Object ID: 00000018WIA304F0970GYZTopic ID: id_40024062 Version: 1.2Date: Aug 19, 2022 1:00:49 PMSpatial Spectral RF The Spectral Spatial RF or the SSRF option reduces signal from fat by selectively exciting a narrow range of chemical shifts at the prescribed location through the application of a series of very short RF pulses.