Ukulele Chord Chart and Tabs in Low G 4th Tuning

Gb7b5, GbM7b5, GbM7b5, GbM7b5, Gb dom7dim5
Notes: G♭, B♭, D♭♭, F♭
0,5,6,3 (.231)
4,5,2,3 (3412)
0,11,8,7 (.321)