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    2024 IC-718 broadband transmit modification wanted

    Icom released a version of the IC-718 referred to as the "2024" version, which supposedly has some new digital IF filtering. One odd thing is the manual for it still references additional crystal filters, which no longer available. I don't know how different it is from the previous US version...
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    Ignition noise.

    Both resistor wires and spark plugs age. Some resistor plugs burn out the resistor, leaving a spark gap inside of the spark plug. I think (Chinese?) Autolites might be famous for this. Old spark plug wires can leak interference. Before high energy electronic ignitions, it was either resistor...
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    Noise Blankers that actually Work?

    There is a big difference between a noise blanker and automatic noise limiter. An automatic noise limiter is usually just some capacitors to reduce high frequency noise in the audio and causes little to no distortion and can be kept on. A noise blanker is an active electronic circuit that...
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