error in 1 in cmd AT+QGNSSCMD:
this your cmd:
AT+QGNSSCMD=1,$PMTK8382,12C
but MC60 CMD AT+QGNSSCMD=1 only support 0: true cmd is:
AT+QGNSSCMD=0,$PMTK8382,12C
for more info:
pdf “MC60_Series_GNSS_Protocol_Specification_V1.1” cmd “3.3. AT+QGNSSCMD Send Commands to GNSS Module” page 20