APRS messages are stored for 14 days. It is possible to search using wildcards (*?) after a prefix.
2024-05-09 12:46:16 EDT: SMS>KI5ZMB-9: @9188129206 test mobile 2024-05-09 12:47:16 EDT: SMS>KI5ZMB-9: @9188129206 test mobile 2024-05-09 12:48:16 EDT: SMS>KI5ZMB-9: @9188129206 test mobile