Arduino antenna rotator. 2 TFT Screen (2) Worm-gear motors for Azimuth and Elevation.

Arduino antenna rotator Oct 24, 2024 · Antenna Rotator project category is a curation of 34 web resources on , Antenna Rotator Controller, KG4JJH, Digital Rotator Controller for Arduino, LCD Touch Screen Antenna Controller. Bearings: 2x 608Z (8x22x7 mm), This is an Arduino-based rotator interface that interfaces a computer to a rotator or rotator controller, emulating the Yaesu GS-232A/B, Easycom, and DCU-1 protocols which are supported by a myriad of logging, contest, and control programs. How do I make the arduino read a wifi strength signal? Thanks!!! Timduino Jan 1, 2022 · Therefore the antenna pointing system at the ground station is very important to obtain an optimum received signal level [8]. Oct 16, 2021 · The video shows the process of building an antenna rotor for a lightweight VHF / UHF antenna. No products found. Note : An additional cost of 100€ is to be expected for all shipping costs. It can be easily interfaced with commercial rotator control units. 2. hackster. com/orbitron-dde-azimuth-elevation-to-serial/Arduino codehttps://www. And, by using a little Arduino-compatible computer and some small motors, we can make the antenna point in any direction we want. arduino. The screw with the Phillips Rounded Head Screws For Sheet Metal, M3,5 X 6,5, DIN 7981,INOX A2, C1082-5 to the C1080-3 and put the C1083-1. Resources listed under Antenna Rotator category belongs to Technical Reference main collection, and get reviewed and rated by amateur radio operators. Manual command or USB via computer tracking software: Orbitron, SatPC32 Oct 8, 2018 · as the title says. For controll is created PCB with Arduino nano, step motor driver and four relays. Controller uses easycomm and rotator can work with HAM Lib, Gpredict, SatNOGS, May 6, 2019 · After looking around for a portable satellite antenna rotator , I came across the School Amateur Radio Club Network website with instructions on how to build one for a low cost using an Arduino. The Arduino-MEGA2560 based antenna rotator control unit replaces the original control unit and offers several enhancements compared with the original control unit. Prepare the cover box and install it to antenna rotator with rotator controller and cables. Aug 27, 2016 · Ideas has been taken from:Sławek SP3TYF: https://sites. I’m trying to get control of motor outputs of the Motorshield DIR A=pin 12 DIR B Orbitron DDE Azimuth Elevation To Serialhttp://tripsintech. Simple arduino antenna rotator with two axis (AZ and EL). Jun 7, 2016 · This is an attempt to build an Antenna rotator controller using Arduino Mega 2560 with a nice user interface showing the actual position of the antenna. com . Feb 10, 2009 · Nice. The Arduino controller, based on two Allegro A4988 drivers connected to two stepper motors, is intefaced to a Windows PC running Orbitron. This is because i will have 4 antennas on this project Simple controller for homemade (or commercial) antenna rotator. pl. Arduino Antenna Rotator Control will be via Ethernet, eventually, but for a start I'll probably try using the Orbitron DDE to Serial tool and spit its control messages over to the Arduino. 95 Now: $9. Eagle 75' FT Rotor Rotator Cable 5 Wire Conductor Cable Wire 5 Conductor 75' FT 5 Wire Rotator Rotor Cable Automatic Directional Outdoor Off-Air TV Antenna Connection MSRP: $12. There are many. Simple controller for homemade (or commercial) antenna rotator. So the rotor controller will need to be placed closer to the antenna than the PC. tl/ROTOR- Arduino codehttps://create. Mar 3, 2014 · Hello, I'm contemplating building an indoor antenna rotator control via the TV's IR remote. 12. The resource has been on our site since Friday Jan 31 2014, and it has been viewed 4219 times. Following features are added in the controller project 1) Collect the Antenna position using HMC5883 Digital Compas An Arduino-Based Antenna Rotator Controller A lightweight rotator is updated with a simple digital controller. there are hundreds of AMSAT websites. Via Battelli 11, 56127 PISA (Italy) iz5pqt@gmail. You can download all project filesfrom HERE. It was a great success, with over 1000 radio enthusiasts from around the world building one. The code that runs on the Arduino is a “stripped down” version of the source code developed by K3NG and others. I have all the mechanical parts of the rotators com… inspired by milan ok7gu the goal is to build an universal antenna controller for different types of rotor different motor encoder. The gadget was NOS (New Old Stock) and I thought that it would make Aug 21, 2011 · I have an Antenna Rotor, and I would like to control with an Ardiuno. com/view/sp3tyf/sterowniki-rotora/sterownik-na-arduinoJarek SQ9OUB: https://sq9oub. Stepper Motor w/ gearbox assembly Is a stepper motor the best option for this? Basically, I want to use one button on the IR remote to rotate left, and another button to rotate right. Manual command or USB via computer tracking software: Orbitron, SatPC32 By viorelracoviteanu. 2 TFT Screen (2) Worm-gear motors for Azimuth and Elevation. com/orbitron-dde-azimuth-elevation-to-serial/https://www. To insure accuracy i am going to use this Adafruit HMC5883L Breakout - Triple-Axis Magnetometer/Compass Sensor to report the azimuth and eventually elevation the antenna array is pointing. Updated 2020-01-01 Introduction This project is a homebrew azimuth and elevation ("az/el") rotation system using my Arduino rotator controller. Electronic parts: 1x Arduino NANO V3, 1x L298N, 1x Motor 12 V DC whit gear, 1x Linear Multi Rotation Potentiometer (1 to 10 kOhm), My antenna rotator controller consists of the following: Arduino Uno; L298N H-bridge motor driver board; 2 rotary encoders; Two row I2C LCD; 24 V power supply for the rotator motors; The controller can be used in manual mode to set Az and El, or in conjunction with EasyCom compatible tracking software. Manual command or USB via computer tracking software: Orbitron, SatPC32 Simple controller for homemade (or commercial) antenna rotator. While it doesn’t quite work with the dish […] This is an Arduino-based rotator interface that interfaces a computer to a rotator or rotator controller, emulating the Yaesu GS-232A/B and Easycom protocols which are supported by a myriad of logging, contest, and control programs. Manual command or USB via computer tracking software: Orbitron, SatPC32 Jun 22, 2013 · This side of the circuit is purely for the elevation motor which is a 36V DC Horizon to Horizon dish motor which will be mounted on it's side and on top of a regular antenna rotator to provide elevation to the system. For AZ is used step motor and for EL is used linear motor. antenna rotator, arduino, Featured, Nano, Satellite Tracker No comments After finding that purchasing a tracking device for his satellite dish would be quite expensive, YouTuber “ Tysonpower ” decided to simply build one himself. Universal Bill of Materials. Being interested in EME I was looking for a possibility to control in azimuth and elevation my 2x 11 element YAGI antenna's by rotor (YAESU G-600 type + G-500 on top, or a Yaesu G-5500, with AC motor and no brake) automatically, in particular from WSJT software. It’s also durable and comes from a reputable brand. cc/projecthub/viorelracoviteanu/antenna-rotator-controller-compatible-with-tracking-software-48f9cdProject home-pagehttps: Oct 17, 2024 · Hi everyone, I would like to build a simple rotator using an electric motor that will change the polarization of an antenna. a Manuel has uploaded a video showing a demonstration of his home made antenna rotator. I would like some help on the mechanics of the system. It includes in-built antenna switches, RF balun, power amplifier, low-noise receive amplifier, filters, and power management modules as well. Mini Satellite-Antenna Rotator Mk2a Important: Some readers have reported that Globalindustrial no longer stock the Tritan roller-chain and sprockets. Giovanni Carboni, IZ5PQT Recently, I purchased a lightweight antenna rotator of the type used for TV antennas. io/viorelracoviteanu/antenna-rot 1 * Arduino controller ~ 20€ 2 * Stepper Drivers ~ 100€ 1 * 300W Power supply ~ 30€ 2 * 35 mm Mast (1,5m minimum) ~ 40€ Sub Total = 190€ Grand Total : ~ 600 € - for a fully operational rotator ~ 500 € - for a rotator without control electronics and mast. Dec 5, 2017 · After finding that purchasing a tracking device for his satellite dish would be quite expensive, YouTuber “Tysonpower” decided to simply build one himself. Build your own antenna rotator/satellite tracking device After finding that purchasing a tracking device for his satellite dish would be quite expensive, YouTuber “Tysonpower” decided to simply build one himself. Thanks for any help if interested please PM me Jul 24, 2020 · An Arduino controller for home-made or commercial antenna rotators. I don't need extreme precision, but I do need to know the end points and the zero point Jan 6, 2022 · Hi All, I've been building 12v antenna rotators for radio amateurs for a while now using a basic 12v motor controller just to move the DV motor forward and backwards. Nov 11, 2013 · This definitely seems like EMI (Electro-Magnetic Interference). Recently at a local ham fair I purchased lightweight antenna rotator, the type used for a TV antennas. I can supply a list of all the hardware that will be used in my rotator project (already all purchased) I just dont know what or how to program it all in to the code. Even the cross yagi antenna is an home made project based on an original desing by I6IBE. However, I'd like to take this project to the next level where I have the DC motor on the rotator in sync with an indication as to where is it 1 /* AZ/EL Antenna Rotator controller for Arduino - relay output 2 * ===== 3 * Uses EasyComm protocol for computer - Tracking Software 4 * Manual command by means of two rotary encoders AZ - EL 5 * 6 * compatible with switch-box rotators 7 * or AC motors 8 * dry contatcts for Left-Right, Up-Down 9 * 10 * Viorel Racoviteannu / 11 * https://www Sep 1, 2012 · The code that runs on the Arduino; The PC based program that tracks the Moon and provides GS-232A/B commands to the Arduino. Listed under the Technical Reference/Antenna Rotator category that is about Antenna Rotator Projects. We first introduced our free, Arduino-based, "Mini Satellite-Antenna Rotator" in 2015. Listed under the Technical Reference/Antenna Controller for Yaesu G-5500 Antenna Rotator The controller uses a Arduino Nano board with a LCD display and several inputs and outputs connected to the manual control unit of the rotator. Or, write a DDE application that creates UDP messages and hand those over to the Arduino. This is the prototype Arduino AZ/EL Rotator using the common Channel Master TV antenna rotators. The control unit not only shows the real antenna bearing on a TFT color display but can also be connected to a computer via a USB serial link for remote antenna position control and Jan 6, 2021 · Hello,In this video I give you a brief overview of my antenna switching, rotator control and antenna tuning system, using one controller, which communicates The Arduino series of boards is an excellent choice for a satellite rotor controller. And also worth reading this on the ArduinoInfo. This is an Arduino-based rotator interface that interfaces a computer to a rotator or rotator controller, emulating the Yaesu GS-232A/B and Easycom protocols which are supported by a myriad of logging, contest, and control programs. Apr 18, 2014 · When using the updated firmware with Ham Radio Deluxe 5. search term: AMSAT antenna rotator. Mar 8, 2024 · US amateur Antony Good K3NG has designed the Arduino-based rotator interface that interfaces a computer to a rotator or rotator controller, emulating the Yaesu GS-232A/B and Easycom protocols which are supported by many logging, contest, and control programs. Dec 16, 2020 · [SP3TYF] has a HyGain AR-303 rotator and decided to build an Arduino-based controller for it. PCB Bottom – K3NG Rotator Controller Main V3 . It is a “New Old Stock” Hirschmann Hit Ro 250 (see Figure 1). 1 hardware; Arduino Uno R3; CNC Shield V3 with A4988 drivers; NEMA 17 Stepper Motors; In GPredict open up the Antenna module and click Engage; Mar 7, 2020 · This interface for the antenna rotator, plus the motors and the antenna to come, is part of this philosophy. 2: 5091: May Jul 26, 2024 · tysonpower details a diy az el antenna rotator project designed for under 150 inspired by the satnogs tracker constructed with 2020 aluminum extrusion and nema23 stepper motors the rotator is controlled via an arduino nano it effectively tracks smaller antennas like yagi though struggles with heavier dishes stl files are available on thingiverse . This is an Arduino based rotator interface that emulates the Yaesu GS-232A or GS-232B interface, and the Easycom protocol. Better still, it’s portable for those /p operating sessions off the beaten track. AMSAT is a generic term for AMateur radio SATtelite. The finished product has an LCD and Technical Reference/Arduino; Technical Reference/Antenna Rotator; The title of the main category is Antenna Rotator and it deals mainly with Antenna Rotator project. Get the latest Arduino Software for our Mk1 and Mk2 Mini Satellite-Antenna Rotators. The Yaesu is a medium-duty antenna rotator that can give expensive brands a run for their money. Electronic parts: 1x Arduino NANO V3, 1x L298N, 1x Motor 12 V DC whit gear, 1x Linear Multi Rotation Potentiometer (1 to 10 kOhm), 1x LM35 optional, USB Cable to Arduino Nano or RS232 to TTL Converter. It allows the rotator to be interfaced to Ham Radio Deluxe or other programs that support the Yaesu rotator command set. 0's Rotator software, the rotor turns towards targets smoothly, and stops within +/- 1. What I want to do is to keep track of the Sep 17, 2022 · In other words, a motorized antenna rotator, and AntRunner from [Wuxx] is just the ticket. It essentially replaces the Yaesu GS-232 and implements a subset of its commands. The finished product has an LCD and is able to drive a 24 V motor. PstRotator (AZ + EL control) PstRotator supports separate antenna rotator controllers for Azimuth and Elevation control. Giovanni Carboni, IZ5PQT . Dec 9, 2020 · (K3NG Antenna Rotator Controller) Hardware: Arduino Mega 2560, Deek-Robot Motorshield R3, Nextion Enhanced 3. So for up to date information and my personal experience after a long time use of th Project presentation. I’m working on new version and need to beta-test and help making this project available to everyone as a ready-made product, May 8, 2011 · Rotor control, rotor power and broadcast signal are carried over the one (coax) connection to the antenna. Yaesu) AZ/EL rotator? One of the (many) projects in the back of my mind is an antenna pointing system that tracks a target based on its APRS position report (and hopefully, using ded reckoning, a continuous track, not just updating when it gets a packet). Unlike commercial rotator controllers a prop pitch motor does not have mechanical stops to prevent the rotator from turning more than 360 degrees in either CW or CCW direction. Aug 9, 2020 · The user turns the knob on the controller and the controller counts the pulses on the switch wire until the antenna has caught up with the knob position. The PC based satellite tracking software sends elevation and azimuth targets to the Arduino, and 1 /* AZ/EL Antenna Rotator controller for Arduino - relay output 2 * ===== 3 * Uses EasyComm protocol for computer - Tracking Software 4 * Manual command by means of two rotary encoders AZ - EL 5 * 6 * compatible with switch-box rotators 7 * or AC motors 8 * dry contatcts for Left-Right, Up-Down 9 * 10 * Viorel Racoviteannu / 11 * https://www Jan 7, 2022 · Hi All, I've been building 12v antenna rotators for radio amateurs for a while now using a basic 12v motor controller just to move the DV motor forward and backwards. An antenna rotator can be used to automatically point a high gain directional antenna such as a Yagi at a low earth orbit satellite which Aug 9, 2021 · The wiki shows an antenna rotator designed with 3d printed gears. I have all the mechanical parts of the rotators complete and they work really well. Any help would be very much appreciated. Manual command or USB via computer tracking software: Orbitron, SatPC32 Find and save ideas about arduino mega 2560 projects on Pinterest. The user can see the antenna, so there's not much need for Apr 18, 2014 · When using the updated firmware with Ham Radio Deluxe 5. If the Arduino is also next to rotor controler, and uses an IR shield to control it, then the only question/issue is distances that the other two interfaces 1 /* AZ/EL Antenna Rotator controller for Arduino - relay output 2 * ===== 3 * Uses EasyComm protocol for computer - Tracking Software 4 * Manual command by means of two rotary encoders AZ - EL 5 * 6 * compatible with switch-box rotators 7 * or AC motors 8 * dry contatcts for Left-Right, Up-Down 9 * 10 * Viorel Racoviteannu / 11 * https://www Dec 9, 2020 · This video can't be changed anymore, but the code is constantly revised. PCB Top – K3NG Rotator Controller Main V3 . See this on the ArduinoInfo. That is exactly what I wanted for my rotor, and the K3NG team did a great job getting us a solution for Arduino that is both feature-rich and inexpensive. SatNOGS Rotator V3. Sep 17, 2016 · Arduino based Antenna Rotator Controller - Latest Code Well, I updated the source code of the antenna rotator controller with magnetic declination entry and UI modifications. Jan 2, 2015 · /* AZ/EL Antenna Rotator controller for Arduino - DC motors * ===== * Uses EasyComm protocol for computer - Tracking Software * Manual command by means of two rotary Arduino based antenna rotator controller - not completed, development terminated! Inspired by Milan OK7GU, the goal is to build an universal antenna controller - for different types of rotor, different motor, encoder,. I am fine on the hardware side, but I have no idea where to begin on the programming side. google. I thought that I could this is an attempt to build an antenna rotator controller using arduino mega 2560 with a nice user interface showing the actual position of the antenna . Unfortunately, sourcing the correct components, compiling and uploading the software and calibrating the sensor was too much for many who attempted building it. 2017 Arduino AZ/EL rotor controller project. Depending on the rotation of a rotary encoder, the motor would rotate the antenna by the corresponding angle and adjust its polarization within a range of 90° from the zero position. Yaesu G-450A– Best Versatile Antenna Rotator. It can control two separate rotor interfaces: one for azimuth and the second for elevation, or it can control a single azimuth + elevation rotor interface. Listed under the Technical Reference/Arduino category that is about Ham Radio - Arduino Projects. VK4GHZ Nextion firmware for K3NG Rotator Controller available from: Apr 15, 2021 · AZ/EL Rotator toy controller for Arduino with servos Uses EasyComm2 protocol for computer - Tracking Software Two servomotors to move the antenna in Az (360 deg) and El (90 deg) Nov 11, 2023 · I am using a prop pitch motor to rotate an antenna. Members Online Arduino IDE ESP32 Partition Tool I developed This is an Arduino-based rotator interface that interfaces a computer to a rotator or rotator controller, emulating the Yaesu GS-232A/B, Easycom, and DCU-1 protocols which are supported by a myriad of logging, contest, and control programs. Coming . Is this driving standard hobby servos with PWM, or is it driving some sort of standard (e. Manual command or USB via computer tracking software: Orbitron, SatPC32 Jun 29, 2016 · Hello, I am working on an antenna rotor, that will move my antenna array around at any azimuth (0-360 degrees). Click the inverted triangle on the upper right and select Antenna Control to enter the antenna control page. This controller uses the Yaesu GS-232 command set to control a Yaesu G-5500 Az-El rotor. . io/viorelracoviteanu 1 /* AZ/EL Antenna Rotator controller for Arduino - relay output 2 * ===== 3 * Uses EasyComm protocol for computer - Tracking Software 4 * Manual command by means of two rotary encoders AZ - EL 5 * 6 * compatible with switch-box rotators 7 * or AC motors 8 * dry contatcts for Left-Right, Up-Down 9 * 10 * Viorel Racoviteannu / 11 * https://www An arduino interface to control the G-5400 antenna rotator from a computer with the Easycomm II protocol - hspil/antenna_rotator_controller Nov 20, 2017 · Over on his YouTube channel Tysonpower a. An Arduino-based Antenna Rotator Controller . Could anyone programe the antenna rotator code for me so I know how it all works I am willing to pay for the coding because I dont have a clue what I am doing. (2) Sensors for AZ & EL (1) GPS Module Software code: K3NG Rotator Controller from GitHub. 2023: As there was a lot of positive reactions of people looking forward for the new, upcoming version of the project, I’m looking for people with hardware / software / programming and mostly – 3D design skills for printing on 3D printer. Jul 4, 2015 · Download K3NG Arduino Rotator Controller for free. The gadget was NOS (New Old Stock) and I thought that it would make Oct 16, 2021 · Simple antenna UHF rotator. Dec 17, 2020 · VK4GHZ-Universal-K3NG-Rotator-Controller-Schem-Main-V12 . Controller uses easycomm and rotator can work with HAM Lib, Gpredict, SatNOGS, An Arduino-Based Antenna Rotator Controller A lightweight rotator is updated with a simple digital controller. k. The prop pitch motor has a magnetic reed switch that closes (goes TTL low) 9576 times in a full 360 degree rotation. The controller was designed to be compatible with the SatPC32 tracking program and should work with any tracking program that supports the Yaesu GS-232 format. USB Cable to Arduino Nano or RS232 to TTL Converter. 2x GE 30 ES 2RS (30x47x22 mm). Rotation of both the control knob and the rotator is limited to 360° so turning the knob to the limits in both directions will re-synchronize the antenna with the counter mechanism. I am using MoonSked by David Anderson, GM4JJJ. Put the C1080-3 with screws M4 L10 DIN912, C1084-1 and washers M4 DIN125 to the azimuth module. What he came up is an assembly made with 3D-printed parts and extruded aluminum that uses a pair of NEMA23 stepper motors for movement. Displays on LCD the target and antenna azimuth and elevation, reads target position and outputs antenna position on USB, manual command of the antenna by two rotary encoders. g. Simple controller for homemade (or commercial) antenna rotator. having all modern features, like USB connection, ethernet control, web access, etc. This low-cost Az/El antenna rotator can effectively position the antennas towards the satellites by tracking using data from the computer coupled to an Arduino which controls the DC motors which drive the antenna. The AR-22 rotator controller is an Arduino Uno based controller for the old CDE AR-22 antenna rotator which replaces the clunk-clunk controller that the original used. RO: Am început proiectul acesta mai mult din curiozitate și din ambiția de a învăța și eu Arduino, că așa e de lăudat și de ieftin, că aproape te simți vinovat că nu ai și tu unu 😀 . ICOM 2800H -Artificial display / SDR- arduino mod **HAM RADIO** Device Hacking. Info WIKI HERE:to make sure you know how to really use the opto-isolation on those relay boards: Aug 26, 2020 · a wise constructor would balance the antenna on the rotor, so the motor drives through friction but does not lift weight. The main features include the ability to turn the antenna in 1, 5 or 10 degree increments and the ability to control it with many of the rotator control programs available such After configuring the rotator device, you can perform a preliminary test on the rotator. As a motor, I want to use a wiper motor. Manual command or USB via computer tracking software: Orbitron, SatPC32 an rotator interface that interfaces a pc to a rotor or rotator controller emulating a yaesu gs 232a b and easycom protocols made with arduino. and still compatible with older devices (COM port available). Precision of tracking 1 degree. Watch the video on how the rotor was made and subscribe to my YTchannel. Manuel has also created a blog post about his antenna rotator, which includes a full parts list and a link to all the files. The programming ability of this antenna rotator is impressive. Their site has excellent instructions. Manual command or USB via computer tracking software: Orbitron, SatPC32 . 0 degrees of each target. a) Azimuth Rotator n Housing for Servo n Mounts to tripod or mast n Rotates Elevation Rotor thru 180 degrees b) Elevation Rotator n Housing for Servo n Mounts on top of Azimuth Rotor n Provides mounting for antenna etc. Remote Board (updated 11/9/2020) VK4GHZ-K3NG-Rotator-Controller-Schem-Remote . Jan 1, 2020 · An inexpensive homebrew azimuth and elevation rotation system using an Arduino/AVR and the K3NG Arduino Rotator Controller code. Manual command or USB via computer tracking software: Orbitron, SatPC32 The video shows the process of building an antenna rotor for a lightweight VHF / UHF antenna. Jun 8, 2021 · Update 20. Info WIKI HERE:. And I have a few doubts and questions that may seem ridiculous to you so please go easy on me 😃 So I'm building an antenna rotator based on SatNOGS v2 which is the one that looks easiest to build for me, they are using an Arduino Pro Mini connected to their own controller board, I intend using stronger steppers controlled with Jan 19, 2015 · This video, by Francesco IK5XWA, demonstrate the final realization of an arduino-based AZ-EL antenna rotator. 95 Jun 12, 2011 · Greetings, I would like to devellop an arduino program that rotates a wave-guide antenna 360 degree's using a pan servo, and then points to the strongest signal, and then tracks it. Arduino-based Amateur Radio Antenna Rotator Controller. select the newly created grbltrk, click Engage to initialize the rotator, and then configure the azimuth and pitch angles. May 6, 2019 · Arduino Satellite Antenna Rotator Project Posted on May 6, 2019 by Rob Smith After looking around for a portable satellite antenna rotator , I came across the School Amateur Radio Club Network website with instructions on how to build one for a low cost using an Arduino. Just connect this rotator to a Windows laptop or a Raspberry-Pi Linux computer running a satellite tracking program and you have a workable, hands-free system. 1) Set Point Entry (Press * then enter the set point value and press # to confirm) Oct 11, 2023 · Hi, before anything please consider that I'm a complete noob. I thought that I could Orbitron DDE Azimuth Elevation To Serialhttp://tripsintech. n Rotates antenna thru 180 degrees Sep 26, 2021 · Why you should buy this antenna rotator. Idea of building a rotator controller is from my brother VU2JLH. yyy kyzf hbma rpjvsz icuf uruk ghh dohtra gsljc bht