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SignaLink True CW Keying

What’s a SignaLink?

A SignaLink is a small unit manufactured by Tigertronics which functions as an interface between a computer and transceiver to enable the use of digimodes. The latest version of the SignaLink connects to the computer using a standard USB cable. The connection to the transceiver is made by a RJ45 (ethernet) socket on the rear of the unit. The other end of the RJ45 cable is terminated to suit the radio. Wire jumpers inside the unit allow the SignaLink to be used with any radio. Tigertronics also supply pre terminated RJ45 cables and pre-configured jumper blocks. Read Complete Article...

Build a Simple Serial Port Interface

What is a serial port interface?

In simple terms, a serial port interface translates signals from a computer serial port to be used to place a transceiver into transmit or send CW (morse code) characters. A computer serial port usually has 9 pins, although some older PC’s may have 25 pin serial ports fitted. Both types carry out the same function, the only difference being the size and the pin connections. As it’s name suggests, a serial port sends data serially, in other words, each piece of data is sent one after the other. Read Complete Article...

Audio Processing Rack

The Audio Processing Rack

In order to improve the quality of the transmitted audio, I have invested in a good quality microphone and a few items of audio processing equipment. Of course, this is my personal shack setup, and other people will have different ideas about what sounds good to them and how to set up their particular choice of equipment. Read Complete Article...

Behringer Xenyx 802 Mods

Behringer Xenyx 802 mixer

The 802 audio mixer from Behringer is a basic and compact unit designed primarily for home/hobby use. While all the basic needed features are included, it does lack some of the extras found on larger mixers. A really useful function of any mixer is the ability to send the audio signal out of the mixer to an effects unit and then have the signal return to the mixer for level adjustment. Read Complete Article...