ANTENTOP- 01- 2014 # 018

Antenna UA6AGW V.40.20

Aleksandr Grachev, UA6AGW

The experimental antenna made on the base of previously described versions of the Antenna UA6AGW for 40- meter Band. Aim of the experiment was to reduce the room that the horizontal wire takes. For the purpose one of the horizontal wires was bended. Figure 1 shows schematic of the antenna.

Antenna was tuned (by C2) to the 40- meter Band and connected to my transceiver. It was found that the antenna lost its symmetrical properties. Electrical noise appeared at receiving mode. At transmitting an RF- Voltage appeared at the transceiver cabinet. However it was possible corrected (return symmetrical properties back) by lengthening on 10 percent the bended horizontal wire.

Diagram Directivity was taken for the antenna. DD of the antenna looks like an ellipse. Receiving from the sides of the ellipse is lower on 3- 6- dB. Receiving from the bended horizontal wire is lower on to 10- dB.

Summary: It was made simple, easy to do and tune antenna with directional properties.

73! UA6AGW

Figure 1 Antenna UA6AGW V.40.20

www.antentop.org

Page- 42