21. Officials said the sound was cut off to improve the radio link with Mir. 22. The system makes use of other radio links , too, including the Global Positioning System. 23. All these services rely on a radio link to Bluff, so broadband speeds are limited. 24. Using a radio link , the computer then tells the armless, wheeled players what to do. 25. Porter remained to maintain a radio link with SOE Headquarters until the British mission arrived. 26. The range of the radio links can be extended by forwarding messages along multi-hop paths. 27. Using the radio link secreted in Kennedy's ear the directors passed the message to him. 28. However, in more advanced artillery units, this data is relayed through a digital radio link . 29. But to be understood over radio links to pilots, they must master all its sounds. 30. MAS makes digital microwave radio links used in telecommunications.