Product

一、Business

“Bright Aviation”provides equipment supply, installation and commissioning, technical guidance, flight check ground commissioning, panel repair, factory training, after-sales service, technical consultation, spare parts support, equipment fault maintenance, optimization adjustment and periodic inspection, etc.and other turnkey projects.

二、Overview

1. DVOR provides the inbound and outbound flights of the civil aviation airport with an orientation guidance information relative to the DVOR station to ensure the precise positioning of the aircraft relative to the magnetic north of the earth when flying in the air.

2. Provide equipment performance selection with the most advanced technology and the most reasonable system architecture, provide users with friendly Windows based graphical software interface, integrate the latest technical features, and reduce the number of system boards.

3. 35U standard cabinet design reduces the cost of installation, maintenance and logistics of equipment, and software design and certification meet the strict RTCA DO-178 B/278 standard.

三、Appearance

DVOR Main Cabinet

 DVOR Antenna System

DVOR Antenna  Switching Unit（ASU）

 Remote Control Unit

四、Characteristic

（1）Carrier Signal

1. Frequency: 108 ～ 117.975 MHz.

2. Output power: 25 ～ 100W (1W step adjustable).

3. Frequency stability: ≤± 0.0002% (2ppm).

4. Frequency control: frequency synthesizer.

5. Coverage: 320 kilometers, 11000 meters high at sight distance.

（2）30Hz AM Reference Signal

1. Modulated audio frequency: 30Hz ± 0.1%, 1020Hz ± 0.1%.

2. Modulation depth: 30% ± 2% (30Hz AM), 10% ± 2% (ID 1020Hz AM).

（3）30Hz FM Variable Signal

1. Sub carrier frequency: 9960Hz ± 1Hz.

2. Modulation depth: 30% ± 2%.

3. Modulation frequency: 30Hz ± 0.1%.

4. FM index: 16 ± 1.

（4）Performance

1. Station azimuth adjustable: within the range of 0 ～ 360°, 0.01°step adjustable.

2. Station azimuth error: ± 1°.

3. Monitor: dual monitor redundancy and/or configuration, built-in BIT test.

4. The computer IP port accesses the equipment RMM software, which is based on networked local, remote control, and real-time synchronous linkage of RMM maintenance software.

5. Antenna quantity: 1 carrier antenna, 48 sideband antennas, Alford Loop antenna.

6. Single transmitter and dual transmitter configurations (optional), dual cold/hot backup settings (optional).

7. Graphical design of monitoring software, easy to operate, simple and convenient.

8. Real time sound, light and electricity integrity indication of system alarm information.

9. Multi level user permissions enable different management permissions and operation maintenance of equipment.

10. Log record query, analysis, printing and other functions throughout the life cycle.

11. Equipment important parameters and equipment operation status support graphical display.

12. Functions such as automatic saving, playback and analysis of equipment operation history data.

13. Comply with CAAC, 《Aviation Radio Navigation Equipment, Part 2: Technical Requirements for Very High Frequency Omnidirectional Beacon(VOR)》,MH/T 4006.2-1998.

14. Comply with ICAO, Annex 10, 《Aviation Telecommunications, Volume 1, Requirements for Radio Navigation equipment》.

15. Primary Power: 110 ～ 220V AC ± 15%, 45 ～ 63 Hz, single phase.

16. Standby Power：48V DC backup battery, working for at least 4 hours.

（5）Structure

1. Weight: 240 kg.

2. Dimensions: 170 (H) * 60 (W) * 60 (D) cm, standard 35U cabinet.

（6）Environment

1. Temperature: indoor -10°C ～ +50°C, outdoor -50°C ～ +70°C.

2. Relative humidity: indoor 0 ～ 95% (non condensing)；outdoor 0 ～ 100% .

3. Altitude: 0 ～ 4500m MSL.

4. Work cycle: continuous unattended.

5. Wind speed conditions: the outdoor antenna can work normally when the wind speed is up to 161 km/h and the  antenna is iced 2 cm thick.

6. Ice and snow: 2cm ice coating, negligible azimuth error.

7. Hail: at least 1cm in size, no external damage to the outdoor antenna system.

五、Equipment List

六、Remote Controller And Repeating Display Unit

（1）Characteristics

1. The remote controller communicates with the equipment and the repeating display unit through the Ethernet IP interface.

2. Primary Power：110 ～ 220V AC ± 15%, 45 ～ 63 Hz, single phase.

3. Weight: 6 kg.

4. Dimensions: 13.4 (H) * 60 (W) * 20 (D) cm, standard 3U chassis.

（2） Environment

1. Temperature: indoor -10°C ～ +50°C.

2. Relative humidity: 0 ～ 95%.

3. Altitude: 0 ～ 4500m MSL.

（3） Configuration list

1. Remote control, 1 set, 3U case.

2. Repeat display unit, 1 set, 3U case.

3. Transmission equipment，1 set.

（4）Appearance

七、RMM Software

The features of RMM software are as follows: visual design; Synchronization of local and remote status display information; Launch and monitoring parameters are checked regularly; Real time log recording and query; User level management.

RMM software provides Chinese and English operation interfaces to facilitate user operation and maintenance of equipment, as shown in the figure below.

DVOR “Mainframe working status” display interface (Chinese)

DVOR “Antenna detection” display interface (Chinese)

八、Standards

1. CAAC,《Aeronautical radio navigation aids，Part 2: Technical Requirements for Very High Frequency Omnidirectional Beacon (VOR)》, MH/T-4006.2-1998。

2. CAAC,《Requirements for Electromagnetic Environment of Aviation Radio Navigation Stations (Stations)》, GB 6364-2013。

3. CAAC,《Civil Aviation Communication and Navigation Surveillance Station (Station) Site Specification Part 1: Navigation》, MH/T 4003.1—2021。

4. CAAC,《Test Requirements for Aviation Radio Navigation equipment Part II: Doppler VHF Omnidirectional Beacon》, AC-115-TM-2013-02。

5. ICAO, Annex 10, Aviation Telecommunications, Volume 1, 《Requirements for Radio Navigation equipment》.

6. ICAO, Document 8071, Volume 3, 《Test Manual for Radio Navigation equipment》， (1972).