VerDip_20m_Results
VERTICAL DIPOLE 20m RESULTS
Medium Impedance: 30 ≤ Z ≤ 100
Since there is only one group of measurements for this antenna on 20m, evaluation is simple. The main chart above shows the ranking by relative efficiency.
Except for the "famous" Johnson Viking Matchbox, all matchboxes had a maximum unbalance of 4%. Again, we can't say how good or bad this is.
The clear loser is the JV Matchbox!
With SWR in the medium impedance range, any of the top 6 matchboxes is good enough, provided you use the correct EXTERNAL balun with those requiring a balun. Nobody on the planet can hear the difference between full power and a matchbox losing 10% of its power.