Product

一、Business

“Bright Aviation” supplies complete sets of equipment, including spare parts supply, installation and commissioning, flight check, panel repair, factory training, after-sales service, technical consultation, spare parts support, on-site fault repair, periodic inspection and other businesses.

二、Appearance

三、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.

四、Characteristic

（1）Carrier Signal

1. Frequency: 108～117.975MHz.

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

14. Standby Power：48Vdc backup battery, working for at least 4 hours.

（5）Structure

1. Weight: 240kg.

2. Dimensions: 170 (H) * 60 (W) * 60 (D) cm, 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：110～220Vac±15%, 45～63Hz, single phase.

3. Weight: 6kg.

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

（2） Environment

1. Temperature: Indoor -10°C～+50°C.

2. Relative humidity: 0～95%.

3. Altitude: 0～4500m MSL.

（3） Configuration list

（4）Appearance

Remote controller (navigation duty room) and repeated display unit (tower), as shown in the figure.

七、RMM Software

The features of RMM software:

1、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.

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

DVOR “Active Working Status” Display Interface (Chinese)	DVOR “Antenna Detection” Display Interface (Chinese)

八、Meeting 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, Vol. 1，Aeronautical Telecommunications : Volume I， Radio Navigation Aids. Eighth Edition, July 2023，Amendment 93.

6. ICAO Doc 8071, Vol. 1，Manual on Testing of Radio Navigation Aids : Volume I, Testing of Ground-based Radio Navigation Systems, Fifth Edition - 2018.

7. ICAO Annex 14, Vol. 1， Aerodromes : Volume I， Aerodrome Design and Operations，Eighth Edition，July 2018， Amendment 15.