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HF Antennas
High Frequency/ Short Wave Antennae.
See Also: Antennas, Broadband Antennas, Log Periodic Antennas, Directional Antennas, Biconical Antennas, Horn Antennas, Isotropic Antennas, Loop Antennas, Antenna Software, Antenna Analyzers, Dipole Antennas
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Fixed Directional HF Antennas
Kratos Defense & Security Solutions, Inc.
These antennas are intended for fixed station applications and are based on the single mast, transportable 747CD Log-Periodic Antenna Series. The variable take-off angle array configuration results in a high-performance antenna well suited to applications where communications over varying distance is required.
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Array Solutions OCF
Series Dipoles
Thank you and congratulations on your purchase of the Array Solutions, OffCenter Fed HF Dipole Antenna System. This antenna was built with the same quality workmanship and attention to detail as our military, government and commercial wire antenna products. It is ideal for ARES/RACES, MARS/CAP, USCG Aux., Red Cross, Salvation Army and other disaster and relief organization use. It is built especially for high duty cycle, harsh environmental applications. The use of the finest quality components available and our “overbuilt” quality construction means your new antenna will last for years under the most difficult conditions, while requiring little or no maintenance.
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Antenna Analyzer
iP30z
The iP30z iPortable Antenna SWR Analyzer is designed for field use and is an excellent choice for working with the Buddipole line of antennas. This compact battery powered unit has an easy to read frequency display and measures SWR as well as Z (impedance) in the HF Band. The SWR readings quickly show you the actual VSWR measurement. This is the easiest way to adjust your antenna quickly in the field without any guesswork.
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Omnidirectional HF Antennas
Kratos Defense & Security Solutions, Inc.
Broadband dipole products include the horizontally polarized 1765 antenna for short-to-medium range communications, the 3065 antenna that reduces ground-area requirements, and the 5065 series designed for locations where space is at a premium, including rooftops.
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VECTOR-GUN HANDHELD DIRECTION FINDING ANTENNA SYSTEM
HFDF
National RF's Type HFDF active directional antenna system consists of a high gain RF amplifier coupled to a tunable Faraday shielded loop antenna. Several loop antenna assemblies are available to provide coverage of frequencies in the HF and low VHF spectrum. Due to the nature of a Faraday shielded loop, the antenna exhibits a sharp null through the diametric center of the loop. This null is used to determine the direction of incoming radio signals or to locate electrical noise being radiated from some source. The internal high gain amplifier is used to compensate for the inherent inefficiency of the actual loop at the operating frequency. Overall, the system dynamic response is about +6 dB as compared to the dynamic response of a dipole. To aid in the direction finding process on strong signals, an internal 30 DB attenuator is provided. As the loop antenna presents a bi-directional response, tri-angulation may be required to eliminate the ambiguous signal direction. The line of site of the incoming signal is determined by listening for a signal null on the receiver or by watching the receiver’s S-meter.
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Noise Location Package
Type HFDF
National RF’s Type HFDF high frequency location system is a proven noise hunting and location directional antenna system that allows you, in many cases, to walk right up to the source of High Frequency (HF) noise! Used by several power companies around the United States, professional noise hunters, and other communications specialists, the HFDF has located noise sources that emanated from pole power transformers, arcing electric fences, CATV in-line amplifiers, plasma TV screens, and even Marijuana grower’s heating lamps! The system incorporates several plug-in, tunable magnetic loop sensors of a proprietary National RF design, that cover the frequency range between 1.8 MHz and 55 MHz. The unit is packaged in a hand-held, lightweight metallic enclosure, with a pistol grip and a magnetic compass mounted on top. The compass is used to get magnetic bearings to the noise source, which may be plotted on a map to triangulate, and ultimately pin-point, the location of the noise source. In certain cases, our customers tell us that they have been able to walk right up to the interfering noise source and correct the situation on the spot!
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Antennas
The CAES Antennas portfolio encompasses virtually the entire radio frequency spectrum, from the HF Band, where wavelengths dwarf buildings, to the millimeter wave band, where thousandths of an inch make all the difference, and offers unparalleled product diversity with an extensive product line of advanced antennas and antenna arrays.
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Rotatable Directional HF Antennas
Kratos Defense & Security Solutions, Inc.
Kratos’ horizontally polarized rotatable log-periodic antennas are constructed with wire radiators supported by a strong and unusually lightweight support structure.
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Beacon Transmitters for Radio Amateurs
Is a radio beacon, whose purpose is the investigation of the propagation of radio signals. Most radio propagation beacons use amateur radio frequencies. They can be found on LF, MF, HF, VHF, UHF, and microwave frequencies. Microwave beacons are also used as signal sources to test and calibrate antennas and receivers
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Antenna Tuner HF+6m
DU 800 T
The DU 800 T optimizes the performance of your antenna and transmitter or SWL receiver by providing adjustable impedance matching. The DU 800 T also measures the Power and Standing Wave Ratio (SWR), which allows you to tune the indiceted SWR to the lowestpossible ratio for the selected transmit frequency.
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Antennas
Dual polarized 6 dBi omni-directional antenna. Included with each antenna is a unique mounting bracket that allows the Ubiquiti® RocketM2 radio to be attached directly to the antenna. Also included are a pair of 195-series low-loss cable assemblies to connect the RocketM2 to the antenna. Customers can enjoy the cost saving of these kits compared to purchasing an Ubiquiti® antenna to use with the RocketM2 radio.
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RFID Sensor Datenlogger (HF)
TELID®300
TELID® sensor data loggers are ideal for complex monitoring of quality assurance and maintenance, or while transporting foods, plants, pharmaceuticals or medical products. Temperature, humidity, pressure or shock-sensitive products can be monitored and traced, for example, during worldwide transportation. microsensys offers calibration services for the TELID®311, 311.ac and 314.ac. We carry out a factory (one- to three-point) calibration according to your temperature specifications, which are based on controlled operations and continuous monitoring, or ISO (one- to more point) calibration for temperature according to DAkkS specifications.
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Antennas
Below are a selection of compatible antennas available for the NAV6 Series of NAVTEX products as well additional accessories for mounting and a fitting to your boat. Please browse the tiles below to find out more.
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Antenna Rotator
PRO.SIS.TEL
This manual cover installation on a mounting plate inside a tower or a rotator cage with a thrust bearing. The rotator consists of a rotator and a control box unit.
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Antenna Positioners
CAES is a leading designer and manufacturer of custom antenna positioners, that accurately acquire, track, and point a variety of RF payloads in military land, sea, and airborne environments.
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Biconical Antenna
ZSZ7-0.4-18G-1185
Biconical Antenna, Frequency 0.4~18GHz, Gain 0dBi, VSWR 2.5:1, Vertical Polarization, N-Female
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Biconical Antennas
TDK Biconical Antennas - precision biconical antenna, metrology biconical antenna, high power biconical antenna.
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Waveguide Antennas
Waveguide horn antenna is also known as a WR-15 horn antenna. This WR-15 waveguide horn antenna has a dB nominal gain and a ug-385/u flange. Our dB WR-15 horn antenna has a minimum frequency of 50 GHz and a maximum frequency of 75 GHz.
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Antenna
Our expertise in 3-D EM computation accelerates the antenna development through accurate simulations and performance optimizations with full CAD description of devices and precise definitions of materials.
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Array Antennas
An antenna array (or array antenna) is a set of multiple connected antennas which work together as a single antenna, to transmit or receive radio waves. The individual antennas (called elements) are usually connected to a single receiver or transmitter by feedlines that feed the power to the elements in a specific phase relationship. The radio waves radiated by each individual antenna combine and superpose, adding together (interfering constructively) to enhance the power radiated in desired directions, and cancelling (interfering destructively) to reduce the power radiated in other directions. Similarly, when used for receiving, the separate radio frequency currents from the individual antennas combine in the receiver with the correct phase relationship to enhance signals received from the desired directions and cancel signals from undesired directions. More sophisticated array antennas may have multiple transmitter or receiver modules, each connected to a separate antenna element or group of elements.
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Combination Antennas
By combining multiple technologies such as GNSS, cellular, and WiFi in a single housing, our combination antennas help you to increase efficiency and coverage for applications such as fleet management, vehicle tracking, and passenger connectivity on the go.
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Antenna Masts
Antenna Masts are an integral part of EMC and RF measurement systems. Innco system masts are renowned worldwide as the standard benchmark. Available in manual or automatic, using either pneumatic and or electric driven, the antenna mast design has the capacity to carry antennas of 6kg (MM) and 10kgs (MA) as standard. Higher loads are available upon request.
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3D Antennas
A 3D capable printing technology designed to create printed electronics directly on 3D surfaces using modern software controlled digital process.
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Omni-Directional Antenna
EM-6116 | 2 GHz – 10 GHz
The EM-6116 is a vertically polarized, omnidirectional antenna covering the frequency range 2 to 10 GHz. It is enclosed in a weather resistant radome. Smaller than other similar antennas, the EM-6116 is ideal for covert applications.
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Antennas
LSR is unmatched in offering multiple pre-certified antenna options for each wireless module. Pairing LSR’s embedded modules with a pre-certified RF antenna saves both certification time and costs. The new, exclusive, flexible antenna solutions from LSR, provide unmatched flexibility to help you solve your real-world design challenges. Learn more about the FlexPIFA™, mFlexPIFA™, and FlexNotch™ antennas from LSR and how they can provide design freedoms you didn’t know were possible.
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Biconical Antennas
Biconical Antennas have dipole like characteristics (e.g. circular directional pattern in the H-plane,"8"-shaped in the E-plane, fixed phase center, comparable gain), with an enormous wide bandwidth achieved by the double cone elements.
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Marine Antennas
Professional Offshore and Maritime operations depend highly on reliably RF communication. Long-term RF equipment can be a vital element for securing safety, productivity, and efficiency of workers which all are necessary factors for a good work environment and excellent results.
