Testing and Tuning of Antennas Using Antenna Analyzer

ab cd

Senior Member
Test Results for Cantenna, Using Antenna Analyzer N1201SA.

Test Setup

R, X, VSWR, S11

VSWR vs Frequency Sweep Plot. Marker at 1090 Mhz


ab cd

Senior Member

(1) Spider with horizontal radials, Impedance = 26 ohms, SWR=1.9
(2) Spider with slanting radials 45 degrees, Impedance = 67 ohms, SWR=1.3
(3) Spider with vertical radials, Impedance = 73 ohms, SWR=2.2

spider horizontal radials.jpg

spider slanting 45 radials.jpg

spider vertical radials.jpg