NAME DESIG. LATITUDE LONGITUDE AREA UTM JOG NO. Masan-dong PPL 38°10'00"N 125°44'00"E KN00 YC32 NJ51-08 + Masan-dong PPL 39°08'32"N 125°54'47"E KN12 YP53 NJ51-04 Masan-dong: see Masan-ni PPL 39°08'35"N 125°28'21"E KN15 YP13 NJ51-04 Masan-dong PPL 39°09'51"N 125°50'32"E KN12 YP43 NJ51-04 Masan-dong PPL 39°30'57"N 126°42'23"E KN03 CW07 NJ52-01 + Masan-dong PPL 39°48'09"N 125°39'31"E KN11 YQ20 NJ51-04 Masan-dong PPL 39°56'00"N 124°57'00"E KN00 XE62 NJ51-04 + Masan-dong PPL 39°57'52"N 125°53'00"E KN11 YQ42 NJ51-04 Masan-dong PPL 40°00'00"N 124°40'00"E KN00 XE42 NK51-12 Masan-dong PPL 40°05'32"N 125°51'10"E KN11 YQ44 NK51-12 Masan-dong PPL 40°54'05"N 129°25'20"E KN16 EA32 NK52-11 + Masan-dong PPL 41°04'53"N 126°22'34"E KN01 BA75 NK52-07
Of these various possibilities, this facility is almost certainly located northeast of Pyongyang at the Maram railway station near Pyongsong.
Masan-dong PPL 39°09'51"N 125°50'32"E KN12 YP43 NJ51-04 Maram RSTN 39°10'00"N 125°49'00"E KN00 YD43 NJ51-04 Pyongsong N39°15' E125°51'