Installing a radio or TV antenna can eliminate the need for cable or satellite television service. Many old antennas do not receive the new digital signals, but you can build one that can. This article will tell you how to build antennas. An antenna is an antenna and will not discriminate between digital and analog signals. if the antenna is even semi resonate to the frequency your trying to receive you will hear the transmission, digital or analog. simply use your parents old and weathered antenna on the roof of their house and voilà, you're in business. The receiver is the piece of equipment that will not receive digital signals if it is an analog type and vice versa.