Content in the TECHNICAL category

Content (e.g. blog posts, information pages, and files/links) about the activities of the RRRA Technical Committee and the equipment/systems they maintain, along with technical topics of general interest.

An Inexpensive Introduction To 10GHz Microwave

Amateur Radio Operators in the United States have access to a large amount of microwave spectrum:

  • 1.24–1.3 GHz
  • 2.3–2.31 GHz
  • 3.3–3.5 GHz
  • 5.65–5.925 GHz
  • 10.0–10.5 GHz
  • 24.0–24.25 GHz
  • 47.0–47.2 GHz
  • 76.0–81.0 GHz
  • 122.25–123.0 GHz
  • 134–141 GHz
  • 241–250 GHz
  • All above 275.0 GHz [ 1 ]

This spectrum is available to all Hams, Technician class and up, and is a great place to contribute to the advancement of the radio art through experimentation and homebrewing. It also needs to be used or it will be given away.

New FT8 Mode included in WSJT-X Beta Release

WSJT-X version 1.8.0 includes a new mode named FT8

This mode features:

  • QSOs 4 times faster than JT65 or JT9
  • Sensitivity down to -20 dB on the AWGN channel
  • Auto-sequencing includes an option to respond automatically to first decoded reply to your CQ

WSJT-X source code; along with installation packages for Windows, Linux, OS X, and Raspbian; is available for download at http://physics.princeton.edu/pulsar/K1JT/wsjtx.html