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Home  Other Publications  Download Editions  RSGB Handbook of Radio Communication Chapter 20 Download - Data communications


RSGB Handbook of Radio Communication Chapter 20 Download - Data communications

RSGB Handbook of Radio Communication Chapter 20 Download - Data communications
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15th Edition

Data communications

With the advent of the personal computer (PC), the whole amateur data communications field has grown to encompass a lot more than exchanging hand typed messages. What has made this possible is the rapid growth in what are usually referred to as soundcard modes. The computer's audio ports are interfaced to the radio so that the PC generates audio that is subsequently upconverted to RF, usually using the radio in SSB mode. On receive, audio is fed into the PC and after digitisation of the analogue waveform, the power of Digital Signal Processing is used to do all of the signal processing. Transmit/receive switching is also usually placed under computer control with another interface line, allowing data mode operation to take place without having to make regular changes on the radio.

NB This mini-book download has been optimised for use with Adobe Acrobat. Reading of it in other PDF readers or browsers may cause unwanted behaviours, so is not reommended. A free Windows edition of Acrobat Reader can be found here along with links to editions suitable for other operating systems.

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