BA4TB, BD4TS, BH4TVU, BH4XAE will be active from Hainan Island (IOTA AS-094) 24 July - 1 August 2015 as B7/BA4TB, B7/BD4TS, B7/BH4TVU, B7/BH4XAE.
They will operate on HF Bands.
BA4TB will QRV in RSGB IOTA Contest as B7/BA4TB.
QSL via home calls.