Satellite C-band usually transmits around 6 GHz and receives around 4 GHz. It uses large (2.4- 3.7 meter) antennas. These are the large white domes that you see on top of the cruise ships and commercial vessels.
Inferior Vena Cava Filter Placement and Removal. 1  During Inferior Vena Cava (IVC) filter placement, a filtering device is placed within the IVC, a large vein in the abdomen that returns blood from the lower body to the heart. Blood clots in the veins of the legs and pelvis can occasionally travel to the lungs where they may cause a pulmonary embolism or blockage.
Inferior vena cava (IVC) filters are placed in patients who have a history of or are at risk of developing blood clots in the legs, including patients: 1  diagnosed with deep vein thrombosis (DVT).2  with pulmonary embolus. 3  who are trauma victims.nferior vena cava (IVC) filters are placed in patients who have a history of or are at risk of developing blood clots in the legs, including patients: 1  diagnosed with deep vein thrombosis (DVT).