SEØX in CQWW CW This Weekend!

SEØX will be activated by me, SM0MDG, in the CQWW CW Contest this weekend. I will be entering in the SO-HP non assisted category with the goal to improve the scores from last year. The new 40 meter vertical phased array will be put to the test, but I will be on all bands. GL

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K3 Enhancement: DSP APF – Audio Peaking Filter

Elecraft recently announced that they are adding an Audio Peaking Filter (APF) to the K3 transceiver. The DSP APF filter  is modeled to perform like analog APF filters such as the praised one found in early Yaesu FT-1000D transceivers. The filter is easiest described as the opposite of a notch filer as it applies gain

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