Hello! I am starting new series describing my ventures to the digital radio world. I will be using the weekend down time to do, try, photograph and write short articles on the matter.
But do not expect many of them. I do not own HF equipment yet, and my patience with installing PC programs that do not work has worn out. So, I am new to Smartphones so I am still like to play with them. And we better have something to do with them when the lights turn off, don’t we?
If you haven’t heard of RTL-SDR receivers for your PC, the basics are these. One gets an dirt cheap RTL TV dongle and uses it with a freeware program like SDRTouch to scan the VHF & UHF spectrum. Practically some people repurposes them by writing their own programs for scanning.
The output is then displayed on the screen with the mesmerizing view of a rolling waveform graph.
PC running SDRSharp Screen Grab
Then things get more complex as they develop the programs to scan by their own, plugins to record, filters to de-noise, and plug-ins to decode digital modes.