XPost: rec.radio.amateur.moderated

VE7SL - Steve - Amateur Radio Blog

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The Crystal Radio DX Contest

Posted: 24 Oct 2021 11:06 PM PDT http://ve7sl.blogspot.com/2021/10/the-crystal-radio-dx-contest.html





I first became intrigued with Crystal Radio DXing several years ago when I happened across the above image showing the Crystal Radio DX Contest setup
of Al Klase, N3FRQ. I was immediately surprised to learn that 'DX' could actually be heard on a crystal radio ... I could never hear anything but
two strong locals on my own crystal set as a kid. I also knew immediately
that I wanted to learn more and hopefully get into the next Crystal Radio
DX Contest!
Back then, the contest was organized by the Yahoo Crystal Radio Group and
then later, by the Alabama Crystal Radio Group. These contests were exceptionally popular and always sparked a huge amount of discussion,
spurred new construction and seemed to create a lot of ‘crystal radio’ excitement in the months leading up to the contest.
Crystal radios can be as simple as a 'single-tuned' set like this, built by Mike Simpson from plans shown in Alfred P. Morgan's "The Boys' Third Book
of Radio and Electronics". Read the nice back-story from Mike about this project! In the right location and with a good antenna, even simple sets
like this are capable of hearing skywave signals.

(courtesy Mike Simpson http://www.analogdial.com)
At the other end of the spectrum are elaborate DX sets like this one, built
by Mike Tuggle in Hawaii.Mike Tuggle's 'Lyonodyne' DX set


Mike regularly hears AM broadcast band stations in Canada and the USA on
his crystal radio from his location in Hawaii ... he explains the details
here.
Recently, along with Doug (K4LY) and Dave (N1DAY), I discussed how we might
be able to again resurrect this popular contest activity and after
countless e-mail exchanges, we’ve now put together just such an event!

Accordingly, we invite any and all crystal radio builders and users to participate in the upcoming Crystal Radio DX Contest to be held from
January 1 through January 8th, 2022!

This date period should provide ample time for new construction to take
place or to make improvements to present radios, while hopefully finding
some nice mid-winter propagation on the broadcast band … half the battle when it comes to DXing with crystal radios.

Some ideas have been gleaned from previous contests to provide a minimum
set of simple rules that will hopefully accommodate crystal radios of all types.

There are two entry classes, ‘OPEN’ and ‘HOBBY’ with guidelines for each.
You will only be competing against others in the same category or maybe
only against yourself if trying to reach a set goal.

In the true spirit of previous contests, it’s more about having fun, optimizing your passive receiving system and creating some great
discussions, both before and after the contest … this really makes every participant a winner in the end.

As an anchor point for discussions regarding this and future such events,
the Facebook ‘Crystal Radio DX Contest Group’ has been created and anyone that might be curious or interested in possible contest participation is encouraged to join.

In no way is this group intended to usurp activity from any present groups
and it should not. It will be a focal point where members can find and
discuss activities generated by the upcoming event. What are you building
or improving for the contest? What are your plans? Share your crystal
radio DXing strategies. Any thoughts or comments related to the upcoming
event are fair game!

The Crystal Radio DX Contest Group can be found here where you can find discussion as well as the rules.
As well, the rules in pdf form, may be found here if you are not on
Facebook.
Hopefully you will consider entering the contest ... it was always an
enjoyable event.

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