Opinion: GPS L2P(Y) Phase Shift Causes Needless Consternation
-->Roughly three years ago, the U.S. military conducted the first flex-power test on the L2 gps kids watch codeless signal. Almost immediately, the civilian gps kids watch community expressed concern that future changes to the L2P(Y) signal power levels might cause a signal phase shift; such a phase shift would be incompatible with equipment using the P(Y) signals in a codeless/semicodeless fashion for extremely accurate positioning applications.
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