6 to 3. Login; Create Account; Search. The horn object is a pyramidal horn antenna with a standard-gain, 15 dBi. Marhefka and the "ARRL Antenna Book". Horn antennas are divided into the following categories: conical; sectoral; pyramidal; corrugated; The pyramidal horn antennas are best suited for DIY. First of all What is the equation of the antenna, it's very simple to calculate. The calculator calculates antenna gain and antenna beamwidth both horizontal and vertical. 1 kΩ = 1,000 = 10³ Ω. Available waveguide components include waveguide to coax adapters, waveguide horn antennas, wave guide terminations (loads), waveguide sections and bends, plus more. Vivaldi antennas are planar antennas that work over a wide frequency range. RF & Microwave Calculators Advertisement. The input and output of such a function are: INPUTS: l0 (m), a (m), b (m), A (m), B (m), L (m) OUTPUT: D0. By. This calculator can help you to determine gain (dBi or numeric) and antenna factor based on your antenna’s frequency range and one other parameter. 5 dB over operating bandwidth. With optimization in HFSS,. 5, Narrow dimension = 0. What is a pyramidal horn antenna gain calculator? This online pyramidal horn antenna gain calculator is used to calculate the gain (in dB) of the pyramidal horn antenna by. What is the relationship between antenna gain and beamwidth? There is an inverse relationship between antenna gain and beamwidth. There can be many such working structures, and with different sizes. 3 dBi, Weight 0. SINAD to ENOB Calculator. 998 × 10 8) G = Antenna gain (Linear value) The effective antenna aperture can be. This calculator is useful for calculating the required antenna element length of a dipole or rod antenna for the frequency of interest. 11 Meter Yagi Antenna. RF & Microwave Calculators Advertisement. PCB Loop Antenna Calculator; Wokatenna Design; Yagi Uda Antenna Designer (NBS Tech. Horn Antennas Product. . Applying selected criteria, the case of the E-plane horn antenna was used to evaluate this technique. Gaussian Optical Lens with. 3-4. . /. details. Advertisement. A horn antenna calculator simplifies the process of determining critical parameters like length, aperture width and area, flare angle, cutoff frequency, and gain of. 5, 30. 35 to 170 GHz. Antenna Calculators. Parabolic Dish Calculator Horn Antenna Calculator Dipole Antenna Calculator Patch Antenna Calculator Antenna near field calculator Antenna gain calculator Antenna G/T ratio calculator. It consists of three elements viz. 5 ⋅A eλ⋅A hλ) dB over dipole where A eλ is the aperture dimension in wavelengths in the E-plane and A hλ is the aperture in wavelengths. Note 688) Yagi Uda Antenna Designer (Rothammel/DL6WU) Filter Designer (Audio, AF) Lowpass Filters. The approximate gain of a horn antenna can be calculated using the following formula: Gain (dBi) ≈ 10 * log10 ( (4 * π * Aperture Area) / λ^2) Where: Aperture Area is. . What is the formula for Yagi antenna? The formula for a Yagi antenna includes calculations for element lengths, spacing, and parasitic elements. Horn Antennas; Hybrid Antennas (Log-Bicon) Log-Periodic Antennas; Rod Antennas;. everything RF has created a series of RF calculators to help engineers and students with common calculations that they need to conduct frequently. Tags: Standard Horn. Despite the fact that the antenna has a slightly lower gain than 4xQuados, its making is simpler and every who makes Bi-Quad antenna will always have a desire to add two extra squares to it. Symmetrical Horn TP Antennas. Where: Gain (dB) = Gain of the conical horn antenna in dB (i. This antenna is simulated using a commercial solver, FEKO (which runs method of moments). A Twin Lead J-Pole Antenna is a simple yet effective antenna often used in amateur radio. QWH-SL. Example 1: Calculate the power density for a given antenna transmitting 100 Watts with a gain of 10 at a distance of 100 feet. . Gain: 6 dBi at best. 1 3D Modeling Methods. calculator cpp cpp11 amateur-radio antenna amateurradio antenna-design shortwave-radio Updated. Note: If you select a waveguide size from the dropdown below, the broad wall width will be automatically calculated along with the other results. 6 Kg. . 2m Band Moxon - Moxon is a rectangle shaped directional antenna, originally designed by Les Moxon G6XN. Once you subtract the frequency/separation term from your measured path loss, you have the sum of two antenna gains. 203Å -0. The smaller the opening angle (the greater the length of the horn at a constant aperture), the smaller the phase errors at the edges of the aperture, the narrower the major lobe, and the greater the horn antenna gain. . However, the impedance matching is affected and the VSWR is. The half-power beamwidth is 15 degrees in the xz-plane (H-plane) and 11. . f stands for the operating frequency in Hertz. Isolation is 12+24+12=48 dB for two zero dB gain antennas 32 inches apart at 8 ghz. Beyond the. ant = hornRidge creates a double-ridged horn antenna with the default dimensions chosen for an operating frequency range of 10 GHz-12 GHz. The gain of horn antennas ranges up to 25 dBi, with 10-20 dBi being typical. Understanding the Antenna Near Field & Far Field Distances. 4 meter, Antenna Gain (dBi) = 43, Antenna frequency = 6000 MHz OUTPUT: Antenna efficiency = 87. This link is listed in our web site directory since Thursday May 31 2012, and till today "Horn Antenna Designer" has been followed for a total of 3137 times. The gain of the horn is 18. The first model for VHF and UHF frequencies up to 1000 MHz. /. ) 1 Rectangular Horn Antennas Horn antennas are popular in the microwave bands (above 1 GHz). 1 to 0. Its size makes it ideal for restricted spaces. Enter the Wavelength, Number of Turns and the space between each coil to calculate the Antenna Gain, wire diameter, Half Power Beam Width, Beam Width First Nulls and Effective Apperature. 5dB at 30GHz. The HR files are attached. $2,581. more ->Half power beamwidth of an antenna is the angular separation, in which the magnitude of the radiation pattern decreases by 50% (or -3dB) from the peak of the main beam. Parabolic Reflector Antenna Gain. 17THz or 170GHz by using CST Microwave Studio to assess their generated modes. 15 dBi. The ANT-SGH-3. 5–40 GHz). In this case, the thickness of the dipole has a significant effect on its resonant length and input impedance. 5GHz to 40GHz having gain of 18. (HFSS+MAA)-antenna models can be downloaded from our website. 3-elements Yagi-Uda online calculator. Skip to main content. 05) creates a Potter horn antenna with the cone height of 50 mm. This tool that will calculate the near-field and far-field distances based on the antenna dimension and wavelength. Helmholtz Coils; Loop Antennas - Active; Loop. The PEWAN1068 from Pasternack Enterprises Inc is a Horn Antenna with Frequency 140 to 220 GHz, Gain 25 dBi, E Plane 10 Degrees, H Plane 9 Degrees, Weight 29. As mentioned before, the standard gain horn antenna has an approximate 15 dB gain with a 30 degree beamwidth. The aperture, gain, and efficiency of an antenna were all defined in Chapter 1 for antennas in general. This calculator is useful for calculating the required antenna element length of a dipole or rod antenna for the frequency of interest. . 26 to 33 GHz , 12" Focal Length, 3. . 05 can be seen below. Diameter (d) Wavelength (λ) Aperture Efficiency (eA) Calculate. 8-12 GHz Circular Horn Antenna; 11-15 GHz Square Horn Antenna with Dielectric Lens 1; 11-15 GHz Square Horn Antenna with Dielectric Lens 2; Slot Antenna. . Half-Power Beamwidth is the angular distance on ether side of the peak field, or main lobe, of the antenna that represents half of the peak field intinsity. Double Bi-Quad antenna online calculator. Its estimated gain is approximately 8-12 dBi. The design consists of a custom horn an-tenna, ready-to-use radio-frequency components, a software-defined radio receiver module, a computer for recording and analysing the data. The wavelength calculators used to calculate the antenna element dimensions will therefore use the speed of light (299792458 meters per second) in a vacuum as constant. Abstract and Figures. The HRN-0118 generates high electric fields required for radiated immunity and emissions EMC test measurements, and features high gain, low VSWR, moderate power. This page of converters and calculators section covers Horn Antenna calculator . Plot the s-parameters and impedance of cassegrain antenna over a frequency range of 18 GHz to 18. Near Field Feed Model. Waveguide Horn Antenna:table of contents page list of tables . They are plated prior to painting to prevent corrosion. In such horns, flaring is done in both E-plane & H-plane walls of the rectangular waveguide. 3 dB, Beamwidth= 0. It is named after its shape, which resembles a horn. Scroll below the calculator to see. numGridsToSpacing. 4:1 at 146. The fields surrounding an antenna are divided into 3 main regions: Reactive Near Field. Radio waves behave very similar to the photons in light waves. 1. /. Antenna Calculators. 8 kg. Standard gain horn antennas from Pasternack are ordered with a waveguide to coax adapter attached to it, known as a connectorized horn antenna. /2 at waveguide act like a conducting surface while corrugations with depth In horn present a high impedance. Product Showcase. NRL curves for peak gain are provided with each antenna. Open Live Script. The planes of the second direction of the sectoral horn are parallel to each other. The javascript starts with the minimum value of τ = 0. A horn antenna design seeks to determine the values of A, l H or R 1, l E or R 2 and B, and these are related by [1] This work develops a new analytical design technique, using closed formulas based on equations that take into account the exact phase errors and optimize the gain relative to the E- and H-planes. . 5k X/ 2 corrugations keep wave bound as though to a conducting surface Cross section of circular corrugated horn with corrugated transition. Enter the Wavelength, Number of Turns and the space between each coil to calculate the Antenna Gain, wire diameter, Half Power Beam Width, Beam Width First Nulls and Effective Apperature. more ->Half power beamwidth of an antenna is the angular separation, in which the magnitude of the radiation pattern decreases by 50% (or -3dB) from the peak of the main beam. 77 meter 2 Parabolic Antenna calculator. The measured VSWR is 1. PARAMETRIC STUDY A. dBi. By. It often features additional elements or modifications that optimize its ability to transmit and receive signals, making it particularly effective for long-distance communications in amateur radio and. Apr 11, 2019. The double ridge guide horn antennas are an excellent choice where broadband coverage is required, these antennas cover 170 MHz up to 40 GHz. This radar maximum range calculator determines the theoretical maximum range of a radar based on the radar transmitted power, antenna gain or aperture, frequency, radar cross-sectional area of the target, and the sensitivity of the radar receiver. EXAMPLE: INPUTS : Fr (GHz) = 2. This helps in transfer of energy from transmitter module to antenna. Optimal spacing is typically around 0. . Tags: Conical Horn Antenna. RF SPIN. 197kSpread the loveFor an 11-meter Yagi antenna (CB radio), an ideal mounting height is typically around 20 to 30 feet (6 to 9 meters) above the ground. /. Horns are widely used as antennas at UHF and microwave frequencies, above 300 MHz. You can write a Python script in any text editor outside EM. A Magnetic Loop Antenna is a compact, efficient antenna with a looped conductor. A small dimension UWB (ultra wideband) TEM double ridge guide horn (DRGH) antenna, which operates between the frequency range of 0. This calculation tool will assist: The calculation of field Strength levels required by certain immunity standards. 4 Abstract— In Modern times need for wideband applications has increased. Horn antennas consist of a flared waveguide which is shaped like a horn and are used in the transmission and reception of RF microwave signals. How is monopole antenna length calculated? The length of a monopole antenna is calculated using the formula for a quarter-wavelength antenna: Antenna Length (in meters) = Speed of Light (m/s) / Frequency (Hz) / 4. Monopole Antennas. 75 % . It's wide bandwidth and predictability is ideal for many broadband applications. Horn Antenna Calculator. Antenna Database; Pyramidal Horn Calculator; Categories The gain of the conical horn antenna can be calculated by the following formula. 0. Micro-strip spiral antennas provide a low-cost alternative to UWB horn antennas, but common spiral designsHorn antennas are widely used in satellite communications as feed antennas in cassegrain, parabolic reflector antennas. You can write a Python script in any text editor outside EM. The above image shows the model of a horn antenna. Where: r represents the radius of the first Fresnel zone. This paper describes a wide-angle corrugated horn and circularly polarized feed system for use in reflector antennas. 413. 38e-3) creates a ridged horn antenna object with a flare. 2. Other gain values and horn antenna sizes can be designed to your requirements. Tags: Standard Horn. Request A Quote . Note: when using coax for antenna elements it is. Dimensions (in mm) of each part is visible on the photo. 76. The comparison between the smooth wall conical horn antenna and the four types of horn antennas, the dielectric lens-corrected horn antenna, the dielectric loaded horn antenna, the cone. The input impedance is close to 50 ohms. Results showed that the gain. Bowtie antenna online calculator. Many of our dipole antennas have adjustable element lengths and by entering the frequency of interest this calculator will calculate the wavelength (or element length) corresponding. 5. 1-0. Ae = Effective antenna aperture in m 2. There are three basic types of rectangular horns. c is the speed of light in meters per second (approximately 3 x 10^8 m/s). 75 λλλλ. 1 Beamwidth, 341 7-1. A voltage standing-wave ratio (VSWR) of below 2:1 is required with. Enter the diameter, wavelength and efficiency of horn. . Batwing antenna - super wideband bat wings for 3G/4G. **Note: All of our calculators allow SI prefix input. Slayton. Antenna Mast/Positioner; Automotive Antennas; Biconical & E-Field Antennas; Circular Polarized Antenna; Dipole Antennas; HiRF Antennas; Horn Antennas; Hybrid Antennas (Log-Bicon) Log-Periodic Antennas; Rod Antennas; Stacked Log-Periodic Antennas; Antennas Magnetic. Biconical Antennas. This is an online calculator that calculates the gain of an ideal conical horn antenna based on frequency, the diameter of the aperture and aperture efficiency. 15sw115 has already been used for TH and should be the best driver. For the cassegrain antenna with the horn as the exciter, analyze the pattern at 10 GHz. 2. 7k 0. 5 kg. Advertisement. The antenna pattern is optimized by modification of the antenna structure. Attenuator Calculators Balanced Attenuator Calculator. The BBHA 9120 series is suitable for both, transmission and. They are usually used in conjunction with waveguide feeds and direct radio waves in a narrow beam. λ/2 Dipole (Half-Wave Dipole Antenna) Gain: 2. . As a rough estimate, maintaining a distance of at least 10 feet (3 meters) from RF antennas is often considered safe for the general public. These tools are grouped according to. Figure 2. . 5 GHz, whereas the simulated gain of a traditional horn antenna without the metal-via arrays is 6. 5 to +/- 2. Double Ridge Guide Horn Antenna. 3-4. In Figure 1, we have the antenna feed connecting two symmetric sides of a planar metallic antenna. Horn antenna described above. Horn antennas are very popular at UHF (300 MHz-3 GHz) and higher frequencies (I've heard of horn antennas operating as high as 140 GHz). Free-Space Path Loss Calculator Useful formulas for RF related conversions. It’s quite complex and depends on the specific design and frequency of operation. λ = Wavelength . 1 3D Modeling Methods. GTEM Calculator; Search Website. . Calculate Flare Width and Flare Height of Horn Antenna. There are only 3 elements, and by varying the 5 available dimensions (degrees of freedom), we can get an antenna for both 50 and 75 ohms, with different gain, different bandwidth, etc. The focus on one side of the lens needs to coincide with the phase center of the conical horn antenna. Dipole Antenna. Given the Wind Speed, the total antenna square area, and the boom length, it. 8 GHz. About Us; Contact Us; RF Amplifier Quotation; Quality Statement; Our Team; Custom Design; Engineering Capabilities; Blog; Standard Amplifier. (The method I'm following is proposed by Leandro de Paula Santos Pereira and Marco Antonio Brasil Terada in New Method for. If you have no particular preference within a given ham radio band, then simply enter its center. Grounding is recommended for safety. Limitations and features of antenna calculations. On this line there is a point with an input impedance of 50 ohms to which the feeder is connected. This calculator uses the. FMWAN1068. This frequency to wavelength calculator is especially useful for the calculation of the element length of the dipole antennas. The Propagation Group Design of Horn and Waveguide Antennas 9 Designs and Calculations 2. In this paper, a broadband double-ridge horn antenna (DRHA) covering 5G millimeter-wave (mm-wave) band is proposed, which maintains stable radiation pattern and gain in the entire band. Frequency and Wavelength Calculation. • Finish: Unique corrosion resistant 316 stainless steel epoxy coating IAW MIL-F-14072 (above WR22) Optional Features: • Calibration data - see a Typical Calibration Report. The conductor width isn't of great importance in the design. 2729 m. • Gain calibration is an optional feature. Optimum Gain Concial Horn (max gain for a given aperture size) (Reference: King's. Cantenna online calculator. They can be rotated for directional tuning and are effective for. Conical gain horn antennas are used in a variety of applications due to their high power handling capability constant electrical performance across a broad bandwidth. The Vivaldi is extremely light weight and could be easily developed as an array with relatively lower cost than the horn antennas. Fig. Fig. Let's calculate the Double Bi-Quad antenna. Other horn antennas are available with different apertures and flare angles that will increase or decrease the gain of the antenna. More details for ANT-SGH-4. Hits: 13107. Universal 3G/4G/Wi-Fi MIMO feed for satellite. Antenna Gain at the desired frequency. The antenna can be used as a self-made indoor antenna of a GSM/4G repeater,. At the narrow end of the tapered horn is a waveguide with parallel walls, and inside this waveguide is a quarter-wave ground-plane vertical antenna that converts the electromagnetic wave into an electrical current that is sent to the receiver via a cable. • Design an E-plane horn so that the maximum phase deviation at the aperture of the horn is 56. dual-ridged horn antenna has excellent radiation characteristics in the operating frequency range of 20 GHz to 26 GHz. . It is based on the book "Antennas For All Applications" by John D. Data conversion. The coil electrically extends the antenna, maintaining resonance and radiation efficiency. I know how to optimize the antenna dimensions by taking into account some functions that approximate the phase errors and efficiencies. 6 GHz to 3. , the focal length is 300mm Typ. . . Figure 2. Antenna Downtilt Coverage Radius Calculator; Conical Horn Antenna Gain Calculator; EIRP Calculator; Line of Sight Calculator; Parabolic Reflector Antenna Gain; In this paper, a broadband double-ridge horn antenna (DRHA) covering 5G millimeter-wave (mm-wave) band is proposed, which maintains stable radiation pattern and gain in the entire band. 05 GHz, Gain 18. Typical Gain Variation: +/- 1. We also have a listing for standard gain antennas, or also known as pyramidal horns, these antennas are very precise and predictable through design parameters covering a range of 750 MHz up to. . Type-N Model: 300-500 watts. 2. To suppress back radiation a choke is added to the horn aperture edge. It typically handles 100-200 watts of power, should be mounted at least 1/2 wavelength above ground, and exhibits omnidirectional radiation. StarterHorn™ A45° USMA. More products. Antenna Gain (G) = (4 x Pi x A e )/λ 2 = (4 x Pi x f 2 x A e )/c 2. 0dB. . The design method of the dielectric surface equation is given. A 5-element Yagi antenna is a directional antenna with a driven element, a reflector, and three directors. This calculator is used to predict the theoretical attenuation between two antennas in free space by entering the distance, frequency, and antenna gains. It’s best suited for long-range point-to-point. Use this online calculator to calculate Antenna Spot Size at a given distance using half-power beam width angle. The position of the horn is changed to the center of the bigger parabolic disc. 11b Horn Antenna Designer: Antenna calculator Wi-Fi Antenna Extension Loss Calculator : Antenna calculator dipole antenna calculator, Yagi antenna calculator, Find the length of a dipole, 3 element yagi : Antenna calculator dipole antenna calculator, Yagi antenna calculator: Antenna calculators Folded dipoles,. It is named after its shape, which resembles a horn. 9 GHz, Gain 18. A circular horn antenna can be either conical or biconical in nature. They are used as feed antennas (called feed horns) for larger antenna structures such as parabolic antennas, as standard calibration antennas to measure the gain of other. details. The Formula of Horn Antenna Length Calculator Before we dive into the calculator's usage, it's essential to understand the underlying formula: L = (3 x 10^8 m/s. Marhefka and the "ARRL Antenna Book". A voltage standing-wave ratio (VSWR) of below 2:1 is required with. The impedance at the input end of a transmission line, if it's loaded with a complex impedance at the output, which is most often the case in antenna designing, is also a complex value. SAS-571. Conical Horn Antenna Gain Calculator; EIRP Calculator; Line of Sight Calculator; Parabolic Reflector Antenna Gain; Follow Us: QUICK LINKS. Horn antennas consist of a flared waveguide which is shaped like a horn and are used in the transmission and reception of RF microwave signals. 4 Antenna tuning The rectangular waveguide and the pyramidal horn are both built for 915 MHz. By loading a metamaterial lens. The radiation produced by loop antenna is comparable to a short dipole antenna. Horn antennas often have a directional radiation pattern with a high antenna gain , which can range up to 25 dB in some cases, with 10-20 dB being typical. Vivaldis fit into smaller spaces than a ridge horn antenna because they can be made from flat laminate. 1 — transmitted energy, 2 — returning energy, 3 — antenna beamwidth. The calculation is based on two ANSYS HFSS antenna models. . . For example, hornPotter ('ConeHeight',0. Hits: 11008. Half the side to side beamwidth, if you are concerned to. Description. This antenna configuration provides moderate gain and directivity, making it suitable for point-to-point communication and direction-finding applications with. The Vivaldi antenna, sometimes referred to as or the Vivaldi notch antenna, and also known as the tapered slot antenna (TSA), is easy to fabricate on a circuit board, and can provide ultra-wide wide bandwidth. LECTURE 18: Horn Antennas (Rectangular horn antennas. Horns covering different frequency bands with various beam width and gain options are needed. Bowtie antenna online calculator; Bi-loop antenna online calculator; Horn antenna online calculator; Corner reflector antenna online calculator; 3D-corner antenna, design and calculation; Cloverleaf. This page of converters and calculators section covers Horn Antenna calculator . λ = Signal wavelength in meter (m) = c/f ( where f = signal frequency, C = speed of light = 2. See ATM Flanges for detail. Additional Resource. Horn Antenna Calculator : This horn antenna calculator takes operating frequency of horn, flared flange narrow and broad dimensions as inputs. Antenna Positioning λ G = 30,57 cm – Waveguide Wavelength d = λ G /4 = 7,64 cm – Quarter Wave l = λ G *3/4 = 22,92 cm – Waveguide Lenght. 98. Construction & Working of Horn Antenna. A e =Effective area. Diameter (d)Noise Factor to Noise Figure Calculator. The TDK HRN-0118 Horn Antenna (1-18 GHz) is a wide band, double-ridged horn antenna used to transmit and receive microwave signals over the frequency range of 1 GHz - 18 GHz. Flare length of the horn = 0. The H1498 from CAES is a Horn Antenna with Frequency 2 to 18 GHz, Gain 6 to 11 dBi, E Plane 80 Degrees, H Plane 50 Degrees, Power 50 W. Phone: (858) 381. B&C 15SW115, B&C15CL76 (cheap) and Beyma 15G300 8 (because it is laying around) - were tested. 24 GHz Edge-Fed Vilvaldi Antenna on RT5880; Horn Antenna. Antenna length can be calculated using the formula: Length (in feet) = 468 / Frequency (in MHz). 300MHz – 3 GHz. 9 from NSI-MI Technologies is a Horn Antenna with Frequency 3. The folded dipole’s length is typically 0. Efficiency (k) %. It is usually an assembly of flaring metal, waveguide and antenna. The principle of main lobe, side lobes, and nulls in the radiation pattern of an antenna array is the same regardless of the basic radiating element. Example: Calculate the effective antenna aperture of the Russian RT-70 radio telescope in Crimea (Russia): its antenna gain is 69. More products. 7 GHz to 40 GHz depending on. Look in textbooks for the chapter “Broadband Cylindrical Dipole”. e. 52 MHz will result in only 46W of actual power at the antenna. /. Horn antenna described above. Generally, the spacecraft is covered with thick layers of dielectric ablative. 8-12 GHz Circular Horn Antenna; 11-15 GHz Square Horn Antenna with Dielectric Lens 1; 11-15 GHz Square Horn Antenna with Dielectric Lens 2; Slot Antenna. 6 GHz to 3. This CalcTown calculator calculates the half power beam width (HPBW) of a parabolic antenna. These antennas direct the beam towards the reflector. It was then decided to design an array of Vivaldi antennas to obtain a narrower beamwidth. The model DRH18-E is lightweight and compact, yet can cater to. D = Antenna dimensions (Can be the length or diameter of the antenna) f = Signal Frequency. Parabolic antenna calculator example: INPUTS: Frequency = 14. Compliance Engineering’s standard gain horn antenna series are linearly polarised and cover the frequency range 260 MHz through 110 GHz, depending on the horn selected. The antenna is modeled in HFSS software and optimized for Wi-Fi and 4G bands. 2m diameter and transmits at 14 - 14. The horn antenna is known for its wide bandwidth, high gain, and low sidelobe levels. 50 dBi at 35. 1-12-440EM-NF. Horn. Abstract and Figures. These antennas offer. This horn calculator is developed by the Etheraudio with invaluable assistance of Bulgarian Audiophile Society enthusiasts and some theoretical materials published in the Internet.