About KF7ATW

I’m Jeff Records, an amateur radio operator based in the Pacific Northwest. My callsign is KF7ATW.

Interests

  • RF Engineering — signal analysis, antenna design, and propagation
  • Digital Modes — FT8, JS8Call, WSPR, and packet radio
  • SDR — software-defined radio experimentation and development
  • Hardware Hacking — repurposing consumer electronics for RF applications
  • Open Source — building and contributing to ham radio software tools
  • Security Research — RF security, surveillance detection, and spectrum analysis

Contact

73 de KF7ATW