VISUAL BASIC & MAP BASIC APPLICATION. 00 feet, Antenna Ht. then divide both sides of the equation by rad, to get the conversion ratio. 10 10. Note: If you select a waveguide size from the dropdown below, the broad wall width will be automatically calculated along with the other results. 5 Mbps using 250 KHz channel. 901' (default) 'isotropic' Antenna element radiation pattern as described in TR 38. . 5 x "4G vertical 3 dB beamwidth" = 5G mechanical downtilt + 5G CSI-RS beam envelope tilt where: • Before using this method to plan the NR downtilt, check whether the LTE downtilt is planned based on the principle of "Upper 3 dB pointing to the cell edge". electrical downtilt. 18 0. pdf), Text File (. Frequency. RF Calculator. 25 hours. Note: The final […]Waveguide Calculator (Rectangular) Fairview Microwave's Waveguide Calculator provides the cutoff frequency, operating frequency range and closest waveguide size for a rectangular waveguide based on the custom inputted broad wall width. 0 Release 15 5 ETSI TR 138 901 V15. They can not reflect all aspects of real installation. Working of This Calculator: Following is the input guide that will help you to know how to use this SOHCAHTOA triangle calculator: Input: Among 6 input fields, enter only two in their respective fields; After that, simply tap the calculate button; Output: The calculator employs SOHCAHTOA to find angles and sides of the triangle ratios entered. The parabolic reflector antenna gain is calculated as the gain over an isotropic source. Transmitter Height. 4 - 2. This angle, measured in degrees, influences the coverage area and signal strength of the antenna. Antenna Height (H in feet) Feet. and the antenna downtilt of each base station in all the cov erage clusters need to be adjusted, acquiring an adjustment value for the capacity or coverage weight of each base station and an adjustment value for the antenna downtilt of each base station according to an optimization strategy, and sending theVSWR (pronounced "viswar"), or the Voltage Standing Wave Ratio, is the ratio of the maximum standing wave amplitude at one node to the minimum amplitude at another node in a system. Interest Rate. 20 Over Horizon Over Horizon 4 0. RF Calculators & Conversions. 0° Vertical Beamwidth Angle Antenna Downtilt Angle Antenna main lobe-3dB-3dB Inner cell radius Outer cell radius Calculator for Downtilts Input data Calculated Antenna configuration and characteristics Antenna type Antenna height 1 10 742215 20 Antenna height Downtilt (electrical) Downtilt (mechanical) Vert. Calculate the lengths of RG-58 (Velocity Factor =0. The present invention provides a method, a device, and a system for optimizing a tradeoff between capacity and coverage of a network. As mentioned below the Ubnt omni's have between 2 and 4 degrees of downtilt, and between 7-12 degrees of vertical beamwidth. 54 0. Subtract the initial value from the final value, then divide the result by the absolute value of the initial value. 66) required for each dipole. Half power beam width is the angle in. Calendar Generator – Create a calendar for any year. dBm Converter dBm (decibel-milliwatts) conversion calculator. Kit contains one scissor top bracket set and one bottom bracket set. The answer is the percent increase. 3. Middle. The signal coverage range of an antenna can be controlled by adjusting. The method includes: receiving statistical information and a first count that are sent by a base station; establishing at least one coverage cluster; calculating cluster values of all the coverage clusters; acquiring an. Downtilt can be accomplished using the following methods: Mechanical downtilt: This process involves physically adjusting an antenna’s pole-mount brackets, using a digital level set against the back of the antenna to obtain an accurate measurement. )With downtilt, the beamwidths are manipulated to provide more coverage below the antenna than above the antenna. To calculate the power density of an antenna, one must measure the power/square cm, in space, from the center of the antenna. Online Calculators How to Buy Calculations: Downtilt Coverage Radius The downtilt coverage radius can be calculated by the formula listed below, which takes half of the antenna beamwidth in each direction of the downtilt angle from the height of the antenna. txt) or read online for free. The present invention provides a method, a device, and a system for optimizing a tradeoff between capacity and coverage of a network, which relate to the field of communications, so as to implement the object of optimizing the capacity and coverage of a cell and effectively controlling the coverage hole and coverage overlap performance of the entire network. desa watu agung. Email support availble to premium users. Equation. ca Antenna Height: 75ft Antenna Beamwidth: 7° Downtilt (°) Inner Radius (miles/km) Outer Radius (miles/km) 0 0. WCDMA Link Budget. Antenna Downtilt Coverage Radius Calculator is used to compute the inner & outer signal coverage diameter of any area by using the height of antenna, Downtilt angle and vertical beamwidth. Antenna Calculators: Antenna Downtilt Angle Calculator | Antenna Downtilt Coverage Calculator | Antenna Near Field Distance Calculator | EIRP - Effective Isotropic Radiated Power | Helical Antenna Design | Line of Sight Calculator | Microstrip Patch Antenna Calculator | Parabolic Antenna Gain Calculator. yaro82. angles = 1×2 147 287. The Antenna Downtilt and Coverage Calculator (aka Antenna Tilt Angle Calculator) is used to determine the approximate downward angle, measured in degrees, which the. Wide Profile Antenna Downtilt Mounting Kit for 2. Dears, Please do you have Advanced Down-Tilt Tool (Macro or exe file, etc) That calculate required Down-Tilt values to cover X Meters but to be advanced that take in considerations: Operating Freq. A 30-year term is 360 payments (30 years x 12. We . 2574. caltulatof for downtilt Result: Free Space Path Loss (FSPL) calculations are often used to help predict RF signal strength in an antenna system. Thomas, Eugene Visotsky, Frederick W. This Tool will provide you 5 Items calculation as below: 1. exe. When the antenna is tilted down, we call it ‘downtilt’, which is th. The present invention provides a method, a device, and a system for optimizing a tradeoff between capacity and coverage of a network. 15 min × (1 hr / 60 min) = (15/60) hr = 0. Correct Downtilt Angle Ubiquiti Munity. Input the values into the formula. Our theoretical and numerical results show that after applying the optimal antenna downtilt, the network performance can be improved significantly. The downtilt coverage radius can be calculated by the formula listed below, which takes half of the antenna beamwidth in each direction of the downtilt angle from the height of. pdf), Text File (. EP2838289A1 EP12875979. 6214 miles 1 feet = 0. Basic Path Analysis Tool. The tilt angle or distance can be calculated by providing the base antenna height Hb, remote antenna height Hr and either the tilt angle or distance. Loan Term. Antenna Downtilt Calculator - Free download as Excel Spreadsheet (. Noise Factor to Noise Figure Calculator. #DIV/0!for greater downtilt than is possible using the VTX A12 AF alone. 65° H (Heavy) 120° mounting hardware. CONICAL HORN ANTENNA GAIN CALCULATOR. English to Spanish translations [PRO] Tech/Engineering / Antennas. Enter the Height above average terrain . 2674. Downtilt Calculator - Free download as Excel Spreadsheet (. Antenna Downtilt Calculator. Use the conversion ratio to complete the unit conversion, basically dividing the input by 1, the ° units cancel out, and we are left with rad units. Antenna Downtilt Calculator. Legal disclaimer: This calculator is designed to be an informational and educational tool. pdf), Text File (. Dictionary meaning of tilt is "incline or bend from vertical position". The tilt applied on the upward is referred as uptilt and the tilt applied on the downward side is referred as downtilt. Frequency to Test(MHz) Vertical Separation (Unit of Measure) Note: The values indicated above are approximate because of coupling which exists between the antenna and tower transmission line. pdf), Text File (. It also provides, given a beamwidth, the inner and outer radii of beam's coverage. xls - Free download as Excel Spreadsheet (. Multiply the result by 100. **Note: All of our calculators allow SI prefix input. (Note that TR 38. Embed. Touch device users, explore by touch or with swipe gestures. US20150057005A1 US14/529,916 US201414529916A US2015057005A1 US 20150057005 A1 US20150057005 A1 US 20150057005A1 US 201414529916 A US201414529916 A US 201414529916A US 2015057005 ACalculate the directivity magnitude, azimuth, and elevation angles from a helix's radiation pattern at 2 GHz. If you have no particular preference within a given ham radio band, then simply enter its center frequency (i. To find out how long to make each leg of a Dipole antenna, dividing the frequency in MHz into 468 will give the overall length. * 각각 네 가지 변수 입력 후 Calculate 클릭. jagdeepnehra007. The method includes: receiving statistical information and a first count that are sent by a base station; establishing at least one coverage cluster; calculating cluster values of all the coverage clusters; acquiring an. 0% 0% found this document not useful, Mark this document as not useful. . 1 = 57. 4. Link Calculator 2. Wide Profile Antenna Downtilt Mounting Kit for 2. 66 ) required for each dipole. xls), PDF File (. Search inside document . antenna height must be closely matched. Here we use the well known Hata Model. U. Antenna beamwidth is the angular measure of the antenna pattern coverage. It assumes there is nothing between the radio signals and the antenna horizon. Using this tool not only saves time and effort in manually calculating speaker distance, but it also ensures that the audio system is set up for the best sound quality possible. Learn how to plan for antenna downtilt and how to ensure installations are done correctly. 9 % uptime/availability results in the following periods of allowed downtime/unavailability: . e. Antenna Design Ysis And Simulation 2017 11 29 Microwave Journal. 3. * Visual Studio Community 2019로 코딩. Trine University. 1 Quick Predict Antenna Tool for Ant18dBi - Free download as Excel Spreadsheet (. Finally, click calculate and voila, the Far Field Distance Calculator will generate the optimal distance for speaker placement. Efficiency (k) %. The calculator provides an estimate of the isolation provided by two vertically separated antennas. Reset. Wide Profile Antenna Fixed Tilt Mounting Kit for 2. Antenna beamwidth is the angular measure of the antenna pattern coverage. Distance from front of antenna to parapet wall or edge of roof : Electrical or Mechanical Downtilt of Antenna (in degrees): Vertical beamwidth of antenna (in degrees): Height of parapet wall (leave blank if none): HEIGHT NEEDED TO CLEAR EDGE: Antenna Placement Distance Calculator 40 feet 4 deg 6 deg 4 feet 8. Edit 2: After finding the source code for this move, and studying up on how to calculate hitstun, I have more or less verified these findings (i. Downtilt can be accomplished using the following methods: Mechanical downtilt: This process involves physically adjusting an antenna’s pole-mount brackets, using a digital. 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. Inputs. Main Page / Operate Your Network and 'Run Your Business'. 17 1. Antenna downtilt calculation. 1 mile = 1. In other words, Beam width is the area where most of the power is radiated, which is the peak power. 3 kg 3. Open navigation menuThe effect of downtilt in RF coverage and signal strength is discussed in this section. It works the same way as the 5-key time value of money calculators, such as BA. The system will then calculate the distance or the angle for you. 24 Over Horizon Over Horizon 3 0. and Canada (866) 727-8376 International +1 (949) 261-1920US9426677B2 US14/529,916 US201414529916A US9426677B2 US 9426677 B2 US9426677 B2 US 9426677B2 US 201414529916 A US201414529916 A US 201414529916A US 9426677 B2 US9426677 B2 US 9426The vector elements specify the bearing, downtilt, and slant, respectively. Step 6) Calculate the fitness functions of each particle X i. SHOW MOREAntenna Downtilt Calculator Beamwidth - Radartutorial Parabolic antenna - Wikiwand Setting the elevation angle of dish. ° (degree) Inner Coverage Radius. Calculate the lengths of RG-58 (Velocity Factor=0. -178 4. Basic Path Analysis Tool. You may have to register before you can post: click the register link above to proceed. txt) or read online for free. Kit contains one scissor top bracket set and one bottom bracket set. Base Antenna Height (H b) Remote Antenna Height (H r) Distance Between Two Antennas. Scribd is the world's largest social reading and publishing site. If the dielectric constant of the material is not known, you can choose to put in the velocity of. Learn More About How Far Your Two-Way Radio Can Transmit and What are Some of the Most Important Factors to Calculate When Trying to. CONICAL HORN ANTENNA GAIN CALCULATOR. The downtilt is most beneficial and the same has been taken into consideration through out our discussion. Besides the downward angle, this tool. Muhammad Shahid. No description available . To calculate the UE MAC address, convert the last 12 digits of the IMSI number to hex, and then prefix it with 8A. ), the calculator generates the required RX sensitivity and the estimated RX signal strength in the receiver end. Therefore, this research aims to enhance the gain of a slotted microstrip antenna in the UHF RFID communication band. Use the conversion ratio to complete the unit conversion, basically dividing the input by 1, the ° units cancel out, and we are left with rad units. 87 6 0. Share. When the antenna is tilted down, we call it ‘downtilt’, which is the most common use. US20150057005A1 US14/529,916 US201414529916A US2015057005A1 US 20150057005 A1 US20150057005 A1 US 20150057005A1 US 201414529916 A US201414529916 A US 201414529916A US 2015057005 ACalculate the directivity magnitude, azimuth, and elevation angles from a helix's radiation pattern at 2 GHz. Note: If you select a waveguide size from the dropdown below, the broad wall width will be automatically calculated along. Scope of supply Panel and 2 units of clamps. years months. These radio frequency calculators help with unit conversion, attenuator design, antenna design, radars, and various other basic calculators. 8° Weight 26 kg / 28 kg (clamps incl. sxcvhbjnk,;Rf Link Budget Calculator Web-1. 0. ca Antenna Height: 75ft Antenna Beamwidth: 7° Downtilt (°) Inner Radius (miles/km) Outer Radius (miles/km) 0 0. A microstrip patch antenna is one of the most popular microwave antennas. Diameter (d) Wavelength (λ) Aperture Efficiency (eA) Calculate. For example, to calculate the return rate needed to reach an investment goal with particular inputs, click the 'Return Rate' tab. Trine University. Link Calculator 2. So let's begin by looking at 3 different use cases of increasing high client density and complexity. Direitos autorais: Attribution Non-Commercial (BY-NC) Formatos disponíveis. Get HUAWEI WATCH GT 2 screen and battery replacement, download. Therefore: 4G mechanical downtilt + 4G electrical downtilt – 0. using polarpattern and specify a title to the plot. The downtilt is depicted in the figure-1. Antenna Downtilt Calculator. Antenna Downtilt and Coverage Calculator. dollar in different years. Moreover, the corresponding downlink capacity gains varied between 0-58%. Procuct Brochure. Bandpass Filter Calculator This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter. The vector elements specify the bearing, downtilt, and slant, respectively. 16:42 Feb 12, 2002. It should only be used. d2 signifies the distance from the receiver to the point of interest. The Tee attenuator consists of one series resistor at the input and two parallel, one of which is grounded while the other goes to output. In one typical RF application, VSWR is used to measure the amount of reflection due to impedance mismatch. Omni’s can be useful but the area of coverage vs. Downtilt Calculators assist in determining the optimal angle for an antenna’s tilt concerning the horizontal plane. With the tilt, we direct irradiation further down (or higher), concentrating the energy in the new desired direction. The parabolic reflector antenna gain is calculated as the gain over an isotropic source. Calculate Radio Horizon, Center of Vertical Beam horizon and 3 dB point beam horizons. This calculator will determine the correct antenna downtilt angle given the heights of the antennas and the distance between them. After that, simply tap the calculate button. Section 6: 5G Downtilt Planning Antenna Tilt Types -Mechanical Tilt -Electrical Tilt -Preset Electrical Tilt -Mechanical Tilt Total 5G Beam Downtilt Same Coverage of SSB and CSI-RSRP Beams 5G RF Downtilt Planning Principles. Antenna downtilt angle calculator uses height (in feet) and distance (in miles). This calculator determines the correct antenna downtilt angle given the heights of the antennas and distance between them. Legal disclaimer: This calculator is designed to be an informational and educational tool. Then, display the polarpattern properties. A typical collinear with 5 dBd gain has approximately a 14 degree vertical beamwidth. Besides the downward angle, this tool will also give you the inner and outer radii of coverage given the antenna's beamwidth. Antenna Beam Tilt Calculator Posted on February 26, 2021 by Sandra Downtilt how to set it rhombic antennas finding dish offset angle antenna calculators design rhombic antennas Downtilt Calculator - Free download as Excel Spreadsheet (. The antenna downtilt and coverage calculator (also known as antenna tilt angle calculator) is used to determine the approximate downward angle, measured in degrees, which the transmitting antenna is to be positioned for optimal signal strength and coverage. xlsxResult: Free Space Path Loss (FSPL) calculations are often used to help predict RF signal strength in an antenna system. A beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more. Fairview Microwave's RF calculators and conversions section provides engineers valuable and easy-to-use tools ranging from complex mathematical formulas to simple conversions. DESCRIPTION; ALL VARIANTS @ Advertisement Remove ads, dark theme, and more with Premium. Check part details, parametric & specs updated 25 SEP 2023 and download pdf datasheet from datasheets. 4 - 4. Dictionary meaning of tilt is "incline or bend from vertical position". Antenna Electrical downtilt is widely used in mobile communication networks for changing antenna radiation pattern and coverage area when downtilt angle is changed, thus the main lobe of the. The present invention provides a method, a device, and a system for optimizing a tradeoff between capacity and coverage of a network. Web-Based RF Calculators From Pasternack Pasternack is known for their wide assortment of RF adapters, attenuators, connectors and cables and has been growing their product line with passive and active components, including 60 GHz microwave systems. Downtilt Coverage Radius - Free download as Excel Spreadsheet (. , physically adjusting each antenna element pole mount) or electrical downtilt (e. The calculators also calculates the radio horizon. Converting from minutes to decimal hours. The 5G New Thinking (5GNT) DCMS funded 5G T&T project commenced in May 2020, this will be building upon the many achievements and learnings gained from the 5G RuralFirst (5GRF) project Phase 1 and Phase 2, which ran from June 2018 up until September 2019. Setting The Downtilt On Your Telrad Lte Sector Steve Discher. This is the easiest and fastest way to control an antenna’s pattern, but the downside is that. Download now. txt) or read online for free. ft. —and calculates both the typical system return loss along with the worst case return loss. Andrea M. NOKIA SIEMENS NETWORKS. - Pi Attenuator Calculator. EP2838289A1 EP12875979. 64 shows a point P P as the center of mass of a lamina. This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them. 00 feet, antenna height Answer 14. If the inclination is up (very rare and extreme cases), we call ‘uptilt’. 17 1. . 9 (or uptime. Ourtheoretical and numericalresults demonstrate that the performance of the cellular network can be improved significantly using the optimal antenna downtilt. 7. then divide both sides of the equation by rad, to get the conversion ratio. 15 0. 0 kg 3. ANTENNA DOWNTILT CALCULATOR Antenna Height: 75ft Antenna Beamwidth: 7° Downtilt (°) Inner Radius (miles/km) Outer Radius (miles/km) 0 0. Specifically, with the optimal antenna downtilt. Therefore the lower 3 dB point would be at 7 degrees below the horizon. Antenna Downtilt Angle Calculator. λ indicates the signal's wavelength in the medium, usually given in meters. -3 2. Learn more about how we can help you protect your people, processes, and profits. Tems-Coordinate-Converter. Tacacs Radius - Free download as Word Doc (. RF Calculator. See the NIST outdoor propagation calculator PropCalc for a comparison of several empirical propagation loss models. Category of. Four main factors which differentiate antennas are frequency response, impedance, directivity, and electromagnetic polarization. Same-day shipping if you order in the next hours!. 5. download - Radio Frequency Systems . sip. and Canada (866) 727-8376 International +1 (949) 261-1920US9426677B2 US14/529,916 US201414529916A US9426677B2 US 9426677 B2 US9426677 B2 US 9426677B2 US 201414529916 A US201414529916 A US 201414529916A US 9426677 B2 US9426677 B2 US 9426We would like to show you a description here but the site won’t allow us. fKey algorithm comparison. )Plot the radiation pattern of a dipole antenna operating at 75 MHz. download - Radio Frequency Systems . Basic Path Analysis Tool. 1. Only scrambling codes k = 0, 1, , 8191 are used. txt) or read online for free. Half-power Beam-Width 30 40 h= 50 m. Antenna Downtilt and Coverage Calculator This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them. Our RF and microwave calculators and converters will provide the figures you need for your radio frequency engineering needs. Same-day shipping if you order in the next hours!. Mitofsky. Spanish translation: inclinación vertical eléctrica. **Note: All of our calculators allow SI prefix input. factor antenna downtilt calculator pasternack vswr calculator reflection coeffecient calculator return rf calculators everything rf pi and tee attenuator calculator everything rf watts to dbm. 11 0. Frequency to Wavelength. For further information on this formula, please review the figure below. Save Save Antenna downtilt calculator For Later. txt) or read online for free. **Note: Like our stripline impedance calculator, all of our RF calculators allow SI prefix input. Power Density Calculator - Electrical Engineering The center of mass is also known as the center of gravity if the object is in a uniform gravitational field. Directory 2012. An example use case is when a cell-tower directional transceiver […] Antenna Down Tilt Calculator and Coverage Tool: Used to determine the approximate downward angle, measured in degrees, which the transmitting antenna is to be positioned for optimal signal strength and coverage. The default value indicates that the broadside direction of the array points to the positive x-axis. The overall result show full agreement with the trend of the FSPM. The Antenna downtilt angle calculator calculates distance from tilt angle and tilt angle from horizon distance. dBm to Watt: Tool to convert the dBm to Watt unit 3. Link Calculator 2. Our antenna Power Density Calculator is a measurement tool specifically designed for far-field calculations and will give power density, in Watts per square meter, at a given distance, output power and antenna gain. The required bandwidth is then B = (4 KHz) 10 + (500 Hz) 9 = 44. Transmitter Height: Meters Receiver Height: Meters Kilometers Beamwidth (deg): Result: ⤵ Downtilt Angle: (Total Antenna Downtilt) Inner Coverage Radius: (Lower Side Loop) Outer Coverage Radius: (Upper Side Loop) Others to see: CONVERSION TOOLS 2. Equation. 20 Over Horizon Over Horizon 4. SHOW MOREAntenna Downtilt Calculator Beamwidth - Radartutorial Parabolic antenna - Wikiwand Setting the elevation angle of dish. 11 0. Page ID. Remove the outer jacket and shield from the coax and slide the dielectric and center conductor into the brass tube. An Antenna Downtilt and Coverage Calculator, or Antenna Tilt Calculator, aids the user by providing an approximate downward angle at which to install a directional antenna to reach desired signal strength and coverage between a transmitter and receiver at different heights and some distance away. Gustavo Cruz Saldaña. 63 mi 2. hermann_cuadros. Besides the downward angle, this tool will also give you the inner and outer radii of coverage given the antenna's beamwidth. 29 Over Horizon Over Horizon 2 0. 2957795. Online Calculators How to Buy Calculations: Downtilt Coverage Radius The downtilt coverage radius can be calculated by the formula listed below, which takes half of the antenna beamwidth in each direction of the downtilt angle from the height of the antenna. Basic Path Analysis Tool - Free download as Excel Spreadsheet (. Downtilt Calculator. (GSM Tilt shouldn't be like UMTS or LTE) Clutter Type (Rural Tilt shouldn't be like Dense urban) May be Transmit power as well ;)The planned antenna downtilt is 4 degrees; the inner cell radius can be calculated to 190 meters and the outer cell radius to 570 meters. Omni’s can be useful but the area of coverage vs. okThe estimate takes into account the situation--line of sight (LOS) or non-LOS (NLOS)--and general terrain and environment using more or less detail, depending on the particular model. 20 Over Horizon Over Horizon 4 0. 5∘ of electrical downtilt provides a uniform reduction of gain of approximately 3. Base Antenna Height (Hb) Feet. Kathrein Tool for Antenna. pdf. **Note: All of our calculators allow SI prefix input. 4. Most of the time, the cells work normally in real cellular networks, and the network fault is a rare event, therefore the gathered fault data are often imbalanced. downtilt. Noise Temperature to Noise Figure Converter. 5x106 / 250 x103 =6 bits/Hz Then 64 QAM is required. 2A EP12875979A EP2838289B1 EP 2838289 B1 EP2838289 B1 EP 2838289B1 EP 12875979 A EP12875979 A EP 12875979A EP 2838289 B1 EP2838289 B1 EP 2838289B1 AuthorityWeb-Based RF Calculators From Pasternack Pasternack is known for their wide assortment of RF adapters, attenuators, connectors and cables and has been growing their product line with passive and active components, including 60 GHz microwave systems. 0 hours plus 15 minutes. Download. Formula of Downtilt Calculator The formula utilized by the Downtilt Calculator is: Downtilt Angle (θ) = arctan ( (H2 – H1) / D) Where: This calculator determines the correct antenna downtilt angle given the heights of the antennas and distance between them. ) Packing size 2856 x 282 x 182 mm. 18 0. 4: Antenna Characteristics. Reset. Calculate. Finally, a comparison of antenna patterns in cartesian vs.