Thursday 15 February 2024

Building Alfred P. Morgan's "A More Selective Crystal Receiver"


As I’ve been seeing a lot of new membership requests on my Facebook Crystal Radio DX group indicating that they wish to build a crystal receiver, I’ve been examining some simple inexpensive circuits that should work well for local reception and possibly even to hear some skywave DX signals.
Since I’ve always wanted to build Alfred P. Morgan’s ‘A More Selective Crystal Receiver’ from his second ‘Boy’s Book of Radio’ ever since first seeing it at around age 10, I chose this as a start.
How did it Morgan’s design work? Could it hear all of my 15 locals and separate them? Was it a DX machine?
I invite you to read about the whole process on my web page, just published today:

Sunday 11 February 2024

New Page On VE7SL Radio Notebook!

Thanks to May (VA7MAY) and Mark (VA7MM) spending the time to scan my 630m QSL card collection, I have now been able to complete their work by posting a dedicated page for the cards.

If you've ever wondered what can be worked on this 'below the broadcast band' MF amateur band, then viewing the cards and reading their comments may give you some insight into its character.

                              The new page can be found here.