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Showing posts with the label 2 Meter Loop Antenna.

Simple Ham Radio Antennas--2 Meter Loop Antenna. Post #798.

If you're having difficulty viewing this video, please insert this title link into your browser search box: https://www.youtube.com/watch?v=ZEzSlUqPEWw.  Sometimes, a mistake can turn out to be something interesting and useful.  In this video from KB3TQO, an experimental 70 cm loop antenna was enlarged by accident and turned into a nice, wide banded loop antenna for 2 meters.  As some readers have pointed out, the antenna may be wide banded because of the ferrite balun used in the antenna.  At VHF frequencies, this balun will serve as a dummy load, leaving only a few watts or less to become a usable signal.  The antenna would be more efficient if the 4:1 balun was made from coaxial cable. However, the antenna tunes nicely, presents a good load to the transceiver, and does get contacts on the 2 meter band. Part of the fun of amateur radio is designing antennas such as this, even if there are significant losses in the design.  We learn from our mistakes. With a few minor changes