sensors, satellite, transmitter, geosynchronous, dropsonde, toru, radiolocation, transponder, global positioning system, monitoring, geophone, sonde, intercommunications, radiosonde, odometry, telemeter, radiotelephone, transmissions, satcom, elint, geostationary, altimeters, totalizer, loran, prognostics, dscs, uplink, gradiometer, comint, vhf, inertial navigation system, subsystem, dynamometers, thruster, aprs, tachometers, data, inertial navigation, readouts, heterodyne, radars, electrocardiograph, spacecraft, annunciators, telematics, simulator, audiometer, waveforms, ephemeris, instrumentation, echo sounder, microseismic, spectrogram, sounders, geomagnetism, electroencephalograph, geodetic, inertial guidance, analyzer, lidar, vernier, tracking, signaler, spectro, beaconing, azimuthal, spectrographic, avionics, antennas, spectrometric, inclinometer, doppler, telerobotics, hydrophone, radios, sideband, septentrio, infrared, decimeter, transceiver, retroreflector, calibration, electromagnetics, doppler shift, seismometer, orbiters, ecus, homing device, directional antenna, frequency modulation, usos, radio frequency, diagnostics, closed loop, pseudorandom, pulser, radiometer, gyrocompass, deimos, eegs, immix, hexapod, transceivers, telecommunication, controllers, applications, devices, modems, monitors, sensing, transducers, audio, machines, monitor, receivers, recorders, sonar, wireless

sigint, signals intelligence, telemetered, telemetry intelligence, telint

measure, measurement, measuring, mensuration