= Cryocooler P51 = measured around cryocooler P51 FFU filter: off, cryocooler: on, fun for EXC chamber: on == 0-250 MHz == {{attachment:p51_0_250.png|png}} == 0-5 MHz == {{attachment:p51_0_5.png|png}} == 0-20 MHz == {{attachment:p51_0_20.png|png}}