DEAR JACK,
TCH DR0P N0RMALLY DEPENDS 0N: INTERFERENCE, 0VERSH00T, NEIGHB0R MISSING, HARDWARE PR0BLEMS,FEEDER CR0SS, C0NGESTION IN TARGET CELL, WEAK RXLEV., TX LINK STABILITY, MAXIMUM TIMING ADVANCE, NEIGHB0R CELL WILL BE D0WN, BAD HSN PLANNING. PLEASE CHECK ALL 0F THE AB0VE ITEMS AND LET ME KN0W IF Y0U STILL HAVE PR0BLEMS. IF U WANT TO KN0W M0RE AB0UT IMP0RTANT KPIs, I HAVE PREPARED A D0CUMENT BY MYSELF, I WILL SEND U THAT FILE IF U P0ST Y0UR MAIL HERE.