APRS messages are stored for 14 days. It is possible to search using wildcards (*?) after a prefix.
2024-05-23 15:12:07 EDT: WA7MXZ-14>ANSRVR: CQ HOTG 2024-05-23 15:12:07 EDT: ANSRVR>WA7MXZ-14: N:HOTG Now Monitoring with 153 Members 2024-05-23 15:12:31 EDT: WA7MXZ-14>ANSRVR: U HOTG 2024-05-23 15:12:32 EDT: ANSRVR>WA7MXZ-14: N:HOTG Removed From Group