Grids by DXCC for VIET NAM
OJ19, OJ28, OJ29, OJ38, OJ39, OK10, OK19, OK20, OK21, OK27, OK28, OK29, OK30, OK31, OK32, OK33, OK34, OK35, OK36, OK37, OK38, OK39, OL10, OL11, OL12, OL20, OL21, OL22, OL23, OL30, OL31, OL32
OJ19, OJ28, OJ29, OJ38, OJ39, OK10, OK19, OK20, OK21, OK27, OK28, OK29, OK30, OK31, OK32, OK33, OK34, OK35, OK36, OK37, OK38, OK39, OL10, OL11, OL12, OL20, OL21, OL22, OL23, OL30, OL31, OL32