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I'm trying to receive some a distant FM stations, but I have locals 0.1Mhz
away that block the desired station out. I could try to use a big gain directional yagi, but perhaps the solution is to make use of a null. Anyone know of any antenna system that would produce a real good null in the FM band? Would that be to try for a cardoid pattern? Or is there something better than that? Detail: Intended Coord.of Interfering Coord.of Angular station + antenna station + antenna sep. of Freq. Freq. stations Mhz Mhz from my QTH ------------------------------------------------------- Scarboro' 00w24/ RadioAire 01w34/ 45 96.2 54n16 96.3 53n44 degrees Bridlington 00w12/ Pulse FM 01w45/ 114 102.4 54n05 102.5 53n48 degrees Whitby 00w36/ Sunrise Radio 01w45/ 75 103.1 54n29 103.2 53n50 degrees As you see the seperation between the wanted stations and the interfering stations range from appx.45 degrees to 114 degrees. Intefering stations are always anticlockwise to the wanted station, but perhaps that makes no div. BTW I think the Bridlington transmitter antenna coordinates are 00w12/54n05. Wonder if anyone can confirm this. Data obtained from: http://www.ukwtv.de/fmlist/countries.html Where Bridlington is on107.4 Mhz, which is now incorrect, because Bridlington is on 102.4Mhz. TIA.Rich. |
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EZNEC and Invalid Use of Null | Antenna |