Proc 2012. Proc, Jerry (24 October 2012). "The GEE System". Retrieved 17 January 2022. Adapted from Blanchard, W. F. (September 1991). "Air Navigation Systems Chapter 4. Hyperbolic Airborne Radio Navigation Aids – A Navigator's View of their History and Development". The Journal of Navigation. 44 (3). London: Royal Institute of Navigation: 285–315. doi:10.1017/S0373463300010092. ISSN0373-4633. S2CID130079994.
jproc.ca
Proc 2012. Proc, Jerry (24 October 2012). "The GEE System". Retrieved 17 January 2022. Adapted from Blanchard, W. F. (September 1991). "Air Navigation Systems Chapter 4. Hyperbolic Airborne Radio Navigation Aids – A Navigator's View of their History and Development". The Journal of Navigation. 44 (3). London: Royal Institute of Navigation: 285–315. doi:10.1017/S0373463300010092. ISSN0373-4633. S2CID130079994.
Turner & Roberts, p. 16. Turner, L.; Roberts, A. Radar Beacons. MIT Radiation Lab Series. Vol. III (online scan ed.). Lexington, Mass: Boston Technical Publishers. OCLC123180755.
semanticscholar.org
api.semanticscholar.org
Proc 2012. Proc, Jerry (24 October 2012). "The GEE System". Retrieved 17 January 2022. Adapted from Blanchard, W. F. (September 1991). "Air Navigation Systems Chapter 4. Hyperbolic Airborne Radio Navigation Aids – A Navigator's View of their History and Development". The Journal of Navigation. 44 (3). London: Royal Institute of Navigation: 285–315. doi:10.1017/S0373463300010092. ISSN0373-4633. S2CID130079994.
Turner & Roberts, p. 16. Turner, L.; Roberts, A. Radar Beacons. MIT Radiation Lab Series. Vol. III (online scan ed.). Lexington, Mass: Boston Technical Publishers. OCLC123180755.
Proc 2012. Proc, Jerry (24 October 2012). "The GEE System". Retrieved 17 January 2022. Adapted from Blanchard, W. F. (September 1991). "Air Navigation Systems Chapter 4. Hyperbolic Airborne Radio Navigation Aids – A Navigator's View of their History and Development". The Journal of Navigation. 44 (3). London: Royal Institute of Navigation: 285–315. doi:10.1017/S0373463300010092. ISSN0373-4633. S2CID130079994.