Which frequencies are transmitted by GPS satellites?

GPS satellites transmit signals primarily at two key frequencies: 1227.6 MHz and 1575.4 MHz. The 1575.4 MHz frequency is known as the L1 frequency, which is used for civilian GPS applications and is the most widely utilized frequency for consumer GPS devices. The 1227.6 MHz frequency corresponds to the L2 signal, which is typically used for military purposes and dual-frequency receivers, improving the accuracy and reliability of positioning through correction methods that help mitigate errors caused by atmospheric conditions.

Understanding these frequencies is crucial for recognizing how GPS technology functions and enhances navigation capabilities. The other frequencies listed in the other options do not correspond to the standard frequencies used by GPS satellites, making them incorrect.