PDS ELECTRONICS, INC.

AFHD-4

Antennas;AFHD-FOUR;

ANTENNA DESIGNER

Computer software for defining and analyzing existing or future materials specifications of high performance, long distance antennas using HF, VHF, or UHF frequency bands for parasitic and all-driven arrays, including stacked yagi and log-periodic designs, for determining the resonant frequency of such antennas and its relationship to size, and for determining wind speed survivability of long distance antennas;ANTENNA DESIGNER;

BUTTERNUT

Communications Antennas-, namely, HF [ and VHF ] Vertical Communications and Amateur Radio Antennas;

DX ENGINEERING

The mark consists of the letters DX with curvilinear lines to the right thereof representing sound waves and the word ENGINEERING underneath said lettering.;Amateur radio antennas, namely, high performance, long distance antennas using HF, VHF or UHF frequency bands to obtain optimum gain through control of take-off angle, voltage standing wave ratio and antenna pattern; antenna parts therefor, namely, parasitic and all-driven arrays, Yagi stacking switches and vertical antenna array combinations which allow instant directional switching and simultaneous coverage of two paths; and antenna peripherals, namely, Yagi phase boxes, vertical phase boxes, side mount phase boxes and remote coaxial antenna switches; time variable sequence units; active receive antennas with internal antenna disconnect relays; current baluns and feedline current chokes; reversible beverage antennas, and noise canceling controllers;Color is not claimed as a feature of the mark.;DX ENGINEERING;