Spectrum of a keyed DSW40 (SM4MJR) on 7 MHz.

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Spectrum of a single key-down for a DSW40 (SM4MJR) on 7 MHz.

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Spectrum of a single key-up for a DSW40 (SM4MJR) on 7 MHz.

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Time domain signal (complex format I and Q) for a DSW40 (SM4MJR) on 7 MHz when keyed at 30 Hz. The origin of the keying clicks is obvious....

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