Crystal Radio

Stay Tuned

(Crystal Radios, Crystal Set, Crystal Sets, Catswiskers, Science Fair Crystal Radios, Cub Scout Crystal Radio,and much more!)



Welcome to the "Stay Tuned" Crystal Radio Web Site

Dedicated to the preservation, experimentation, and advancement of crystal radios.

This is a noncomercial website. In other words........We don't sell anything!







Electrical Circuits Explained

It does a great job of explaining electrical circuits and has a ton of other

electronics/engineering projects to play with!





How A Crystal Radio Works

How radio waves work, and how is the sound transmitted over a radio wave

Web Based Calculators (no need for Excel)





Contests and Interests

Crystal Radio Plans and Projects





Crystal Radios for the "Beginning Builders"



The Pack 57 Buffalo Den Crystal Radio



How to wire a variable capacitor





Now includes both a simple single gang and a double (two) gang variable capacitor











Crystal Radios for the "Intermediate Builders"

Performance Sets and DX Crystal Radios





Giant 8 foot - High Performance - Loop Crystal Set for DX

Like to see your radio up here? email me!

None "Performance" Crystal Sets

Fun Tips

Projects





Parts and Suppliers

Crystal Radio Museums

Reproduction Crystal Radio Equipment

Items of "Crystal Radio" Interest

Crystal Radio Terminology (terms used with crystal radios)

















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By Dejan Momirov





These calculators do not require Microsoft's Excel to run. They are web based!

Older Tools

To other websites.

Click Here



To other suppliers

Click Here





Memory Lane













Take a look. Just about every type Suundpowed Headset and handset made.Also, many magnet headphone (collections) All for saleSee some of the work benches and area used to make some of these radio's.Caution....Some benches might be disturbing!! LOLIf you have a photo of your "bench" or "Area" you could share with us,let me know and I will post it here!All you new builders, come on, lets see your benches!See some of the dx rigs being used!(Crystal Radio Plans ,Circuits, Schematics and Projects)Try one of these radios out. Some old, and some new.Also the original Patent papers for a "Umbrella Crystal Radio from 1928A Cub Scout Crystal Radio Project by Tom Mohr (N9JLF)Everything you need to know about building a crystal radio with Cub Scouts.Build everything from scratch ! Everything!Coming Very Soon!Want to see a preview? OK, but it's not done yet!Try this list of common mistake beginners have with their radios.What they look like and doIf it is your first radio, I highly recommend the "Beginning Builders" first.Here is a nice Variometer Crystal Set from the book‘The Boy’s Book of Wireless’ by Ernest H. Robinson (1923)Built and adapted by John Hassell (VK6JAH)‘The Boy’s Book of Wireless’ by Ernest H. Robinson (1923)Another radio built and adapted by John Hassell (VK6JAH)If you have a set that might fit in here, email me - The Lyonodyne 17 by Mike Tuggle DX Crystal Radio #1Mike's award winning DX radio, the famous "Lyonodyne"designed by Steve BringhurstBaldyodyne(TK3) Designer Steve BringhurstBuilt by Darryl Boydby Steve BringhurstBaldyodyne(TK2) Designer/Builder Steve Bringhurst.by Mike TuggleMike has modified the MRL® #39 and Mystery Crystal Setto come up with this new radioHe has added more info as of 18 June 04!!New Again!!by Mike Tuggleby Josh Young.This is a must see! Lots of neat tricks!Stalinist Era Russian Crystal SetSchematic of the "Rocket Radio"Also, Turbo charge your "Rocket Radio"Simple and Easy to UseBy Mike TuggleBuild this formless high performance spider web coil.Uses an old CDrom disk as the removable coil formBuild A Classic Oats Box RadioWith Images of Early Oats Boxes To Dress Up Your Radio !! Salt Box Crystal Radio from our friends at Morton SaltBuild A Classic Salt Box RadioWith Images of Early Morton Salt Boxes To Dress Up Your Radio !!Pacent Model 30Many new images addedParts for crystal radios - diodes, air variables, wire,xformers, ear plugs, headsets, literature, styrenelow melt alloys for mounting crystals, etc.continuously updatedSound Powered, Magnetic Headphones, and Misc. Crystal Radio PartsVirtual museum of crystal radio sets!Virtual museum of crystal radio adjustable detectors also called "Catswiskers"Virtual museum of tins and containers that crystals came in.Virtual Mineral MuseumBeautiful radio built by Hamish Gallowayby Darryl Boydby Hamish GallowayThis is a work in progress. I need a little help here!by Felix ScerriQueensland, AustraliaThe Model 711-16 "The Gulp"by Mike TuggleSound Powered Headphone and Handset Web Pages. Sound Powered headphone are excellent for use on crystal radiosrinted in the 40's for W.W.II. Theory of operation, breakdowns, drawings, and repair and maintenanceThe "UltiMatch" by unit has been improved!The New "UltiMatch 2" is even more versatile!Convert your old "UltiMatch"!New Stanley Match(Data, Schmatics, and where to purchace)ll new techniques and photos. This page is geared to an RCA,but the techniques are the same for all elementsThis article shows how to rewind the "bobbins" inside a set ofDLR No.5 balanced armature headphones to increase theimpedance of the unit.Replace those old smelly or "gummy" ear cushions on your decktalkers(Mine and not for sale)For the budget and or technically challenged.A little more money and time.1920's Battery Radios and Transistor PlansAll New Tube Radio Plans Web Page.Quite a few new radios added.1 added 26 September 2004This section is new and includes a VLF ReceiverIf it don't fit into the other categories, you will find it here. Very interesting projects!Impedance Match Any Headphones to Any Radio.Build this circuit and run some Sound Powered headphones on a batteryradio, and go for the DX!!!If it don't fit in the other categories, this is where it goes!This is where I put things that are not plans of any kind.They just caught my interest as I went through different magazines I've purchased and donated itemsAdded New Ads 17 April 05The Model 711-16 "The Gulp""Professor Coyle" Web Based Calculatorsby Dan Petersen (Special Thank's To Dan for allowing eveyone to enjoy these for free!)Stay Tuned is pleased to offer Dan Petersen's "Professor Coyle" calculatorsThe following webpages were edited to HTML from the original Excel filesIf you have Microsoft's Excel (or equiv.) Then download this file and you can work off line!ID a diode by it's color bands, much as you would a resistor)These pages were part of another web site having nothing to do with crystal radios. They were split off the other web siteand were the start of the present web site dedicated to crystal radios only. I added the crystal radio plans section and thename "Stay Tuned" and "Stay Tuned" was born and on it's own.Web site built in end of 2000. Announced open by Owen Pool on 6 Jan 2001