Jul 01, 2021 · Jun 30: IS-GPS-200M, IS-GPS-705H, IS-GPS-800H, ICD-GPS-240D; Jun 30: IRNs to IS-GPS-200K, 200L, 705F, 705G, 800F, 800G, ICD-GPS-240C, and ICD-GPS-870D; Jun 8: Updated advisory board charter; Responsible Use of PNT. Information and resources for improving positioning, navigation, and timing resilience, especially in critical infrastructure ...