APRS messages are stored for 14 days. It is possible to search using wildcards (*?) after a prefix.
2024-05-15 23:09:59 EDT: CT1EBQ>CU2ZG-6: Heard you via ISS, 73 de Ricardo 2024-05-15 23:10:04 EDT: CT1EBQ>CU2ZG-6: CQ via ISS QSL? 73 de Ricardo 2024-05-15 23:10:14 EDT: CT1EBQ>CU2ZG-6: Gretings from IM58gr, 73 de Ricardo