Anyway to have an objective appraisal the old and new
antenna it needs to do A- B test. I did not do it. Unexpectedly
I found that the antenna at some days have received lots industrial
electrical interferences. Because of it and because of I need
the 40, 30 and 20 meter Band the antenna was de- configured to
the classical design. Though sometimes it seems to me that the
antenna (with additional wire) worked very well at 17, 15, 12 and 10 Meter Bands. May be at some days
I return back to experimenters with Beverage Antenna with additional wire at termination load.
Next my experiment with my Beverage Antenna was simple.
Under the antenna I installed a copper wire that connected together
ground at feeding transformer and ground at termination load.
shows design of the Beverage Antenna. At early times when I experimented
with Beverage Antenna I noticed that such additional wire very
often improved efficiency of the Beverage Antenna. Parameters
of the antenna were simulated with NEC for MMANA. Table 3 shows the data for the antenna. Maxima
gain is given to the radiation angle at where it is.
DD of modified Beverage
Antenna with additional
wire at termination load at 10- Meter Band