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.
Get a Free Case Review. A retrievable inferior vena cava filter (IVC filter) is a small, metal device designed to stop a blood clot from traveling to the lungs. The device resembles a metal cage and is surgically inserted into a patientâs inferior vena cava, the vein that take blood back to the heart and lungs.