Ulis K3LU @UlisK3LU
FCC Experimental License Grants Show Interest in HF Spectrum @SWLingDotCom @LondonShortwave #shortwave #hamr radioworld.com/TabId/64/Defau…
EDN.com @EDNcom
RT @spiraljetty: Make high-quality double-sided PCBs – at home | EDN edn.com/design/pc-boar…
London Shortwave @LondonShortwave
Morse Code learning is good for the brain: ncbi.nlm.nih.gov/pubmed/2034639… @UlisK3LU @SWLingDotCom
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