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



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



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



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....