# eDGNSS Source: [https://docs.qualcomm.com/doc/80-PK177-134/topic/edgnss.html](https://docs.qualcomm.com/doc/80-PK177-134/topic/edgnss.html) The eDGNSS subsystem provides start/stop tracking APIs and a callback to receive **meter**-level positioning. - **[eDGNSS subsystem APIs](https://docs.qualcomm.com/doc/80-PK177-134/topic/edgnss_subsystem_apis.html)** - **[eDGNSS subsystem callback interfaces](https://docs.qualcomm.com/doc/80-PK177-134/topic/edgnss_callbacks.html)** - **[Location enums](https://docs.qualcomm.com/doc/80-PK177-134/topic/edgnss_enums.html)** - **[Supporting classes and structs](https://docs.qualcomm.com/doc/80-PK177-134/topic/supporting_classes_and_structs_edgnss.html)** - **[Example code](https://docs.qualcomm.com/doc/80-PK177-134/topic/edgnss_example_code.html)** **Parent Topic:** [Location API](https://docs.qualcomm.com/doc/80-PK177-134/topic/location.html) Last Published: Nov 14, 2024 [Previous Topic Location API](https://docs.qualcomm.com/bundle/publicresource/80-PK177-134/topics/location.md) [Next Topic eDGNSS subsystem APIs](https://docs.qualcomm.com/bundle/publicresource/80-PK177-134/topics/edgnss_subsystem_apis.md)