By a sample record we show that the radio beacon experiments which utilize the Faraday rotation technique and the scintillation observations can be used to observe equatorial ionization bubbles. In a two‐hour period 5 isolated bubbles have been identified. The depleted total electron content for one such bubble is 2.2×1016 electrons/m² and the east‐west dimension is about 72 km. This translates to a total depletion of 1.6×1021 electron per meter in the north‐south direction.
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