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Show FOR YOUR NOTEBOOK Use good insulators and solder all connections In the aerial. Headphones should be bought for their ampere turns and not the resistance. resist-ance. Buried metal plate or pipe driven In moist earth can be used as the ground. Metal dials usually increase the microfarads. A common cause of distortion in audio amplification is poorly designed transformers. The length of the aerial is measured meas-ured from the extreme end, and includes in-cludes the lead-in and ground wire. Radio signals are better COO miles from a broadcast transmitter than they are 300 miles, because fading is less and the signal strength is slightly greater. One way to stop a radio nuisance a neighbor who permits his set to oscillate os-cillate continually is to have a petition peti-tion signed and sent to the supervisor of radio in the district. Nearly all interference producers are of the regenerative type In the hands of an inexperienced operator. It Is needless to expect good work from a set unless tbe prongs of tubes are making absolute and firm contact with the tube socket springs. The least looseness of contact means trouble. Antenna and ground leads to the set should be as far apart as possible. Keep one at right angles to the other If you can. I , |
