On the topic of strobe lights. Any strobe package that you put on the aircraft can cause radio noise. There are three different noise sources. Electrical system backnoise can be caused by the strobe packs backfeeding a frequency into the electrical system. The noise filters that can be found in any avionics/aircraft supply catalog will fix that problem. Another source of radio noise is radiated noise from the high tension leads between the strobe packs and the strobes. Make sure that these leads are shielded against RF interference. The final source of noise comes from the strobe tubes themselves. If the stobes are too close to your radio antenna then the magnetic field generated by the strobe can interfere with the antenna. Hope this is of help to anyone that may be having a problem. Mike
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