Antennas

Theory

• Reciprocity: a pep-talk for the little pistol
  
• Baluns and antennas
• The geometry of skywave propagation
• "Making sense of antenna VNA measurements with the aid of the Smith Chart"
• This is the pdf of a presentation I made at the CDXC Convention 2021

Practice

• The mult-band vertical at G4KNO
• A receive-only active loop antenna for 80m
• Receive-only broadband active loop antennas
• Tower project