When you think of directional ham radio antennas, you probably think of a Yagi, cubical quad, or a log-periodic antenna. These antennas usually are in a horizontal configuration up on a high tower.
If you are looking for a fun project while you are cooped up and you have some spare coathangers, why not try this 4-element Yagi antenna (PDF)? [Pete N8PR] showed it off at his local ham radio ...
The RCA Compact Yagi Outdoor antenna is a directional antenna that is best suited for rural areas with hard-to-reach UHF and VHF signals. It’s a great pick if you want to put your antenna in ..
HUBER+SUHNER has been chosen to supply Thales with a range of trackside and on-board antennas and cables to support the communications-based train control (CTBC) system of the New York City Subway.