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Supplier: Rohde & Schwarz USA, Inc.
Description: Transmission and reception of horizontally polarized waves over medium to long distances The compact, rotatable HF Antenna R&S®HL471 can be used for transmission and reception of horizontally polarized waves. Due to a transmission frequency range from 7 MHz to 30 MHz, the
- Primary Frequency Range: 7 to 30 MHz
- Form Factor / Mounting: External
- Technology Type: Log Periodic Array
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Supplier: DigiKey
Description: 698-6000 MHZ, 10 TO 11 DBI GAIN,
- Primary Frequency Range: 3,349 MHz
- Gain: 11 dB
- VSWR: 2 :1
- Applications: Broadband Network / WLAN, Cellular / PCS Terminal
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Supplier: A.H. Systems Inc.
Description: Features Frequency Range of 290 MHz to 4000 MHz Receive and Transmit Individually Calibrated (1, 3 and 10 Meter calibration included, horizontal polarization) FCC, MIL-STD, VDE and TEMPEST Testing Rugged Construction The A.H. Systems' SAS-510-4 antenna is lightweight, compact and has been
- Primary Frequency Range: 290 to 4,000 MHz
- Gain: 6.2 dB
- VSWR: 1.66 :1
- Applications: Aerospace / Military, RF Survey / Test
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Supplier: A.H. Systems Inc.
Description: The A.H. Systems AK-285R and AK-285T antenna kits includes all of the required antennas needed to perform shielding effectiveness. Each component has a specific storage compartment in the carrying case therefore, loss and breakage are virtually eliminated. Cables, a tripod with azimuth
- Primary Frequency Range: 0.001 to 18,000 MHz
- Pattern Type: Directional
- Applications: Dual Band / Multi-band, RF Survey / Test
- Form Factor / Mounting: External, Portable / Mobile
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Supplier: A.H. Systems Inc.
Description: Each kit provides all the reliable antennas, current probes, and accessories needed to satisfy a wide array of customer requirements. Each component has a specific storage compartment in the carrying case therefore, loss and breakage are virtually eliminated. Cables, a tripod with azimuth and
- Primary Frequency Range: 0.00002 to 4,000 MHz
- Applications: Aerospace / Military, RF Survey / Test
- Technology Type: Dipole / Wire Antenna, Log Periodic Array, Loop
- Pattern Type: Directional
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Supplier: Quarktwin Technology Ltd.
Description: 3.3GHz 5G Log Periodic RF Antenna 600MHz ~ 6GHz 9.5dBi N Type Male, SMA Male Bolt
- Technology Type: Log Periodic Array
- Polarization: Other
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Supplier: AR RF/Microwave Instrumentation
Description: antenna can be wall-mounted using the antenna base plate or will mount on the TP1000B tripod using the polarization change mount supplied with the antenna. The polarization change mount allows the antenna to rotate between horizontal and vertical polarization without
- Primary Frequency Range: 200 to 6,000 MHz
- Technology Type: Log Periodic Array
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Supplier: TACO Communications Inc.
Description: This rugged array combines high gain with narrow vertical and horizontal beam width. Engineered for maximum gain and superior side lobe performance, this array will significantly reduce the level of interfering signals. Where known sources of interference can be identified, a custom designed array
- Primary Frequency Range: 66 to 105 MHz
- Gain: 15 dB
- VSWR: 1.3 :1
- Technology Type: Array / Phased Array, Log Periodic Array
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Supplier: TACO Communications Inc.
Description: “Sharpshooter” CYD series features high gain, narrow frequency range, as specified. Connects to VHF antennas without coupler.
- Primary Frequency Range: 471.25 to 663.25 MHz
- Gain: 13 dB
- Pattern Type: Directional
- Form Factor / Mounting: External
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Supplier: TACO Communications Inc.
Description: This broadband VHF/UHF antenna features a log periodic biconical design with performance exceeding the physical size of the antenna. The compact design and single UHF/VHF broadband feed point makes it ideally suited for use as a standby antenna for CATV head ends.
- Primary Frequency Range: 54 to 812 MHz
- Gain: 13 dB
- VSWR: 1.5 :1
- Pattern Type: Directional
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Supplier: TACO Communications Inc.
Description: This horizontal pair has been engineered for maximum forward gain with optimum side lobe performance. The narrow horizontal beam width reduces the effect of man-made noise, co-channel and other sources of interference off the main beam. Where specific sources of interference can be identified, a
- Primary Frequency Range: 60 to 82 MHz
- Gain: 12 dB
- VSWR: 1.3 :1
- Technology Type: Array / Phased Array, Log Periodic Array
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Supplier: Rohde & Schwarz USA, Inc.
Description: Optimized for radiomonitoring and measurements Owing to its broadband characteristics and the virtually frequency-independent radiation patterns, the R&S®HL223 covers a very wide frequency range. The sturdy construction makes the antenna suitable for stationary and mobile applications. Each
- Primary Frequency Range: 200 to 1,300 MHz
- Form Factor / Mounting: External
- Technology Type: Log Periodic Array
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Supplier: Rohde & Schwarz USA, Inc.
Description: Monitoring and measurement of RF signals The Log-Periodic Antenna R&S®HL007A2 with crossed elements is particularly suitable for monitoring and measuring RF signals. The antenna features a virtually frequency-independent radiation pattern and allows horizontally,
- Primary Frequency Range: 80 to 1,300 MHz
- Form Factor / Mounting: External
- Polarization: Horizontal Linear, Vertical Linear
- Technology Type: Log Periodic Array
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Supplier: L-com, Inc.
Description: LCANLP1011 is ideal for boosting 5G, LTE, CMDA, LoRA, IoT, WIFI. The log periodic LCANLP1011 has 19 vertical beamwidth and 19 horizontal beamwidth. This antenna has Vertical polarization and the included mounting brackets allow for either vertical or horizontal mounting
- Primary Frequency Range: 5,725 MHz
- Gain: 16 dB
- Applications: Broadband Network / WLAN, Cellular / PCS Base Station
- Technology Type: Log Periodic Array
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Supplier: L-com, Inc.
Description: The HyperLink® HG2458-08LP is a high performance ultra wide band log periodic antenna designed to operate from 2.3 GHz to 6.5 GHz. This Ultra-Wideband design eliminates the need to purchase different antennas for each frequency. This simplifies installation since the same
- Primary Frequency Range: 2,400 MHz
- Gain: 8 dB
- Applications: Broadband Network / WLAN, Dual Band / Multi-band
- Technology Type: Log Periodic Array
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Supplier: AR RF/Microwave Instrumentation
Description: The ATT700M12G is a wideband trapezoidal log-periodic antenna. It provides high power handling, nearly constant gain, and wide beam widths, which are nearly equal in the E and H planes. It is designed to complement AR’s S-Series amplifiers and is compact, lightweight, and easily
- Primary Frequency Range: 700 to 12,000 MHz
- Technology Type: Log Periodic Array
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Supplier: Rohde & Schwarz USA, Inc.
Description: For broadband transmission and reception under open-field and laboratory conditions The linearly polarized R&S®HL040E log-periodic broadband antenna provides broadband transmission and reception in the frequency range from 400 MHz to 6 GHz. Precise construction and an optionally
- Primary Frequency Range: 400 to 6,000 MHz
- Form Factor / Mounting: External
- Technology Type: Log Periodic Array
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Supplier: ValueTronics International, Inc.
Description: The 3146A is a 1 GHz log periodic antenna from EMCO. A state-of-the-art antenna preamplifier can enhance the performance of electronic test equipment with a bad or weak signal. Antennas boost signals and can overcome signal losses related to splitters and
- Primary Frequency Range: 1,000 MHz
- Technology Type: Log Periodic Array
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Supplier: L-com, Inc.
Description: The HyperLink HG72710LP-NF is a high performance wide band log periodic antenna designed to operate from 698-960 MHz and 1710-2700 MHz. This Wideband design eliminates the need to purchase different antennas for each frequency. This simplifies installations since the same
- Primary Frequency Range: 698 to 960 MHz
- Gain: 10 dB
- Applications: Broadband Network / WLAN, Cellular / PCS Base Station
- Technology Type: Log Periodic Array
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Supplier: AvaLAN Wireless Systems, Inc.
Description: High-gain 23 element log-periodic directional antenna covering 824-2170 MHz. Covers GSM900, TDMA, CDMA, AMPS, TACS, GSM 1800, PCS, PCN, GSM 1900 and UMTS ranges Robust aluminum alloy construction resists extreme weather conditions Mounts to pole with included stainless steel
- Primary Frequency Range: 824 to 2,170 MHz
- Gain: 11 dB
- Applications: Cellular / PCS Terminal
- Pattern Type: Directional
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Supplier: L-com, Inc.
Description: LCANLP1010 is ideal for boosting 5G, LTE, CMDA, LoRA, IoT, WIFI. The log periodic LCANLP1010 has 27 vertical beamwidth and 30 horizontal beamwidth. This antenna has Vertical polarization and the included mounting brackets allow for either vertical or horizontal mounting
- Primary Frequency Range: 3,400 MHz
- Gain: 14 dB
- Applications: Cellular / PCS Base Station
- Technology Type: Log Periodic Array
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Radio System Design for Telecommunication 3rd Edition Complete Document
… radiolinks, 170 171 digital satellite communications, 431 434 gain in, 175 satellite communications, 332 343 very small aperture terminal, 456 Link … … 762 Locating, defined, 508 Log -normal distribution, 608 Log- periodic antennas , 658, 803 804 Long-distance HF paths, 601 Longitude elevation …
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1961 IRE International Convention Program
… describes a vertically-polarized, unidirectional, frequency-independent antenna that utilizes its image to reduce its maximum height to I wavelength at its lowest operating frequency rather than the2 wavelength dimen- sion that has been necessary in other types of log - periodic antennas . This relatively small di- mension makes this antenna particularly de- sirable for use in the lower portion of the HF spectrum as well as in other frequency ranges where frequency-independent operation must be coupled with small size.
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HF 125 W half-loop antennas in ALE and ECCM for land mobile, navy and helicopter use
HF Radio Systems and Techniques, Conference Publication No. do not exceed 5 m2 in order to coincide with the small dimensions required. These types of antennas differ from open antennas (like whips, horizontal dipoles, log - periodic antennas,...) by their impedance which is reactive and can be adapted by capacitor only.
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Index to Subjects
… Monopulse, Effects of Automatic Gain Control on: Mar 430 Range Performance of CW, Pulse, and Pulse Doppler: Oct 1753 Scanning withi Ferrite Phase Shifters: Mar 453 Tracking Systems, Scintillation Noise in: May 855 Radiansphere Around a Small Antenna : Aug 1325 Radiation Detectors … Direc- tional HF Antennas: Apr 589 Radio Amateur, Poisson, Shannon and: Dec 2058 Radio Astronomy, Considerations in High- Sensitivity … … Nov 2016 Receivers with Zero Intermediate Frequency: Feb 335 Reflectometer, Rotating Loop: Apr 585 Reflector Feed, Log - Periodic : Jun 1152 Refractive Index …
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A novel log-periodic monopole array
Because of itsextremely broadband characteristics, a log - periodic antenna or array is especially useful in HF communication, as theHF band, 3-30 &IC,can be easily covered with a single antenna of this kind, and the antenna switching is eliminated. For strategic HF communication systems, small broadband transport- ableantennasaredesired.
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Handbook of Antenna Design, Vol. 2
The logarithmic dipole antenna proved easy to optimise, and its radiation patterns and impedance characteristics are sub- stantially better than those of the early log - periodic . … very low level of backlobe radiation, typically 25dB below main-lobe gain at HF and up to … Each element has smaller elements in front of it and larger elements behind, and so tends to …
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Back cover
log - periodic dipole arrays:terrain factors. loop antennas :electncally small magnetically loaded multlturn loop antenna in HF radar .
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Radar Handbook, Third Edition > Chapter 20 HF Over-the-Horizon Radar
… transmit power in the range of 200–1000 kW is generally appropriate for detecting small aircraft targets over … In order to radiate power efficiently, the transmitting antenna elements tend to be large, resonant structures; for example, the vertical log - periodic antennas used in the TORN system are up to 43 m tall. … traditionally been based on the precept that efficiency is of low importance for HF reception because external …
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Dynamic particle swarm optimisation for the design of loaded wire antennas
Electromagnetics in Advance Applications (ICEAA ’07), Torino, Italy, 17–21 September 2007, pp. 199–202 7 Best, S.R.: ‘A discussion on the properties of electrically small self- resonant wire antennas ’, IEEE Antennas Propag. … 2004, 46, (6), pp. 9–22 8 Mattioni, L., Marrocco, G.: ‘Design of broadband HF antenna for multimode … Lett., 2005, 4, pp. 179–182 9 Fernandez Pantoja, M., Rubio Bretones, A., Garcia Ruiz, F., Garcia, S.G., Gomez Martin, R.: ‘Particle-swarm optimization in antenna design: optimization of log - periodic dipole arrays’, IEEE Antennas Propag.
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Broadband horizontally polarized HF antenna with extremely low profile above conducting ground
Other commercial HF antenna products like the fan antenna, log - periodic antenna, loaded loop antenna also require a significant height above ground. Serious radiation cancellation will occur when the antenna height is very small compared to the operating wavelength …