Jan 29 (Reuters) - Orbital Corporation Ltd OEC.AX :
* HY UNAUDITED PRELIMINARY REVENUE OF A$11.4 MILLION
* MAINTAINS REVENUE GUIDANCE OF A$25-35 MILLION FOR FY20
Jan 29 (Reuters) - Orbital Corporation Ltd OEC.AX :
* HY UNAUDITED PRELIMINARY REVENUE OF A$11.4 MILLION
* MAINTAINS REVENUE GUIDANCE OF A$25-35 MILLION FOR FY20