What is a "Gps L1 And L2"? The Most Authoritative Explanation.
What is the L1 and L2 frequency of GPS?
In the case of the original GPS design, two frequencies are utilized; one at 1575.42 MHz (10.23 MHz × 154) called L1; and a second at 1227.60 MHz (10.23 MHz × 120), called L2. The C/A code is transmitted on the L1 frequency as a 1.023 MHz signal using a Bi-Phase Shift Key ( BPSK) modulation technique.What is the difference between L1 and L2?
The L1 signal uses the frequency 1575.42 MHz. (source) Since the L1 is the oldest and most established signal, even the cheapest GPS units are capable of receiving it. However, because its frequency is relatively slow it is not very effective at traveling through obstacles. L2 The L2 frequency was implemented after the L1.What is an L2C GPS signal?
L2C is the second civilian GPS signal, designed specifically to meet commercial needs. Its name refers to the radio frequency used by the signal (1227 MHz, or L2) and the fact that it is for c ivilian use. There are also two military signals at the L2 frequency.What are L1 L2 and L5 signals?
If so, here is your quick-and-easy summary explaining L1, L2, and L5 signals and how they are used. The L1 signal is the oldest GPS signal. It has two parts: the Coarse/Acquisition Code (C/A) and the Precision Code (P-code). The P-code is reserved for military use, while the C/A is open to the public.
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