YB4IR, YB4KLN, YB4KB, YB4JTB and team currently active from Sumatra Island (IOTA OC-143) with special call YB43AR for 42th Anniversary of Indonesian Amateur Radio.
They active on HF Bands.
QSL via PO BOX 1096 Jakarta 10010 INDONESIA.
More than just DX News
YB4IR, YB4KLN, YB4KB, YB4JTB and team currently active from Sumatra Island (IOTA OC-143) with special call YB43AR for 42th Anniversary of Indonesian Amateur Radio.
They active on HF Bands.
QSL via PO BOX 1096 Jakarta 10010 INDONESIA.