- Vibroplex bug serial numbers how to#
- Vibroplex bug serial numbers manuals#
- Vibroplex bug serial numbers code#
Once the Vibroplex patents expired, a number of companies started to manufacture them, most of which were in Asia.Īs a result they were all based around the same basic structure, and this means that once someone has mastered sending Morse code on one bug key, then it is easy to transfer from one type to another. Virtually all mechanical bug Morse keys have the same basic structure.
A modern version of the original Vibroplex Morse key Bug key construction In addition to this, some telegraphy enthusiasts also use and collect them. Today, the main market for bug keys is for radio hams who use them for establishing two way radio communications via Morse code around the globe. Nowadays, electronic keyers are more popular and demand has fallen considerably with the result that Vibroplex is again the main manufacturer.
The Vibroplex key patents have now expired and for some time, a number of manufacturers made various forms of these keys. They were the first form of automated key and they were able to produce a series of dots when the lever or paddle was moved to the right.Īs they were able to send the series of dots using a single movement, they considerably reduced the strain on operators, many of whom suffered from a condition called "Telegrapher's Cramp" which today would be referred to as repetitive strain injury.Īlthough the Vibroplex bug key was initially intended for telegraph operation, when Morse became widely used for two way radio communications, the Vibroplex key was adopted for this role as well. Vibroplex or mechanical bug keys have been used for many years.
Vibroplex bug serial numbers how to#
What is Morse code How to learn Morse code Morse code table / chart Morse code keys & keyers How to use & set-up straight Morse key How to use & set-up mechanical bug key CW QSO Founded in 1947, Hi-Mound builds economy priced straight keys and iambic paddles suitable from the beginner to the long time ham operator.How to Use & Set up a Vibroplex or Bug Morse Key Using and setting up a mechanical Morse key or Bug key like a Vibroplex is not as simple as that of a straight key and certain precautions need to be taken when it is used for radio communications applications. Vibroplex® is the exclusive USA/Canada distributor. Where do you get vibroplex morse code keys?
Vibroplex bug serial numbers manuals#
W7FG VINTAGE MANUALS - 17,000 titles for hard to find or out of print documentation for vintage radio, audio, military and other electronics equipment. Vibroplex ® is the exclusive USA distributor. Who is the only distributor of vibroplex manuals? You should see an image of a bug like yours. To confirm the identification, go to the Models page and click on the image. Finally, this table will tell you which model you have. A "Simple" damper is one without the loosely-mounted wheel. The result is an assembly that looks like the letter I. How can i tell what model of vibroplex i have? The impetus for automatic keyers and the Vibroplex key was provided by the fact that many telegraph operators suffered from a condition known as "Telegraphers Cramp" or paralysis. The Vibroplex is now established as a classic semi-automatic mechanical bug Morse key, but it was not the first or only type of bug. Frequently Asked Questions What kind of bug is the vibroplex key?