vlf

  1. J

    SDRplay announces a new SDR receiver - the RSPdx

    SDRplay has announced a new SDR - the RSPdx: The RSPdx is a replacement for the highly successful RSP2 and RSP2pro SDR receivers, which have been extensively redesigned to provide enhanced performance with additional and improved pre-selection filters, improved intermodulation performance, the...
  2. ladn

    VLF: novel compact antenna developed for communicating where radios fail

    "A new type of pocket-sized antenna, developed at the Department of Energy's SLAC National Accelerator Laboratory, could enable mobile communication in situations where conventional radios don't work, such as under water, through the ground and over very long distances through air. The device...
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