"GPS NEO-6M Satellite Positioning Module Development Board for STM32 usb 51 neo6m(with Battery
Module NEO-6M U-BLOX comes with a USB Micro interface, no longer need to use USB-TTL and other tools.6 module is ideal for battery-operated mobile devices with very strict cost and space constraints. The 51-channel u-blox 6 positioning engine boasts a Time-To-First-Fix (TTFF) of under 1 second. GPS. Set aside a TTL interface, easily use the USB-TTL or external MCU control to receive. The dedicated acquisition engine, with 2 million correlators, is capable of massive parallel time/frequency space searches, enabling it to find satellites instantly. Innovative design and technology suppresses jamming sources and mitigates multipath effects, giving NEO-6M GPS receivers excellent navigation performance even in the most challenging environments.
GPS second pulse signal PPS one second, its role is used to indicate the time of the whole second, and the moment is usually marked with the rising edge of the PPS pulse. Because GPS can give UTC time, but the user will receive a time delay, then in order to fine timing, the introduction of the rising edge of the PPS signal to mark UTC the whole second moment, the accuracy can be nanoseconds, and there is no cumulative error.
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