The proposed instrument is an improved version of the previously published article “the Indicator of the electric field” [1].STAIRWAY TO HEAVEN
When repairing the roof of rural houses with gable roof arises the problem of how to stay on the inclined plane and perform the necessary work. Dobrodomov regular staircase as shown in the figure, we can safely climb on the roof.










Transceiver SV MJ-2701 company MegaJet is designed for a supply voltage of 12.5 V, which, despite its “special” purpose to work as an automotive MW transceiver with power from the onboard network of the car 12, is not reasonable from the practical point of view and logic. As is well known to experienced Amateurs and professionals, the voltage of the car (meaning a car with a battery voltage of 12
