I had the intention of hiding the 15-digit coordinate set amid the 150 letter pairs below. At least, that was my intention - but somehow during the process of hiding the digits, I lost them. However, I know that amid our local puzzler community there must be someone who can find them, perhaps even you.
AJ LB MG FI NA HF FE BA NH LA
AH MF PC HB KF ME GD BJ CG JE
AE OI IJ PO LF NG CC QN RG JJ
EA OE FH AA DD KG HC OD LJ DF
RR KH FA SA BB NC OG CA LE FC
ST GA NI EG HJ HI AD IG MB GI
LH HE FF MD NE KB IF BE CE GB
HH OB KC DJ ED LG HD AF NB FB
KJ OF MI CF DB DI DA II MA CI
JG GH OJ SU BC ND IA TL MH GJ
OH AB BI MJ JB EH AI OA KA KI
ID CJ JC IE CD UA NJ BH FG VT
DG DE BF FD JH HG EF LI WI GE
GC EI GG XO JD KD IC CH AG EC
EJ IH JF LC YN BD EE ZS DH JI
To help with your search, I'm providing a PDF version of the above array as well as a plain text list of the 150 letter pairs.
Verify with certitude....Congratulations to first finder TeamOttlet.