21. A mobile HIPAR radar unit provided radar coverage . 22. The government has no radar coverage of the area, which is mostly controlled by ethnic Tamil secessionists. 23. Also, designers are marketing ADS-B overseas, especially in remote regions where radar coverage is unreliable or nonexistent. 24. All aircraft within the carrier's radar coverage ( typically several hundred miles ) are tracked and monitored. 25. Aereon's unique deltoid airframe shape caters to this role well, giving " 360 degree radar coverage ". 26. Moosonee was one of five stations built to close radar coverage gaps in the original Pinetree system. 27. The College Eye EC-121Ds provided airborne radar coverage and surveillance in support of aircraft flying combat operations. 28. Preliminary investigations had reportedly found the incident was caused by a misunderstanding about radio frequencies and radar coverage . 29. Remote radio transmitters and air traffic radar coverage at the airport also link Bermuda and New York Center. 30. Additional radar coverage and U . S . Customs Service aircraft will enforce no-fly zones surrounding Olympic venues.
