# My 5-band shortwave Hexbeam antenna design
    - building instructions (PDF)
    - measured parameters on all 5 bands
    - update of my homebrew hexbeam in 2018
    - instalation (photos)

  # Portable linked dipole for 40m, 30m, 20m, 17m, 15m bands
    - Quick construction guide (PDF)
    - 3D models of insulators (OpenScad, STL)   

  # Practical SOTA - Summits on the air
    - preparations for SOTA activities
    - preparation of navigation tool OSMAND
    - weight reduction of FT-857