Listener's Guide

Media Archive - Software Defined Radio Demonstration

This is a tour through using SDR to receive HF: @spenchdotnet

HF with ultra-cheap-SDR RTL2832U-based DVB-T USB dongle:

Files are now available on BitTorrent: Please keep seeding!

To use the recordings in GNU Radio, please apply this patch to your WAV File Source first:
Otherwise you will encounter a 'runtime error' as the original code doesn't like HDSDR recordings.

Transmission types covered:

Weather fax (WEFAX)
Flight Information Service
Link 11 (TADIL A)
Over-the-Horizon RADAR
Unknown sweeping 'blocks'
ALE (Automatic Link Establishment)
OFDM (Orthogonal Frequency Division Multiplexing)
DRM (Digital Radio Mondiale)



Links to SDR software packages:

* You can use the cross-platform GNU Radio (used to do the pop-up analyses). It's a very powerful signal processing framework, so you can do almost anything in it:

* HDSDR (the main one) runs on Windows:

* Sigmira (used for STANAG, but also does all the standard analog modes+some other digital ones) is cross-platform:

* There are other Linux/cross-platform ones like:


More Like This In The Shortwave Section

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