinated Time (UTC) of GPS as Time Base.” US Patent 6,847,307. 25 Jan 2005 (filed 29 May 2002).

Braunschvig, David, Richard L. Garwin, and Jeremy C. Marwell. “Space Diplomacy.” Foreign Affairs 82 (Jul–Aug 2003).

Crawford, Neta C. “Just War Theory and the U.S. Counterterror War.” Perspectives on Politics 1 (Mar 2003).

Dobson, Jerome E. and Peter F. Fisher. “Geoslavery.” IEEE Technology and Society Magazine (Spring 2003): 47–52.

Johnson-Freese, Joan. “Getting Our Bearings.” YaleGlobal Online Magazine, 23 May 2003. Available at

Parkinson, Bradford. Interview bySteven R. Strom at Aerospace Headquarters. 1 Apr and 4 June, 2003. Available at http://

Posen, Barry R. “Command of the Commons: The Military Foundation of U.S. Hegemony.” International Security 28 (Summer 2003): 5–46.

Trimble, Charles R. “Phantom Menace.” Foreign Affairs 82 (Sep–Oct 2003).

Yinger, C. H. et al. “GPS Accuracy versus Number of NIMA Stations.” In ION GPS/GNSS 2003: Proceedings of the 16th International Technical Meeting of the Satellite Division of the Institute of Navigation, September 9–12, 2003, Portland, Oregon (Fairfax, VA: Institute of Navigation, 2003).

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Schwartz, Paul M. “Property, Privacy, and Personal Data.” Harvard Law Review 117 (May 2004): 2056–2128.

Aporta, Claudio and Eric Higgs. “Satellite Culture: Global Positioning Systems, Inuit Wayfinding, and the Need for a New Account of Technology.” Current Anthropology 46 (Dec 2005): 729–753.

Easton, Roger. “GPS Inventor.” 29 March 2005. Available at memoir.

Lewis, Rosalind, Michael Kennedy, Elham Ghashghai, and Gordon Bitko. Building a Multinational Global Navigation Satellite System (Santa Monica: RAND, 2005).

Easton, Richard. “Who Invented the Global Positioning System?” The Space Review, 22 May 2006. Available at

Herbert, William A. “No Direction Home: Will The Law Keep Pace With Human Tracking Technology to Protect Individual Privacy and Stop Geoslavery?” I/S: A Journal of Law and Policy 2, no. 2 (2006): 409–473.

Kaplan, Caren. “Precision Targets: GPS and the Militarization of U.S. Consumer Identity.” American Quarterly 58 (2006).

Air Force Center for Systems Engineering (AFIT/SY). Global Positioning System Systems Engineering Case Study. 4 Oct 2007. Available at files/GPS%20SE%20Study%20Final%20Report%20_4%20Oct%2007.pdf.

Dobson, Jerome E. and Peter F. Fisher. “The Panopticon’s Changing Geography.” Geographical Review 97 (July 2007): 307–323.

Klinkenberg, Brian. “Geospatial Technologies and the Geographies of Hope and Fear.” Annals of the Association of American Geographers 97, no. 2 (2007): 350–360.

Morelle, Rebecca. “Argos: Keeping Track of the Planet.” BBC News, 7 June 2007. Available at

Wiesel, Ingrid. “Predicting the influence of land development on brown hyena (Parahyaena brunnea) movement and activity.” Poster at Society of Conservation Biology Conference, Port Elizabeth, South Africa, July 2007.

Han, Sang Wook Daniel. “Global Administrative Law: Global Governance of the Global Positioning System and Galileo.” ILSA Journal of International and Comparative Law 14 (2008): 571–593.

Marti, Harold W., III and Walter Petrofski “Controlling GPS: Architecture Evolution Plan and Beyond.” High Frontier 4 (May 2008): 38–41.

Sturdevant, Rick W. “Tracing Connections—Vanguard to NAVSPASUR to GPS: An Interview with Roger Lee Easton, Sr..” High Frontier 4 (May 2008): 52–55.

Wong, Alice A. and Ray E. Clore. “Promoting International Civil GNSS Cooperation Through Diplomacy.” High Frontier 4 (May 2008).

Hasper, Tracy J. and Gordon F. Lull. “Where on Earth: GPS tracking devices raise Fourth Amendment issues for civil and criminal law practitioners alike.” Los Angeles Lawyer (Sept 2009): 30–37.

Parkinson, Brad. “True Origins and Major Original Challenges for GPS Success (1962–1978).” Presentation at Stanford Center for Position, Navigation, and Time, Oct 2009. Available at

Whitlock, Robert R. and Thomas B. McCaskill. NRL GPS Bibliography. Washington, Naval Research Laboratory, 2009.


Dey, Anind, Jeffrey Hightower, Eyal de Lara, and Nigel Davies. “Location-Based Services.” IEEE Pervasive Computing 9 (Jan–Mar 2010): 11–12.

Easton, Richard. Letter to the editor. Inside GNSS 5 (May 2010), 12–17.

Frenzel, Louis E. “Chips Improve GPS, Wi-Fi Performance.” Mobile Dev & Design, 22 Jan 2010. Available at hardware_design/chips-improve-gps-wifi-performance-012210.

Hagen, Erica. “Putting Nairobi’s Slums on the Map.” Development Outreach (July 2010): 41–43.

Maron, Mikel. “Haiti OpenStreetMap Response.” 14 Jan 2010. Available at

Parkinson Bradford W., and Stephen T. Powers. “Fighting to Survive.” GPS World (June 2010).

Parkinson, Bradford W. and Stephen T. Powers. “Origins of GPS.” GPS World (May 2010).

Parkinson, Bradford. Letter to the editor. Inside GNSS 5 (May 2010), 12–17.

United States Naval Research Laboratory. “Father of GPS and Pioneer of Satellite Telemetry and Timing Inducted into National Inventors Hall of Fame.” Press Release 34-10r. 31 March 2010. Available at

Walter, Todd, Juan Blanch, and Per Enge. “Future Augmented: Coverage Improvement for Dual-Frequency SBAS.” GPS World (Mar 2010): 36–41.

Kelley, Matthew James. “The Emergent Urban Imaginaries of Geosocial Media.” GeoJournal 78 (2011): 181–203.

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Wilson, Matthew. “Location-Based Services, Conspicuous Mobility, and the Location-Aware Future.” Geoforum 43 (2012): 1266–1275.

Easton,Richard D. GPS Declassified: From Smart Bombs to Smartphones (Lincoln, NE: Potomac Books, 2013).

Graham, Mark, Matthew Zook, and Andrew Boulton. “Augmented Reality in Urban Places: Contested Content and the Duplicity of Code.” Transactions of the Institute of British Geographers 38 (2013): 464–479.

Thatcher, Jim. “Avoiding the Ghetto through Hope and Fear: An Analysis of Immanent Technology Using Ideal Types.” GeoJournal 78 (2013): 967–980.

United States Naval Observatory. “Block II Satellite Information.” 16 Jun 2014. Available at