My Drawings And Cards !

Hi ! My name is Sophia and I love to play tennis and to draw!

The first QSO was with WB7NZI and KC7KIU on 3,998 kHz at 9:35 PM PDT July 28 2021

The latest QSO is with British Columbia Public Service Net (BCPSN), streamed to Youtube 2021-12-29, net side and my side (70wt linear PA). This is the latest embedded software, no filtering or other tricks, but with all defects fixed. Previous audio artefacts are gone:


The latest QSO is with British Columbia Public Service Net (BCPSN), streamed to Youtube 2021-12-29, net side and my side (70wt linear PA). This is the latest embedded software, no filtering or other tricks, but with all defects fixed. Previous audio artefacts are gone:


The second QSO was with BCPSN 2021-07-29, only my side was recorded:


BCPS Net was streaming to Youtube 2021-08-04, net side and my side (70wt linear PA). Compare the audio and panorama of my VA7KL with VA7QB (ICom7300 100wt) and VE7CRT (KX3+KXPA100 100wt), from nearby QTH:


BCPS Net was streaming to Youtube 2021-08-11, net side and my side. Compare my VA7KL with VA7QB and VE7BCJ from nearby QTH:



Development board (for sale, I have a few of them):



Control & Indicators board, static, I2C driven:




References:

[1] https://en.wikipedia.org/wiki/Single-sideband_modulation

[2] https://en.wikipedia.org/wiki/Hilbert_transform

[3] http://pe1nnz.nl.eu.org/2013/05/direct-ssb-generation-on-pll.html

[4] https://groups.io/g/ucx

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