A log-periodic antenna. This one is good for 250 to 2400 MHz. Schwarzbeck Mess-Elektronik, CC BY-SA 3.0. There’s another type of antenna similar to the Yagi-Uda array, which looks extremely ...

Each is connected to a log-periodic antenna to greatly increase the range of the repeater along the direction of the antenna. These antennas are highly directional, but they allow [Peter] to ...

785MHz, 920MHz, 1.3275GHz, 1.9475GHz, 2.345GHz, 2.59GHz Log Periodic RF Antenna 690MHz ~ 880MHz, 880MHz ~ 960MHz, 960MHz ~ 1.695GHz, 1.695GHz ~ 2.2GHz, 2.2GHz ~ 2 ...

Effects of the earth. Reciprocity, receiving antennas, effective length and area. Moment methods. Arrays: collinear, broadside, endfire. Array synthesis. Mutual coupling. Log-periodic and Yagi arrays.

Antenna Experts is a prominent manufacturer of reliable antennas. The company has announced the launch of its new series of ...

including the isolated antenna, the two-element array, the circular array, curtain arrays, Yagi and log-periodic arrays, planar arrays and three-dimensional arrays. Coverage includes analysis of ...

Antennas are mechanical components which either transmit or receive radio frequency signals. For transmission, an oscillating RF electrical current is fed to the antenna's terminals, where the conduit ...

Here’s how it works. I couldn't live without a TV antenna. It's as important to me as any streaming service because it allows me to watch sports, sitcoms and news without having to pay a monthly ...

The best indoor TV antennas let you receive free over-the-air broadcast TV channels without having to install a large outdoor antenna on the roof of your home. You’ll find that the main ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

Want to learn more about this centerpiece of chemistry? Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles, and check out ...

Cylindrical arrays lie at the heart of the antenna systems of most major radio communication systems, including broadcasting networks, cellular phone systems and radar. Here, the authors present ...