They are talking about establishing a moon coordinate time. https://arxiv.org/abs/2402.11150 https://arxiv.org/abs/2402.11150 Cell sites synchronize time with

They are talking about establishing a moon coordinate time. https://arxiv.org/abs/2402.11150 https://arxiv.org/abs/2402.11150 Cell sites synchronize time with the network, like you phone does but they are talking about Earth time.