APRS messages are stored for 14 days. It is possible to search using wildcards (*?) after a prefix.
2024-05-18 18:00:29 EDT: KM7CT-4>N5TNG-1: Test message, first APRS - KM7CT 2024-05-18 18:35:47 EDT: KM7CT-4>N5TNG-1: Test message, first APRS - KM7CT 2024-05-18 18:43:20 EDT: KM7CT-4>N5TNG-1: Test message, first APRS - KM7CT