enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Rubber ducky antenna - Wikipedia

   en.wikipedia.org/wiki/Rubber_ducky_antenna

   The rubber ducky antenna (or rubber duck aerial) is an electrically short monopole antenna, invented by Richard B. Johnson, that functions somewhat like a base-loaded whip antenna. It consists of a springy wire in the shape of a narrow helix , sealed in a rubber or plastic jacket to protect the antenna. [ 1 ]

3. Television antenna - Wikipedia

   en.wikipedia.org/wiki/Television_antenna

   A 'whip' antenna at the side of a Casio portable TV. Some portable televisions use a whip antenna. [6] This consists of a single telescoping rod about a meter (3.3 feet) long attached to the television, which can be retracted when not in use. It functions as a quarter-wave monopole antenna. The other side of the feedline is connected to the ...

4. Ad-ID - Wikipedia

   en.wikipedia.org/wiki/Ad-ID

   Ad-ID was developed by the American Association of Advertising Agencies and the Association of National Advertisers, Inc., (ANA), Ad-ID uses the TV standard, ISCI commercial coding system in its monetization model. The ISCI code is an 8 character alphanumeric code (four alpha prefix followed by four numbers) in use since 1970.

5. Emergency service response codes - Wikipedia

   en.wikipedia.org/wiki/Emergency_service_response...

   Code 1: A time critical case with a lights and sirens ambulance response. An example is a cardiac arrest or serious traffic accident. Code 2: An acute but non-time critical response. The ambulance does not use lights and sirens to respond. An example of this response code is a broken leg. Code 3: A non-urgent routine case. These include cases ...

6. Industry Standard Coding Identification - Wikipedia

   en.wikipedia.org/wiki/Industry_Standard_Coding...

   Industry Standard Coding Identification (ISCI; / ˈ ɪ z k i / IZ-kee), also known as Industry Standard Commercial Identification) was a standard created to identify commercials that aired on TV in the United States, for ad agencies and advertisers from 1970.

7. Whip antenna - Wikipedia

   en.wikipedia.org/wiki/Whip_antenna

   Whip antennas for portable radios are often made of a series of interlocking telescoping metal tubes, so they can be retracted when not in use. Longer whips, made for mounting on vehicles and structures, are made of a flexible fiberglass rod around a wire core and can be up to 11 m (35 feet) long.

8. Antenna types - Wikipedia

   en.wikipedia.org/wiki/Antenna_types

   Small receiving loops are sized at ⁠ 1 / 4 ⁠ ~ ⁠ 1 / 10 ⁠ wave perimeters, sometimes with many turns of wire around the same supporting frame. Small loops are widely used as compact direction finding antennas, since their "null" direction is exceptionally precise, and their small size makes them much more compact as hand-carried ...

9. Radio masts and towers - Wikipedia

   en.wikipedia.org/wiki/Radio_masts_and_towers

   [1] A mast is a guyed mast, a thin structure without the shear strength to stand unsupported, that uses attached guy lines for stability. They may be mounted on the ground or on top of buildings. Typical masts are of steel lattice or tubular steel construction. Masts tend to be cheaper to build but require an extended area surrounding them to ...