Testing and Tuning of Antennas Using Antenna Analyzer

ab cd

Senior Member
#1
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
#2
TEST RESULTS, SPIDER

(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