K9AY feeder with BPF

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!Locating Your K9AY Loops * Since you have chosen a small receiving antenna, it is likely that your transmitting antenna will be nearby. Transmitting antennas, power lines, towers and other nearby large conducting objects can re-radiate signals that are coupled to the receiving antenna. To avoid this problem, locate the K9AY Loop as far from the transmitting antenna as possible. Because the loop is small, it is often possible to place it among trees or shrubs in a front or side yard, while the transmitting antenna is in back. Another way to minimize the interaction is to locate the loop toward the most important direction you want to hear. For example, if you are most interested in hearing Europe from the US, locate the loop Northeast of the transmitting antenna. When pointed toward Europe, the null will be in the direction of the transmitting antenna, reducing the pickup of re-radiated signals. Some European users of the K9AY Loop have chosen single loops, placing one of them Northwest of the transmitting antenna to hear US stations, with another East or Northeast to hear Asia and the Far East. [source K9AY: AY Technologies|https://www.aytechnologies.com/TechData/HowToBuild.pdf] * '''Controller is universal for 0 or 45 deg orientation:''' [more info there|https://qro.cz/remoteqth/wiki/index.php?page=K9AY+and+Bi-dir+beverage+controller]
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