An electronic countermeasure transceiver including a receiver for sequentially receiving a plurality of signals in respective frequency sub-bands. The photo sensor can also be place in front of the light source to detect the color deviation and to compensate the deviation by adding or subtracting the value of the corresponding color component which has color deviation. Fast moving air and water create fine water droplets within the water atomization chamber of each barrel. The non-loaded rib is then tensioned to not float up as high. A drill string actuator may be controllable through the downhole receiver. 2 MPa is applied to at least one portion of the outer surface of the block obtained in step d), the compression operation beginning at a temperature above the temperature at which, in said block, tetragonal zirconia is converted to monoclinic zirconia or \u201cphase transformation temperature\u201d, and ending at a temperature below said phase transformation temperature.