EM.Tempo offers the following types of observable:
* {| class="wikitable"|-! scope="col"| Source Type! scope="col"| Applications! scope="col"| Restrictions|-| '''[[Data_Visualization_and_ProcessingGlossary of EM.Cube's Simulation Observables#Probing_Fields_in_Time_and_Frequency_Domains | Field Probe]]''' for monitoring | style="width:300px;" | Monitoring E- and H-field components at a fixed location in both time and frequency domains * | style="width:250px;" | Associated with a PEC or thin wire line|-| '''[[Data_Visualization_and_ProcessingGlossary of EM.Cube's Simulation Observables#The_Field_Sensor_Observable | Near-Field Sensor]]''' for monitoring | style="width:300px;" | Monitoring E- and H-field components on a cross section of the computational domain in both time and frequency domains* | style="width:250px;" | Associated with a virtual rectangle strip|-| '''[[Data_Visualization_and_ProcessingGlossary of EM.Cube's Simulation Observables#Far-Field_Observables | Far-Field Radiation Pattern]]''' for monitoring | style="width:300px;" | Monitoring the radiation behavior of your structure* | style="width:250px;" | Associated with a PEC rectangle strip|-| '''[[Data_Visualization_and_ProcessingGlossary of EM.Cube's Simulation Observables#Computing_Radar_Cross_Section | Far-Field Radar Cross Section (RCS)]]''' for monitoring | style="width:300px;" | Monitoring the scattering behavior of your structure* | style="width:250px;" | Associated with a PEC rectangle strip|-| '''[[Data_Visualization_and_ProcessingGlossary of EM.Cube's Simulation Observables#Computing_and_Graphing_Port_Characteristics | Port Characteristics]]''' including | style="width:300px;" | Computation of the S/Y/Z [[parameters]] and voltage standing wave ratio (VSWR)* | style="width:250px;" | Associated with a PEC Cylinder|-| '''[[Glossary of EM.Cube's Simulation Observables#Exciting_Periodic_Structures_Using_Plane_Waves|Periodic Characteristics]]''' for calculating | style="width:300px;" | Computation of the reflection and transmission coefficients when your periodic structure is excited by a plane wave source* | style="width:250px;" | Associated with a hollow PEC box|-| '''[[Glossary of EM.Cube's Simulation Observables# |Domain Energy]]''' for calculating | style="width:300px;" | Computation of the total electric and magnetic energy in the computational domain* | style="width:250px;" | Stand-alone source|-| '''[[Hybrid_Modeling_using_Multiple_Simulation_EnginesGlossary of EM.Cube's Simulation Observables#Generating_Huygens_Surface_Data | Huygens Surface]]''' for collecting | style="width:300px;" | Collecting tangential field data on a box| style="width:250px;" | Stand-alone source|}
<!--[[Image:Info_icon.png|40px]] Click here to learn more about the various '''[[FDTD Observable Types]]'''.-->