The bandpass filters for Azores Island Hunt arrived

The bandpass filters for the Azores island hunt arrived today. The filters are of W3NQN design. Team Norway are going to have two stations on air at the same time from the same location in the Azores, so these filters will be crucialwe think. I will try to do some S21 measurements with my vector network analyzer on them to verify 1) Filter characteristic, 2) Stop band attenuation, 3) Return loss

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