A measurement system (1a, 1b, 1c) for real-time visualization of radiation pattern comprising: - an antenna array with a plurality of antennas (11a-11n)configured to provide a voltage signal corresponding to a received radio signal, - a plurality of radio frequency detectors (13a-13n) configured to rectify the voltage signal from each antenna of the plurality of antennas (11a-11n), - a plurality of amplifiers (15a-15n) downstream of the plurality of radio frequency detectors (13a-13n) configured to amplify the magnitude of a rectified voltage from each of the radio frequency detectors (13a-13n), and - a plurality of receiving elements (17a-17n), each includes a light emitting diode (19a-19n) and configured to receive an amplified voltage corresponding to each amplifier of the plurality of amplifiers (15a-15n); wherein the measurement system further includes a plurality of tuning elements (21a-21n); wherein each tuning element of the plurality of tuning elements (21a-21n): is connected to each amplifier of the plurality of amplifiers (15a-15n); is configured to calibrate its respective amplifier of the plurality of amplifiers (15a-15n); and is configured to adjust the amplified voltage of its respective amplifier of the plurality of amplifiers (15a-15n) corresponding to an input voltage range of the light emitting diode (19a-19n) associated with it; wherein the light emitting diode (19a-19n): is a multi-color light emitting diode configured to emit at least three different colors, or comprises at least three separate light emitting diodes with different colors. - an antenna array with a plurality of antennas (11a-11n)configured to provide a voltage signal corresponding to a received radio signal, - a plurality of radio frequency detectors (13a-13n) configured to rectify the voltage signal from each antenna of the plurality of antennas (11a-11n), - a plurality of amplifiers (15a-15n) downstream of the plurality of radio frequency detectors (13a-13n) configured to amplify the magnitude of a rectified voltage from each of the radio frequency detectors (13a-13n), and - a plurality of receiving elements (17a-17n), each includes a light emitting diode (19a-19n) and configured to receive an amplified voltage corresponding to each amplifier of the plurality of amplifiers (15a-15n); wherein the measurement system further includes a plurality of tuning elements (21a-21n); wherein each tuning element of the plurality of tuning elements (21a-21n): is connected to each amplifier of the plurality of amplifiers (15a-15n); is configured to calibrate its respective amplifier of the plurality of amplifiers (15a-15n); and is configured to adjust the amplified voltage of its respective amplifier of the plurality of amplifiers (15a-15n) corresponding to an input voltage range of the light emitting diode (19a-19n) associated with it; is connected to each amplifier of the plurality of amplifiers (15a-15n); is configured to calibrate its respective amplifier of the plurality of amplifiers (15a-15n); and is configured to adjust the amplified voltage of its respective amplifier of the plurality of amplifiers (15a-15n) corresponding to an input voltage range of the light emitting diode (19a-19n) associated with it; wherein the light emitting diode (19a-19n): is a multi-color light emitting diode configured to emit at least three different colors, or comprises at least three separate light emitting diodes with different colors. is a multi-color light emitting diode configured to emit at least three different colors, or comprises at least three separate light emitting diodes with different colors.