No person shall begin or continue the construction or operation of any radio utility system, or any geographical extension thereof, or acquire ownership or control thereof either directly or indirectly without first obtaining from the public service commission a certificate that the present or future public convenience and necessity requires or will require such construction, operation, geographical extension or acquisition. The commission is authorized to prescribe appropriate and reasonable rules and regulations governing the issuance of such certificates and is authorized to prescribe the appropriate form of applications for such certificates.