| Which of the following statements concerning SITOR communications is true? |
| A) Communication is established on the working channel and answerbacks are exchanged before FEC broadcasts can be received. |
| B) In the ARQ mode each character is transmitted twice. |
| C) Weather broadcasts cannot be made in FEC because sending each character twice would cause the broadcast to be prohibitively long. |
| D) Two-way communication with the coast radio station using FEC is not necessary to be able to receive the broadcasts. |
