5. Discussion

Now that the we have gotten the results, it is time to analyse.


Samsung Galaxy Trend 3
  • Voltage Sensor
    • Receiving calls: The phone had peak voltages of up to 4.79 volts, meaning it had high intensity emissions of electromagnetic radiation
    • Transmitting calls: The phone had peaks of up to 1.82 volts, meaning that the phone did release an intensity of radiation to some high degree(but not as high as when it was receiving phone calls).

    • iPhone 5s
  • Voltage Sensor
    • Receiving calls: The voltage sensor kept detecting a wave with regular peak intervals, even when the call ended, meaning that the call ending had not affected the the regular peak emissions, slightly fluctuating sine wave, which was most probably the background radiation; from which we can deduce that the waveform was not caused by the phone receiving/transmitting radiation. We suspect that this was due to the fact that the phone was not set to GSM mode, or that the iPhone had not used GSM signals. We also think that the intensity of the radiation was not being detected simply because the antenna needed to be of a different length for iPhones.
    • Transmitting calls: The transmission of calls had given the same consistent waveform as detected when the phone was receiving calls, and hence the same explanation can be given.
Samsung Galaxy S3
  • Voltage Sensor
    • Receiving calls: This phone had the most exemplar and promising results as we had gotten consistent 10 volt peaks when the phone was receiving calls, for all 3 tests. With this phone we received perfect 10.000 volt peaks for the first test, while the second test had 10 volt peaks until the 36.5th second of the test and then fell to a consistent 8.5-8.6 volts.
    • Transmitting calls: When calling(transmitting), the intensity was not detected probably because there was a a very low one like that of the iPhone 5s. It could also be that the antenna needed to be a different length for the phone’s radiation wavelength.
Areas for Improvement

  • Time management could've been better -- we could've had quite a lot of more time for experimenting if we knew each other's schedules and reported to the lab on time.
  • We could've done more research on the topic. Then we would not have to troubleshoot so many problems and could've spent the time doing the actual experiment.

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