Step 3Tune in
Make sure your transmitter and radio receiver are at least 2m apart to avoid tuning in to a harmonic frequency. Switch on your radio and tune the radio in to the transmitter. This should be broadcasting on a frequency between 88 and 91 MHz FM, transmitting silence.
It is difficult to be accurate here as: a) the frequency can very depending on atmospheric conditions and b) the scale on your radio might be calibrated differently to the scale on my radio, so would give a different reading of what frequency it is receiving on.
If you are having difficulty tuning in, you may need to retune the transmitter, which is described in step 5.
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