I understand. RepeaterBook is not known for being either current or accurate, but there aren't many credible sources out there. You might look for the web site of a Memphis radio club, too.
MARA is fortunate to have 5 repeaters in the mid-south area. All of the club repeaters are OPEN for licensed amateur use. Frequency Offset Tone 147.030 + (107.2 PL) 145.210 - (107.2 PL) 444.175 + (107.2 PL) 443.250 + (107.2 PL) 927.6125 - (146.2 PL)
Memphis Digital Amateur Radio D-STAR/D-RATS Net ALL TIMES ARE CST. Friday Evenings @ 2030 Hrs. W4LET - 443.9875 Repeater Node B and REF 58A Backup MDARC ZELLO Channel Sunday Nets International D-STAR Net W4LET Node C 1900Hrs. and Ref 1C South Eastern States D-STAR Weather Net W4LET Node B -