> At issue is the U.S. Department of Defense (DoD) desire to be able to jam other radionavigation signals in a theater of operation so as to provide an edge to

> At issue is the U.S. Department of Defense (DoD) desire to be able to jam other radionavigation signals in a theater of operation so as to provide an edge to allied users of military GPS receivers. This "selective denial" capability would be complicated by the presence of an encrypted PRS signal atop the M-code bands, because the U.S. could not jam the PRS without jamming its own signals. There's some more info here: https://arquivo.pt/wayback/20090628141907/http://findarticles.com/p/articles/mi_m0BPW/is_12_13/ai_n27579865/ https://arquivo.pt/wayback/20090628141907/http://findarticle...