Which statement is correct regarding a method that a vessel expe

Which statement is correct regarding a method that a vessel experiencing problems with shadowing of the INMARSAT-F SES antenna by an on-board obstruction could use to attempt reliable communications?

A.Change course to make the communication.

B.Change the Coast Station ID programming.

C.Install a shadow correction filter.

D.Switch from Telex to Voice mode which requires a lower signal strength for proper operation.

正确答案是A