“Then, at 2 a.m. EST on March 3, it was official: LuGRE acquired and tracked signals on the lunar surface for the first time ever and achieved a navigation fix — approximately 225,000 miles away from Earth.”
A NASA and Italian Space Agency receiver on Blue Ghost got a navigation fix from the Moon’s surface. It tracked both GPS and Galileo from 225,000 miles away. Those satellites were built to serve Earth. Lunar navigation runs on the spillover.