* '''[[Data_Visualization_and_Processing#Probing_Fields_in_Time_and_Frequency_Domains | Field Probe]]''' for monitoring E- and H-field components at a fixed location in both time and frequency domains.
* '''[[Data_Visualization_and_Processing#The_Field_Sensor_Observable | Field Sensor]]''' for monitoring E- and H-field components on a cross section of the computational domain in both time and frequency domains.
* '''[[Data_Visualization_and_Processing#Visualizing_3D_Radiation_Patterns Far-Field_Observables | Far-Field Radiation Pattern]]''' for monitoring the radiation behavior of your structure.* '''[[Data_Visualization_and_Processing#Visualizing_3D_RCS Computing_Radar_Cross_Section | Far-Field RCS]]''' for monitoring the scattering behavior of your structure.* '''[[FDTD_Observable_TypesData_Visualization_and_Processing#Scattering_Parameters_and_Port_Characteristics Graphing_Port_Characteristics | Port Definition]]''' for calculating the S/Y/Z [[parameters]] and voltage standing wave ratio (VSWR).
* '''[[#Exciting_Periodic_Structures_Using_Plane_Waves|Periodic Characteristics]]''' for calculating the reflection and transmission coefficients when your periodic structure is excited by a plane wave source.
* '''Domain Energy''' for calculating the total electric and magnetic energy in the computational domain.