The station normally operates a directional array both day and night.

The mast radiators are in a directional array, using three towers in the daytime, and all four at night.

At night, the antenna system uses three towers arranged in a directional array that concentrates the signal towards the east.

It consists of 3 free-standing lattice towers, arranged as a directional array, insulated against ground.

"Directional array?"

Japanese researcher Hidetsugu Yagi also investigated wireless energy transmission using a directional array antenna that he designed.

"The streets in this city"- Niall tapped the vehicle directional array with one finger-"would make a plate of spaghetti look organized."

Snodgrass installed a directional array off San Clemente Island, just off the California coast.

KCPS has a directional array consisting of three 214-foot towers and a daytime power output of 500 watts.

It previously only operated during the day only, but was later allowed to continue broadcasting during the night in 1979 by construction a four tower directional array.

Directional array refers to multiple antennas arranged such that the superposition of the electromagnetic waves produce a predictable electromagnetic field.

The antenna was originally a six-element directional array in the city of Santee off of Mission Gorge Road.

Today Emerald Hills is still the home of the KOGO transmitter, and its two-tower directional array.

The remaining 330 feet were stored on the site, with the intention of creating a directional array; World War II interrupted the project, and it never resumed.

In February 1926, Yagi and Uda published their first paper on the tuned high-gain directional array now known as the Yagi antenna.

Smithgall installed a three tower directional array on what was a cow pasture on Rainbow Drive, just north of the Gadsden Country Clubs' golf course.

The directional array forms a dual lobe pattern extending East-West from around Morgantown to around Everett[1].

WMAX was reassigned from Grand Rapids to Kentwood when a new night-time directional array was added in 1984.

WGMP broadcasts with a Continental Electronics transmitter at 10,000 watts (daytime) into a two-tower AM directional array.

Both stations were simulcast before WQRO was closed with a dark license later that year and one of the two towers in its directional array was dismantled.

The KCLN AM antenna uses two towers arranged in a directional array, concentrating the signal north-south along the Mississippi River.

In 1939 a 91.4 m mast was built on the south side of the station, which along with the existing south T-antenna made a directional array pointing towards central London.

During daylight hours, KCFI uses two towers in a directional array that concentrates the broadcast signal southeast toward Cedar Rapids, Iowa.

From the 11:00 PM to 4:00 AM critical hours the station transmits with a three-tower directional array pointing due west into Siberia and airs Russian language programming.

Geographically close co-channel or adjacent channel stations employ directional arrays (or a single directional antenna) so that other broadcasters may utilize the same or adjacent frequency.