First you will need to vist the coordinates of this mystery to obtain the KEYWORD.
You will then need to create a keyed VIGENÈRE table using my user name minus the numbers.
Then using the KEYWORD crack the code:
KXEG CBTH NRTE CXJB GVCL LBHE MOOG LLYI PGCN PEGW UJXS FCTR WWXM ZNAT WYIP GPSAT
Checksum = 60