What does 5G1 stand for?

What does 5G1 mean? We have 3 definitions. Read most used 5G1 meanings below.

5G1 — Green Canyon Block 158 Supplementary Aviation Weather Reporting Station, Gulf of Mexico
5G1 — Former code of Chagrin Falls Airport, Chagrin Falls, Ohio USA (now closed)
5G1 — Eurosports Global Limited (Singapore Stock Exchange [SGX])