Vector Network Analyser
A must if developing aerials
Measuring my 60 mtr aerial
Red line is Reflected Power and blue line is Resonance. Smith Chart shows red dot in the center at 50 OHMs resistive, anything to the right is high resistance, anything to the left is low resistance. Anything to the top is inductive reactance and anything to the bottom is capacitive reactance.
Understanding the NANO SAA2N VNA: