Abstract: A broadband antenna including an antenna body, a ground plane, and a bandwidth adjustment portion is described. The bandwidth adjustment portion, formed by at least one capacitor, is connected between the antenna body and the ground plane. The bandwidth adjustment portion is formed by more than one capacitor connected in series. Also, in another situation, the bandwidth adjustment portion can be formed by more than one capacitor connected in parallel.

Abstract: A portable wireless communication device includes a base circuit board, an antenna, and a switch. The base circuit board is a printed circuit board including a feed point and a ground point. The antenna is disposed on the base circuit board including a radiating portion, a feed portion, and a plurality of ground portions. The feed portion electrically connected to the feed point. The switch is electrically connected between the ground point and the plurality of ground portions to choose one ground portion to electrically connect to the ground point and obtain wide working frequency bands.

Abstract: An ultra-wideband has an elongated grounding plate disposed horizontally with a long front edge defined thereon. A connecting portion extends upwards from an end of the front edge. A first antenna radiator includes a first radiating strip extended from a side of the connecting portion and a second radiating strip connecting with a free end of the first radiating strip. A third antenna radiator includes a third radiating strip suspended over the grounding plate, a fourth radiating strip connecting with an end of a long front edge of the third radiating strip and an upper side of the second radiating strip, a fifth radiating strip extended downwards from the long front edge of the third radiating strip connecting with the connecting portion. A third antenna radiator extends downwards from a middle of the long front edge of the third radiating strip. A feeding point disposes on the second radiating strip.

Abstract: A multi-band antenna has a ground portion, a first radiating portion defining opposite first and second ends, a L-shaped radiating portion connected to the second end of the first radiating portion and defining a third end extending towards the ground portion and a fourth end extending towards a direction, a stair-shaped radiating portion located between the ground portion and the L-shaped radiating portion and defining a fifth end connected to the first end of the first radiating portion and a sixth end extending towards the direction, and having at least one bent section, which has at least one bent section, a connecting portion interconnecting the bent section of the fourth radiating portion and the ground portion, and a feeding point arranged at the first end of the first radiating portion.

Abstract: A multi-band has as an elongated grounding plate disposed vertically with a top edge defined thereon. A simulation induction portion includes a first conduction strip extended obliquely from a substantial middle of the top edge and a second conduction strip extended along the top edge from a free end of the first conduction strip to form an obtuse angle between the first and second conduction strips. A connecting portion extends perpendicularly and opposite to the grounding plate from a free end of the second conduction strip. A feeding point disposes on the connecting portion, adjacent to the second conduction strip. A high frequency radiator and a low frequency radiator are extended opposite to each other from a free end of the connecting portion.

Abstract: An NMR signal acquisition device that can increase the magnetic field homogeneity in a high frequency magnetic field by one of the following. (a) Current paths each having a different inductance are provided to adjust the diversion ratio of the current, (b) A current path branch point is provided in an intermediate part of the winding of a solenoidal coil so that there are more current paths in the intermediate part of the winding than in the current paths connected to the feeding points at both ends, (c) The radiuses of current paths are adjusted, (d) Winding pitches in the axis direction are adjusted, (e) Current path widths are adjusted, and (f) The solenoidal coil has both positive direction current paths and negative direction current paths.

Abstract: A low-height PIFA-fed antenna system having high gain, wide bandwidth and wide beamwidth for applications on wireless communications devices. The antenna is suitable for internal installation within a handset, such as a cellphone. The antenna includes a ground plane conductor, such as the ground plane of a wireless device, and a resonator element having a top portion with a split free end defining an open space. The antenna is well adapted for high volume manufacturing processes using conventional fabrication techniques such as metal stamping or selectively plated plastic.

Abstract: An antenna with double groundings, including a body part, a feeding part, a first grounding part, and a second grounding part, is provided. The body part is electrically connected to the feeding part, the first grounding part, and the second grounding part respectively. The body part is corresponding to a resonance length to transmit and receive a radiation wave with a wavelength at an operating frequency. Wherein, a current path from the first grounding part to the feeding part along the body part is ½ times of the wavelength at the operating frequency, and a relative distance between the second grounding part and the first grounding part is ¼ times of the wavelength at the operating frequency.

Abstract: An antenna (8), mounted to a roof (3) of a building (1), receives digital broadcast transmissions and feeds a signal through a cable (9) to a desk stand (2). The desk stand has an amplifier and a loop antenna. A mobile telephone handset (6) capable of receiving digital broadcast transmissions also includes a loop antenna. Using inductive coupling, the signal is transmitted from the desk stand to the mobile telephone handset.

Abstract: An antenna connected with a matching circuit is mounted in a portable electronic device for receiving radio frequency band. The antenna includes a flat-plate coil with a shape thereof depending on a receiving space of the portable electronic device, a feeding portion defined at one free end of the coil for connecting with the matching circuit, and a grounding portion defined at the other free end of the coil. Accordingly, the antenna can be received in the portable electronic device with a small-occupied space, and is convenient for a user to listen to broadcast at random.

Abstract: A multi-band antenna includes a first radiating portion, a second radiating portion extending perpendicularly from the first radiating portion, a third radiating portion extending perpendicularly from the second radiating portion and located at a same side concerning the second radiating portion with the first radiating portion, a fourth radiating portion extending perpendicularly from the third radiating portion and located at a same side concerning the third radiating portion with the second radiating portion, a fifth radiating portion extending from the fourth radiating portion towards the second radiating portion and spaced from the second radiating portion, a sixth radiating portion aligned with the first radiating portion with a feeding portion connected therebetween, a seventh radiating portion extending towards the fourth radiating portion from the sixth radiating portion, and a grounding portion spaced from the first radiating portion and the sixth radiating portion and having a grounding point.

Abstract: A dual-frequency antenna includes a substrate, a ground layer, a plurality of signal feed portions, at least one first radiation portion, a plurality of second radiation portions, a plurality of first signal transmission lines, a plurality of second signal transmission lines, a plurality of first filters, and a plurality of second filters. The signal feed portions are disposed between the first radiation portions and the second radiation portions that are disposed on the first surface of the substrate in a staggered manner. The first signal transmission lines and the second signal transmission lines are respectively used to connect the signal feed portions with the first radiation portions and the second radiation portions. The first filters and the second filters are respectively disposed on the first signal transmission lines and the second signal transmission lines. The dual-frequency antenna is applicable for providing broadband and high gain features.

Abstract: The invention discloses a monopole antenna for assembly within a wireless communication device to transmit and exchange data signals. The monopole antenna includes a main body, a feed portion, a grounding portion, a first transmitting body and a second transmitting body. The feed portion and the grounding portion are disposed on the main body. A first transmitting body is a high frequency path extending outwardly from the main body and a second transmitting body is a low frequency path extending outwardly from the main body.

Abstract: A system for enabling telemetry in implantable medical devices is provided. One aspect of this disclosure relates to an implantable medical device having radio-frequency telemetry capabilities. The device includes a housing and electronic circuitry contained within the housing. The device also includes an antenna connected to the electronic circuitry, the antenna having a helical portion and a whip portion, the whip portion separate from a feed conductor and adapted to enhance a radiation pattern of the antenna. According to various embodiments, the antenna and circuitry are adapted to facilitate transmission and reception of modulated radio-frequency energy at a specified carrier frequency. At least a portion of the antenna is embedded in a dielectric compartment, according to various embodiments. Other aspects and embodiments are provided herein.

Abstract: A dual-band antenna adapted for an Ultra-mobile Personal Computer has a grounding element including a first grounding portion of elongated plate shape and a second grounding portion extending substantially perpendicular to the first grounding portion from a long edge of the first grounding portion. A connecting element is connected with the second grounding portion. An installing element is connected with the second grounding portion and spaced away from the connecting portion. A radiating element includes a low frequency resonator extending from the connecting element, a high frequency resonator extending opposite to the low frequency resonator and towards the installing element from the connecting element, and an enhancing frequency resonator extending from an edge of the installing element back to the high frequency resonator. The low, high and enhancing frequency resonators are substantially aligned with each other and parallel to the second grounding portion.

Abstract: Methods and systems of attaching a radio transceiver to an antenna. At least some of the illustrative embodiments are systems comprising an antenna and an integrated circuit configured to operate as a radio transceiver. The antenna comprises a ground plane having a first edge surface, and an active element having a second edge surface. The ground plane and the active element are retained together such that the first and second edge surfaces are substantially coplanar and form an antenna edge. The integrated circuit is configured to operate as a radio transceiver, and the integrated circuit is mechanically coupled to the edge of the antenna and electrically coupled to the active element.

Abstract: The disclosure discloses a triple-band antenna including a feed line, a first radiating body, a second radiating body and a grounding sheet. The first radiating body is a rectangular sheet. One end of the first radiating body is electrically connected with the end of the feed line. The second radiating body includes three parallel bar shape sheets extending from the first radiating body and surrounded by the first radiating body, and both share the feed line. The grounding sheet is disposed beside the feed line. The first radiating body and the second radiating body of the triple-band antenna generate three resonance frequencies according to the radio frequency received by the feed line to allow the triple-band antenna work under three different operating frequencies.

Abstract: An antenna module includes an antenna and a connection line. The antenna receives and sends a signal for wireless communication. The connection line includes a first terminal electrically connected to the antenna, a second terminal electrically connected to an external device and a grounding portion interposed between the first and second terminals.

Abstract: An inverted F antenna (IFA) which reduces specific absorption rate (SAR) includes a ground; an auxiliary radiator which is attached to one end of the ground and disposed along a plane direction of the ground; a radiator which lies at an interval from the auxiliary radiator in parallel and radiates electromagnetic waves; a feed which supplies current to the radiator; and a short which interconnects the radiator with the ground and discharges the current to the ground. Accordingly, the SAR can be decreased and the antenna size can be miniaturized.

Abstract: A broadband antenna including an antenna body, a ground plane, and a bandwidth adjustment portion is described. The bandwidth adjustment portion, formed by at least one capacitor, is connected between the antenna body and the ground plane. The bandwidth adjustment portion is formed by more than one capacitor connected in series. Also, in another situation, the bandwidth adjustment portion can be formed by more than one capacitor connected in parallel.

Abstract: An internal antenna especially aimed at flat radio devices. The antenna (200) comprises a planar radiator (220) with a branch (221) for forming a lower operating band for the antenna and a second branch (222) for forming an upper operating band. The branches typically form a frame-like pattern. There remains a slot (230) between the branches, opening to the outer edge of the radiator approximately in the middle of the edge running in the direction of the end of the circuit board (205) and being outside the circuit board as seen from above. The omnidirectional radiation of the antenna on its upper operating band improves as compared to the corresponding, known antennas, and its efficiency improves, because the average antenna gain increases.

Abstract: An antenna device comprising: a substrate; a ground conductor provided on the bottom surface of the substrate; a radiation conductor, with a partial cutout, provided on the top surface of the substrate; a ground terminal provided on the partial cutout of the radiation conductor; a conductor connecting the ground conductor with the ground terminal; and a feed terminal connected to the radiation conductor, wherein the ground terminal and the feed terminal are connected via an IC chip is provided. The configuration can realize an antenna device capable of feeding electric power through the IC chip, and of operating even on a metal plate fully well. A radio communication system using the antenna device is provided additionally.

Abstract: Disclosed is an antenna device capable of reducing an input impedance and having a wideband characteristic. The antenna device includes: a first radiating plate of a flat shape; a second radiating plate of a flat shape; and an electric feeding section electrically connected to the first radiating plate and the second radiating plate, wherein the first radiating plate and the second radiating plate have different shapes in a plan view and are combined and provided, and both end corner portions of a side portion to which the electric feeding section is connected, of the first radiating plate, are formed in an arc shape.

Abstract: A single band antenna includes a radiating unit, a grounding unit, a feeding unit and a conductive unit. The radiating unit has a bent portion. The grounding unit and the feeding unit protrude from one end of the radiating unit with an interval therebetween. The conductive unit has a conductive body and a grounding body. The conductive body is electrically connected with the feeding unit, and the grounding body is electrically connected with the grounding unit.

Abstract: A dual-band antenna is provided, which includes a signal resonance unit, a grounding unit, a connection unit, and a signal line. The grounding unit is disposed opposite to the signal resonance unit. The connection unit has a first connection element and a second connection element, wherein one end of the first connection element is connected to the signal resonance unit and the other end of the first connection element is connected to the grounding unit, while one end of the second connection element is connected to one side of the first connection element. The signal line has a signal feeding end and a circuit connection end, wherein the signal feeding end is electrically connected to the second connection element, and the circuit connection end is electrically connected to a wireless circuit device.

Abstract: A U shape three dimensional multi-frequency antenna, comprises a first radiation body having an L shape; a second radiation body being connected to the first radiation body; one end of the second radiation body being vertically connected to the first radiation body; a connecting portion connected to the second radiation body at one end thereof as an integral body; a connection of the connecting portion and the second radiation body being formed as a signal feeding point; a signal feeding wire being connected to the signal feeding point at one end thereof; another end of the signal feeding wire serving for being installed with an antenna receiver; and a grounding path connected to another end of the connecting portion; a potential of the grounding path being identical to the antennal receiver.

Abstract: A GPS antenna has two electrically connected L-sections disposed on opposite sides of a circuit board. The L-sections lie on two separate planes parallel to the circuit board surface. One L-section is connected to a feeding point located at one edge area of the circuit board and the other L-section is connected to a grounding point located at an opposite edge area of the circuit board. Optionally, a second grounding point is connected to the antenna element adjacent to the feeding point for impedance matching purposes. The antenna is configured for use in an electronic device such as a mobile phone.

Abstract: An antenna device includes an antenna main body having at least three electricity feeding points and a feeder circuit for feeding an electrical signal to the antenna main body. The feeder circuit feeds electrical signals different in at least one of amplitude and phase to the electricity feeding points. The device enables to control the directivity with the use of a single antenna.

Abstract: A planar antenna disposed on a substrate (100) includes a metallic ground plane (200), a radiating part (300), an open-short transforming part (400), a joint portion (700), and a feeding part (500). The metallic ground plane is laid on the substrate. The radiating part transmits and receives radio frequency (RF) signals, and includes a first bent portion (320) and an open end (310). The first bent portion is electrically connected to the open end. The open-short transforming part is electrically connected between the radiating part and the metallic ground plane, and includes a second bent portion (430). The joint portion connects the open-short transforming part and the radiating part, and defines a recessed portion (701). The feeding part is electrically connected to the joint portion, for feeding signals.

Abstract: An integrating SOC capable of integrating a micro-antenna System on Chip (SOC) of integrating micro-antennas comprises an existing radio frequency model, a circuit board and an antenna element to a package of single SOC. The micro-antenna element is formed by using antenna radiated conductor paths composing of a single-feeding end or multiple-feeding ends and multiple-curved paths. Active or passive elements are selected to match up the antenna element and relative circuits, and arranges on the circuit board. Then by using embedding type injection molding or glue-filling modeling, the single SOC is finished by the package of a radio frequency model and an antenna element.

Abstract: A film antenna whose antenna characteristics are unaffected by chassis is provided. A recessed groove portion 26 is formed in a ground portion 13 which is attached to a chassis 18. A first radiating element portion 14 is formed from a wall 26a on one side of the groove portion 26 to a wall 26b on the other side. A capacitive coupling piece portion 27 which is capacitively coupled via a specified gap g to the first radiating element portion 14 is formed on the wall 26b on the other side to thereby allow antenna characteristics to be unaffected by the chassis 18.

Abstract: A planar antenna includes a high frequency radiating element, a meandering low frequency radiating element, and an interconnecting element. The low frequency radiating element has an operating bandwidth which is lower than that of the high frequency radiating element. The interconnecting element interconnects the high frequency radiating element and the low frequency radiating element. A feeding point is provided on the high frequency radiating element and is distal from the interconnecting element. A grounding point is provided on either the interconnecting element, or the high frequency radiating element proximate to the interconnecting element.

Abstract: An antenna. The antenna comprises a convex ground unit, a radiating member disposed above the ground unit and a feed member connected to the radiating member. The radiating member comprises a first sub-radiating member and a second sub-radiating member having a feed point to which the feed member is connected.

Abstract: A reflect antenna element having a receive antenna section and a transmit antenna section. Each section has a cavity, a conductive element in registration with the cavity, and a ground plane conductor having a slot. A strip conductor has portions thereof disposed over the slots and the ground planes conductor. The strip conductor and underlying ground plane conductor form a microstrip transmission line for coupling energy received by the receive antenna section to the transmit antenna section. The transmit antenna section and receive antenna section are configured to operate with orthogonal polarizations. An amplifier is disposed in circuit with the transmission line.

Abstract: A portable radio terminal where the total length of a terminal body and an antenna is less than ½ wavelength. The terminal equipment includes a conductor connected to a printed circuit board in the terminal body so that an electrical equivalent length is ½ wavelength. The portable radio terminal equipment maintains a good radiation efficiency, while reducing the total size of a body and an antenna of the terminal equipment.

Abstract: A disclosed antenna device includes a plate-like ground plate, and a feeding unit that extends from the ground plate for a predetermined length at a predetermined angle. The feeding unit is constituted by a half-body, which is a body, such as a circular cone, halved by a plane perpendicular to the ground plate, and the feeding unit is prepared perpendicular to the ground plate.

Abstract: Multi-band, Inverted-F Antenna with capacitively created resonance, and radio terminal using same. The present invention creates an additional resonance frequency in a planar-style, inverted-F antenna (PIFA), such as that typically used in mobile radiotelephone or other types of radio terminals. A first radiating branch of the antenna is connected to the signal feed conductor and the ground feed conductor. A second radiating branch is connected to the signal feed conductor and the ground feed conductor at one end and is capacitively coupled to the first radiating branch at the other end so that the antenna resonates at an additional resonance frequency. The additional resonance frequency can be used for, among other things, adding GPS or Bluetooth functionality to a radiotelephone terminal that otherwise operates on GSM (Global System for Mobile) or other mobile radiotelephone terminal frequencies.

Abstract: A dual frequency antenna providing nulling of adjacent radio signals. The antenna is formed on a single substrate of dielectric material and features a first antenna for a first frequency on top surface of the substrate mutually coupled to a second antenna formed for reception of a second frequency on the bottom surface of the substrate. A single antenna feed communicates through the substrate with the first antenna communicates both received frequencies to an attached device. Feeding the single antenna feed through the substrate wall inside the interior of both antenna perimeters provides for an unobstructed view above the first antenna. The nulled portion of the reception pattern may be steered by tilting the antenna.

Abstract: A folded monopole antenna uses two vertical monopole antenna elements one of which is tapered and resistively loaded to a ground plane. The tapered vertical monopole antenna element includes a series of operably coupled cylindrical sections that extend from a base end of this element to its top end. The cylindrical sections decrease in diameter from the base end to the top end of this element. The second monopole antenna element has a substantially constant outer diameter. An antenna feed is coupled to this second element. A third antenna element of substantially equivalent diameter to the second element is operably coupled to the top ends of the first and second antenna elements. In both transmitting and receiving modes, the tapered monopole antenna element is considered to cause a cancellation of the electric field from the feeding antenna element and thereby provide a wide range of impedance matching.

Abstract: This invention relates to internal antenna arrangements for radio communications handsets. Internal antenna size and shape represents a constraint on handset miniaturisation if good antenna efficiency and bandwidth characteristics are to be maintained. The use of acoustic enhancing volumes of free space about a handset's speaker unit also constrains further miniaturisation. The present invention provides an internal antenna arrangement which facilities further miniaturisation and which combines antenna volume with the acoustic enhancing volume.

Abstract: Method and apparatus are provided for a microstrip feeder structure for supplying properly phased signals to each radiator element in a microstrip antenna array that may be utilized for radiating circularly polarized electromagnetic waves. In one disclosed embodiment, the microstrip feeder structure includes a plurality of microstrip sections many or all of which preferably have an electrical length substantially equal to one-quarter wavelength at the antenna operating frequency. The feeder structure provides a low loss feed structure that may be duplicated multiple times through a set of rotations and translations to provide a radiating array of the desired size.

Abstract: A dielectric slab is arranged on one surface of a ground plane to form a transmission guide for transmitting an electromagnetic wave along the surface from one end to the other end between the dielectric slab and the ground plane. A perturbation is loaded on the dielectric slab to leak the electromagnetic wave from the surface of the dielectric slab. A feed supplies an electromagnetic wave to one end of the transmission guide formed by the ground plane and dielectric slab. A dielectric layer is interposed between the ground plane and the dielectric slab, and has a lower permittivity than that of the dielectric slab.

Abstract: A slot antenna device for transmitting and/or receiving radio frequency (RF) waves, connectable to a radio communication device including signal processing circuitry, includes a substantially planar conductive antenna element provided with a slot, and with feeding and grounding points respectively located at opposite sides of the slot; a substantially planar RF ground conductor located substantially in parallel with the planar conductive antenna element; a grounding connector connecting the planar ground conductor to the grounding point; and a feeding connector connecting the signal processing circuitry to the feeding point. The antenna device is connectable to the radio communication device such that the planar ground conductor is located between the conductive antenna element and the signal processing circuitry, to effectively shield the circuitry from RF waves.

Abstract: The known antenna connectors for transmitting RF-signals from an outside antenna to a portable telephone includes a connecting cable (8), one end of which is connected to the outside antenna (11) and the second end which is connected with a circuit (4), which capacitively or inductively transmits the RF-signals from the outside antenna to a main antenna of the telephone. In order to improve the coupling performance said circuit consists of a meander formed loop (4) of conductive material, which loop (4) is arranged on a substrate (5) of non conducting material and in one end (6) is connected with the connecting cable (7). The cable has a screen (10) which is connected with a ground element (9), and couples with the ground plane of the telephone, whereat the meander formed loop is placed beside main antenna (11) when transmitting RF-signals.

Abstract: An antenna comprising the following members are provided: a first board-shaped dielectric material; a cylindrical member, provided on one face of the first board-shaped dielectric material, in which a part of a side wall may be cut off; plural second board-shaped members provided as radiating on the outer surface of the cylindrical member, one end face of each second board-shaped member being in contact with the surface of the first board-shaped dielectric material; and plural sets of plural pole members perpendicular to the surface of the first board-shaped dielectric material, made by forcing out corresponding portions of the first board-shaped dielectric material, the sets radiating from the outer surface of the cylindrical member and the plural pole members in each set being arranged in a line, and each set existing between two positional directions of the adjacent two second board-shaped members.

Abstract: A radio frequency identification (RFID) transponder (tag) includes a spiral over ground plane antenna. The RFID tag includes a RFID circuitry that may be implemented as an RFID tag integrated circuit and may be mounted on one surface of a substrate such as a printed circuit board. The RFID tag circuitry may be electrically connected to an impedance matching circuit printed on the same side of printed circuit board. The matching circuit is electrically connected to a spiral antenna that may be mounted on same side of the printed circuit board as the tag circuit and matching circuit. The spiral antenna is held a prescribed distance from the ground plane in order to maximize the gain of the RFID tag and to thereby maximize the range of the RFID tag.

Abstract: An antenna structure including a ground plane that provides a good front to back ratio while maintaing a small size and which can mechanically be made to fit into tight areas. The antenna structure may be a GPS patch antenna, or any other antenna adapted to receive broadcast signals. The ground plane is made from radar absorbing material (RAM) in electrical contract with conductive radials. The RAM inherently acts to suppress surface currents on the ground plane, which in turn reduces back signals. Although RAM has some resistance, it is low enough such that the electrical effect of the radials is extended through the RAM, essentially simulating a "solid" conductive disk. Both the RAM and radials may be made from light and flexible material, and consequently may be adapted for use in a variety of applications.

Abstract: A dual orthogonal inverted L near vertical incidence skywave antenna incls two orthogonal RF loop elements coupled to a ground plane. The first RF loop element is mounted in a first plane and has first feed and ground nodes. The second RF loop element is mounted in a second plane substantially orthogonal to said first plane, and has second feed and ground nodes. The first and second elements are feed from a center feed node and are coupled to the ground plane at different locations. An important performance characteristic of the antenna is that it has no nulls in its azimuth pattern.

Abstract: Manufacturing of a novel thin and flexible radio frequency (RF) tag with a stamped metal leadframe antenna is disclosed. The tag is made by transporting a leadframe strip having leadframe antenna "cutouts" to a point where a chip is mechanically and electrically attached directly to the leadframe antenna. A battery can be attached to the chip in the process. Processes to cut support bars holding the leadframe antenna to the leadframe strip, seal the package (by lamination or molding), and to excise the sealed component are performed in various orders to produce a final product. Intermediate support (positioners) for the thin leadframe are optionally provided add structural support to the antenna while the sealed component is made. A protective surround can be added to cover the package and to provide further structural support for the package while still permitting the sealed component to be thin and flexible.

Abstract: A High Efficiency Compact Antenna Assembly for use as a vertical antenna, used for the radiation and reception of various band length signals. The antenna assembly includes an assembly such that operation of the antenna is as efficient as antennae of much greater height. The structure of the assembly preferably includes a large surface area housing atop a conductive mast and in spaced apart electrical communication with a substantially circular collector. Spanning from the outside wall of the vertical cylinder to the mast is a minimal turn inductor so that the inductor does not create a field that would interfere with the field from the mast of the antenna. A transmitter.backslash.receiver is in connection with the antenna assembly at the mast and the collector. The mast, minimal turn inductor, and vertical cylinder are in connection with each other, while the collector interacts electrically with each.