It has a shorter wavelength so the correlation peaks are more narrow and hence more easily distinguishable. See this illustration [0] taken from this article [1

It has a shorter wavelength so the correlation peaks are more narrow and hence more easily distinguishable. See this illustration [0] taken from this article [1] [0] https://insidegnss-com.exactdn.com/wp-content/uploads/2021/03/Fig.-10.png?strip=all&lossy=1&ssl=1 https://insidegnss-com.exactdn.com/wp-content/uploads/2021/0... [1] https://insidegnss.com/end-game-for-urban-gnss-googles-use-of-3d-building-models/ https://insidegnss.com/end-game-for-urban-gnss-googles-use-o...