Imam Raharjo, YB4IR will be active from Wamar Island (IOTA OC-249), Aru Islands until 25 April 2015 as YB4IR/8.
He will operate on 40 - 10m CW, SSB, RTTY.
QSL via home call, OQRS, LOTW.
CQ WAZ Zone 28.
International Telecommunication Union ITU Zone - 54.