Patrizio seeks information about mystery signals he’s discovering across the HF bands
by Thomas from on (#6GW4F)
Many thanks to SWLing Post contributor, Patrizio Cardelli, who has discovered some interesting signals on the HF bands and is seeking information about them. A little background: Patrizio asked me about these signals a few weeks ago and based on a quick glance at the spectrum and waterfall images I assumed it was DRM (Digital [...]