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Aerobits TR-1A User Manual

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Subsystems for the
UAS integration into
the airspace
Transceiver TR-1A
Data sheet - User manual

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Summary of Contents for Aerobits TR-1A

  • Page 1 Subsystems for the UAS integration into the airspace Transceiver TR-1A Data sheet - User manual...

  • Page 2: Table Of Contents

    Contents 1 Introduction ............1.1 Features .
  • Page 3 ............Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 4: Introduction

    Introduction The TR-1A belongs to second generation of the smallest ADS-B transceivers on market and has been developed for civil and commercial Unmanned Aircraft Systems. The device operates on 1090 MHz and allows to receive and transmit ADS-B data with defined 0.25, 0.5 or 1 Watt output power for ADS-B.

  • Page 5: Technical Parameters

    Power connector Bulgin type PXMBNI05RPM04APC Power supply 5.0 V Power consumption < 130 mA 2.2.2 PIN definition Fig. 1: Outlet pin arrangement of TR-1A Table 3: Descriptions of TR-1A connector pins Color Pin Name Pin Type Description Power supply input...

  • Page 6: Led Indicators

    ADS-B OUT indicator: 0. OFF – Disabled 1. Blink – Wait for FIX 2. ON – Active Mechanical specification 2.3.1 Mechanical parameters Table 5: Mechanical parameters of the TR-1A Parameter Value Dimensions 35.0 x 25.0 x 8.5 mm Weight 14 g 2.3.2 Dimensions...

  • Page 7: Connectors

    Table 6: Descriptions of used connectors Description Type Function Mating connector Bulgin PXMBNI05RPM04APC Power and Data PXPPVC05FBF04ACL010PVC Antennas connectors CONMMCX001-SMD RF IN/OUT ASMK025X174S11 Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 8: Uart Configuration

    Table 7: Descriptions of UART settings. Parameter Min. Typ. Unit Baud 57600 921600 3000000 Stop Bits Number Flow Control None Parity Bit None Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 9: Principle Of Operation

    To acquire this program, please contact: sup- port@aerobits.pl. 4.1.2 RUN state In this state module is broadcasting drone identification data. In this state module is working and receiving the data from aircrafts.

  • Page 10: Run To Configuration Transition

    • Send AT+REBOOT and when module enters BOOTLOADER state, prevent transition to RUN state. When entering the bootloader state, the module sends AT+BOOTLOADER_START . Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 11: System Configuration

    Response: Setting: SYSTEM_STATISTICS Description: System statistics protocol(0:none, 1:CSV, 2:JSON) Access: Read Write Type: Integer decimal Range (min.): Range (max.): Preserved: Requires restart: Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 12: Errors

    1 - enable SYSTEM_STATISTICS None System statistics protocol: None 5.1.8 Example As an example, to switch the Aerobits device to CSV protocol, one should send following commands: “<<” indicates command sent to module, “>>” is a response. << AT+CONFIG=1\r\n >> AT+OK\r\n <<...

  • Page 13: Commands

    AT+SETTINGS? - List all settings. Example output: AT+BAUDRATE=0 AT+BOOT=0 AT+CONFIG=1 AT+DEVICE=TR-1F AT+FIRMWARE_VERSION=2.72.1.0 (Jun 2024) AT+LOCK=0 AT+SERIAL_NUMBER=22-0000309 AT+SYSTEM_LOG=0 AT+SYSTEM_STATISTICS=0 (continues on next page) Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...
  • Page 14 AT+INFO [Display device information] AT+REBOOT [Reboot system] AT+REBOOT_BOOTLOADER [Reboot to bootloader] AT+SETTINGS_DEFAULT [Loads default settings] AT+TEST [Responds "AT+OK"] AT+WIFI_MAC [WiFI device mac address] Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 15: Commands In Run State

    AT+CONFIG=1 - transition to CONFIGURATION state (baudrate 115200). AT+CONFIG=2 - transition to CONFIGURATION state (baudrate as set). Note: NOTE: This command also sets lock. Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 16: Protocols

    In future versions, additional comma-separated fields may be introduced to any CSV protocol message, just before CRC field, which is guaranteed to be at the end of message. All prior fields are guaranteed to remain in same order. Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 17: Crc

    • Remote Monitoring: Monitoring the health and status of the UAV during flight. Overall, MAVLink is a versatile and robust protocol that has become the standard for UAV communication, particularly in the open-source community. Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 18: Json Protocols

    If a breaking change occurs in Ground Station with Linux JSON specification, the version number is guaranteed to be incremented. Note: The version number of JSON protocol described in this document is 1. Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 19: Status Section

    CPL - CPU load in % UPT - Time since statistic was enabled CRC - Value is calculated using standard CRC16 algorithm Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 20: Ads-B Receiver Subsystem

    Identificator broadcasted by this device ADSB_TX_ON_BOOT Enable ADS-B out on device boot 0 - disable 1 - enable continues on next page Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 21: Ads-B Reports

    Setting Comment ASTERIX_SAC Setting SAC for ASTERIX protocol (Visible when ADSB_DECODED_PRO- TOCOL=5) ASTERIX_SIC Setting SIC for ASTERIX protocol (Visible when ADSB_DECODED_PRO- TOCOL=5) Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 22: Protocols

    The meaning of NIC/NAC indicators is exactly the same as described in ED-102A. Table 15: Structure of NIC/NAC bitfield in CSV protocol. ���������������� �� ���� �� ���� �� ���� �� ���� �� �� �������� Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...
  • Page 23 Surface messages needs reference position which is used to determine final position of the aircraft. Aerobits devices if it is possible use their own position as reference. For devices without GNSS functionality reference position is set using last received airborne aircraft.
  • Page 24 For further reference of parsing GDL90 frames see relevant documentation: GDL90 Data Interface Specification The ADS-B vehicle may transmit barometric, as well as geometric altitude.The ADSB_RX_PROTOCOL setting allows for Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...
  • Page 25 "tas": 100, "roll": 2.1, "nav_qnh": 1013.59, "nav_altitude_mcp": 35008, "nav_altitude_fms": 35008, "nav_modes": { "althold": false, "approach": false, "autopilot": false, (continues on next page) Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...
  • Page 26 ° 125.5 True Heading. knots Indicated airspeed. knots True airspeed. roll degree ° Aircraft roll angle. continues on next page Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...
  • Page 27 Space, Trans-atmospheric Vehicle. Reserved. Surface Vehicle - Emergency Vehicle. Surface Vehicle - Service Vehicle. Point Obstacle (includes Tethered Balloons). continues on next page Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 28: Ads-B Raw Protocols

    To use multilateration, TS value must be calibrated using calibration value from statistics message. Note: TS field is available when precise PPS signal from GNSS source is applied to module to 1PPS pin. Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...
  • Page 29 ADS-B HEXd protocol Important: This is RAW HEX protocol standardized for dump1090, without additional fields after ;. ADS-B Beast protocol Original specification: documentation Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 30: Frame Structure

    – 1 byte RSSI – 7 byte Mode-S short data • 0x33: Mode-S long frame – 1 byte RSSI – 14 byte Mode-S long data Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...
  • Page 31 "src": "ID-0000001", "ts": 69061337, "ver": 1, "raw": [ "18A9725A4C842D", -78, "295CAB573A77" (continues on next page) Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 32: Ads-B Statstics Protocols

    FPSAC - All received mode A/C frames per second CALIB - Real uC frequency based on GNSS module (PPS) CRC - Value is calculated using standard CRC16 algorithm Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 33: Gnss Receiver Subsystem

    "hVelo": 10.5, "vVelo": 25, "gndSpeed": [ 5.2, "acc": { "lat": 5.2, "lon": 2.1, "alt": "nacp": 12, "nacv": 2, (continues on next page) Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...
  • Page 34 Navigational Accuracy Category for Velocity value, as defined in ED-282. Omitted if unknown. Navigation Integrity Category as defined in ED-282. Omitted if unknown. Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 35: Sensors Receiver Subsystem

    9.2.2 Sensor JSON protocol The sensor section contains values acquired from miscellaneous sensors present in Aerobits device hardware and consists of fields shown below. This message is sent once per second. All fields are optional - they are sent only if appropriate sensor is enabled.
  • Page 36 Current temprerature sensor value in °C. HumiditySen- type of sensor Temperature °C 36.9 Current temperature sensor value in °C. Humidity Current humidity sensor value in %. Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 37: Quick Start

    Quick start Transceiver TR-1A is a stand-alone device and in the simplest case of its operation requires only a power supply. However during the first start-up, you must configure the device. That can be performed in the few steps described below. First install the antennas using the MMCX to SMA adapters included in the kit.

  • Page 38: Antennas Mount

    Example of proper mounting vertical antenna DELTA1A/X/SMAM/S/S/11 below: Fig. 4: Proper antennas mount Scope of delivery 10.4 1. Device TR1A 2. ADS-B Antenna Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...
  • Page 39 Data sheet - User manual 3. MMCX > SMA Cable 4. GNSS Antenna 5. Bulgin Cable Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 40: Configuration Using Micro Ads-B Software

    2. Download the latest Micro ADS-B software from www.aerobits.pl. Install Micro ADS-B on your Windows computer. If the device is connected to a PC, it should be found automatically after clicking the ”Connect” button. The connection window should look similar to the one in the picture.
  • Page 41 Data sheet - User manual Fig. 6: Port select window Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 42: Configuration With Pixhawk

    Data sheet - User manual Configuration with Pixhawk 10.6 Important: MAKE SURE YOU ARE USING MAVLINK PROTOCOL !!! Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 43: Pixhawk Update

    2. Connect the USB cable between Pixhawk4 and your PC and run Mission Planner 3. Connect to Pixhawk4 by clicking ”Connect”, then go to the ”CONFIG” tab Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...
  • Page 44 4. In the menu, go to ”Full Parameter Tree” and set the following parameters: Tree Parameter Value ADSB ADSB_TYPE SERIAL2 SERIAL2_BAUD SERIAL2_PROTOCOL SR0_ADSB range 1 to 50 Hz Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...
  • Page 45 5. Restart your Pixhawk and go to the main view. If there is air traffic in your area, you should see it on the map. For more information visit: ardupilot ADS-B documentation. Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 46: Qgroundcontrol

    2. In the menu, go to ”Full Parameter Tree” and set the following parameters: Tree Parameter Value ADSB ADSB_TYPE SERIAL2 SERIAL2_BAUD SERIAL2_PROTOCOL SR0_ADSB range 1 to 50 Hz Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...
  • Page 47 ADSB_VEHICLE and HEARTBEAT should be greater than 0 and count of received frames shoud be increasing. For more information visit: QGroundControl documentation. Date: 2025-04-24 Document ref: 25p-v2.81.2 This document is subject to change without notice. For technical questions, contact: support@aerobits.pl...

  • Page 48: Disclaimer

    If any part of this document refers to any third party products or services, it shall not be deemed a license granted by Aerobits for use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering use, in any manner whatsoever, of such third party products or services or any intellectual property contained therein.

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