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An SDR front end that covers the HF band and interfaces with a PC.


Part One - The QPD (Published in January 2022 edition)

Part Two - LW and MW (Published in February 2022 edition)


Part Three - Single band operation (Published in March 2022 edition)

​Part Four - Fixed operation  (Published in April 2022 edition)

Part Five - Covering 3-30 MHz (Published in May 2022 Edition)

Part Six - Towards an all-band HF receiver Part A (Published in the June 2022 edition)

Paper Seven - Towards an all-band HF receiver Part B (Published in the July 2022 edition)

I have some spare parts / PCB's - list is here

​​Updated - 12 July 2022

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