Sunday, June 24, 2012

CD wind turbine



Sunday, June 17, 2012

9dBd +1dBbeer Double snake


Double snake 9 dBd 435 MHz




435 MHz Double snake 9 dBd

Very light

V polar
 

H polar



Vibrator:  5-fold  34.5cm
Reflector:  5-fold  36.3 cm
Distance between them 12cm

U Transformer is needed , because char. impedance ~300 Ohm.