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Data Links

Network Voting System

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Network Voting System

ECS has developed and deployed solutions extending the capability of a single receive site to an unlimited operational area

  • The Network Voting System consists of multiple ground receiver sites, which may be controlled and monitored over a wide area network by ECS NVS Control Software
  • The NVS incorporates multiple ground receiver sites to provide downlink reception beyond the capabilities of a single fixed site
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Product Description

Simultaneous downlinks from multiple platforms may be distributed to monitoring sites across the network. The downlink signal is converted to IP data before being delivered securely and bandwidth efficiently, across the customer’s own wide area network, to a monitoring point or multiple points of the customer’s choosing. A voting technique is used to select the best real time downlink signal available, from the multiple deployed receiving sites. The system uses signal quality and packet error data to select the most consistently reliable downlink feed for each channel. It incorporates a hysteresis effect to minimize unnecessary switching while remaining responsive to sudden data losses. Control of the system is via a NVS Control Software, which may be located anywhere on the network.

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Additional Resources

model-709-753-SMS_scorpio-3_600x600

Scorpio Spectrum Monitoring Software

Scorpio provides complete control and monitoring of our 700 series spectrum monitoring systems; and a full suite of ITU-compliant measurement, analysis and reporting tools.

model-640-DSC_600x600

Model 640 DSC VHF/UHF Antenna

20 MHz to 3 GHz VHF/UHF vertically-polarized, omnidirectional monitoring antenna

model-640-8_600x600

Model 640-8 SHF Monitoring Antenna

3 GHz to 8.5 GHz vertically-polarized SHF monitoring antenna
model-642_600x600

Model 642 VHF/UHF/SHF Antenna

20 MHz to 8.5 GHz VHF/UHF vertically-polarized, omnidirectional monitoring antenna

model-7031_600x600

Model 7031 HF Antenna

9 kHz to 30 MHz HF dual-polarized, active monitoring antenna

Additional Resources

Evenlode Video

Evenlode End User Benefits Video

Evenlode Brochure PDF

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Evenlode Air Data Terminal

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Evenlode Air Data Terminal

Evenlode Air Data Terminal Equipment

  • Evenlode is a modular, lightweight transceiver based on six distinct modules: transceiver, upconverter, 10 W Radio Frequency (RF) amplifier, heat exchange, power supply module and video/ audio encoder. These six modules together with antennas, output transmission isolation filter and receive Low Noise Block downconverters make up a complete Evenlode system. The system has integrated Advanced Encryption Standard (AES) 256-bit (subject to export license) or Substitution Cipher Encryption. The uplink receiver and downlink transmitter are contained in a single transceiver module.
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Product Description

Since Video down links were first introduced, customers deploying COFDM based systems as the underlying technology, have demanded increased customization and functionality. Specifically, air platform users require their equipment to comply with DO-160 which is an aviation environmental conditions and test procedures certification. In addition, Military customers demand increased link robustness security protocols such as encryption and very low failure rates.

ECS has adapted its Evenlode product family to suit the evolution of air platforms such as helicopters which, require video down links to be ever smaller, lighter and consume less power, whilst increasing range and capability. This enables ECS to offer interoperability between rotary and fixed wing and unmanned platforms which are being used in the remote sensor role.

ECS has adopted and developed COFDM as its underlying technology for its down links, as the technology offers extendable range, sufficient bandwidth for Military and Security operations, whilst still offering a low operational cost solution from its aircraft-based Air Data Terminal.

The product and system design process within ECS has been developed in-line with industry and military standards and the Design Approved Organization Scheme (DAOS). The Company successfully achieved DAOS certification following their initial audit and has retained certification ever since. The Evenlode system has successfully completed RTCA DO-160-G specification, allowing the Air Data Terminal to be easily installed within aircraft.

ECS can also work with aerospace design and installation companies who retrofit the Evenlode Air Data Terminal to clients existing airframes if required.

The standard Evenlode transceiver is used with two receive antennas providing diversity reception. Uplink data may be used to provide UAV control, switch between different sensor inputs, provide camera control or be used to control downlink parameters. Ethernet and Asynchronous Serial Interface (ASI) inputs are provided for downlink data. The ASI input may be from an external Video www.enterprisecontrol.co.uk Audio Encoder Module (VEM). The VEM has two internal video encoders capable of encoding any two video signals selected by the operator from four HD and two Standard Definition (SD) inputs. ASI and Ethernet data rates are independently controllable. 

Evenlode may behave as an Ethernet bi-directional network repeater and also be compatible with all Enterprise Control Systems Ltd (ECS) video equipment. A low latency video encoder/ decoder option is available providing video delays of <140 ms. ECS supplies an extensive range of ground receiving systems and transceivers capable of integrating with Evenlode. These include fixed, vehicle-borne, briefcase and handheld receivers and transceivers. An Evenlode ground data terminal will contain a Video/Audio Decoder Module in the same configuration as the air Video/Audio Encoder Module. ECS is able to provide omnidirectional, diversity, sector tracking, multi-input diversity and high-gain GPS tracking ground station options.

Technical Specifications

Mechanical
130 mm x 126 mm x 218 mm, 3 kg approx

Power Requirements
135 W typ (LBand) 11-15, 22-30 VDC

Frequency
1.2 – 6.4 GHz; uplink and downlink channel set each within 10% proportional bandwidth. Isolation between channel sets

Link Mode Selection
FEC – 1/2, 2/3, 3/4, 5/6
Guard interval – 1/4, 1/8, 1/16
Modulation – QPSK, 16QAM
Channel bandwidth – 1.7, 2, 3, 4, 5, 6, 7, 8 MHz

Link Data Rate
930 kbps – 20.1 Mbps

Data Interfaces
100/10BASE-T Ethernet and, ASI    

Network Description
Bidirectional OSI-layer1 network repeater/2-port hub
Terminals on either side of Evenlode link on the same collision domain
Integral 2-port switch or routing technology to customer requirements

GPS Input
Line-powered GPS active antenna, ARINC429 interface or direct NMEA0183 feed also available
GPS input may also be via ethernet port

Video Formats Supported
AES 256 (subject to export license approval) or substitution cipher encryption

Control Data
Dedicated serial control (system control unit optional) or via ethernet port
The Evenlode air transceiver may also be controlled via the uplink
Control of modulation, guad interval, forward error correction, channel bandwidth, encryption, frequency and power (low/high)

Environmental
-20° C to +55° C temp, 0-90% rel humidity non-condensing, 25,000 ft altitude operating conditions

Enviromental
Tested to RTCA DO160F and DO160G standards. 

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Additional Resources

model-709-753-SMS_scorpio-3_600x600

Scorpio Spectrum Monitoring Software

Scorpio provides complete control and monitoring of our 700 series spectrum monitoring systems; and a full suite of ITU-compliant measurement, analysis and reporting tools.

model-640-DSC_600x600

Model 640 DSC VHF/UHF Antenna

20 MHz to 3 GHz VHF/UHF vertically-polarized, omnidirectional monitoring antenna

model-640-8_600x600

Model 640-8 SHF Monitoring Antenna

3 GHz to 8.5 GHz vertically-polarized SHF monitoring antenna
model-642_600x600

Model 642 VHF/UHF/SHF Antenna

20 MHz to 8.5 GHz VHF/UHF vertically-polarized, omnidirectional monitoring antenna

model-7031_600x600

Model 7031 HF Antenna

9 kHz to 30 MHz HF dual-polarized, active monitoring antenna

Additional Resources

Evenlode Integrator Benefits Video

Evenlode Through Life Support Video

Evenlode Brochure PDF

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Evenlode Ground Data System

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Evenlode Ground Data System

The Evenlode Ground Data System is part of the Evenlode Series and complements the Evenlode Airborne Data Links.

Equipment that is available in the Evenlode Ground Data Terminal system:

  • Rack Transceiver
  • Rack Dual Receiver or X-Versity Receiver
  • Antenna Control Unit (MSA5, 6, 9 and Steerable)
  • Mast Mounted Power Amplifier and Power Supply
  • Rack ASI/IP Decoder (Dual and Single)
  • Mains or Battery Power Supplies
  • Range of antenna solutions from omnidirectional to high gain tracking dish antennas
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Product Description

The Evenlode Ground Data System is a modular system that complements the Evenlode Series of Airborne Data Terminals. The GDS is based on a half width 19” rack system that provides ground based equipment from test transmitters and receivers through to long range bidirectional tracking antenna fixed base stations.

The Evenlode GDS provides a suite of antenna options ranging from covert omnidirectional antennas to tracking antennas that can achieve ranges in excess of 200 nautical miles.
Enterprise Control Systems Ltd (ECS) provides the complete ‘turnkey’ ground solution including: antennas, cabling, lightning protection, receivers, transmitters, power supplies, test equipment, installation and training.

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Technical Specifications

IF Input Frequency
500-800 MHz

IF Output Frequency
400 MHz

Link Data Rate
1 – 20 Mbps

Digital Video Output
DVI (HDMI type A connector)

Digital Video Input
SD-SDI

Control Port
RS232 4-way Lemo

GPS Data
RS232 9-way D-Type Female

Telemetry Data Port
RS232/485 9-way D-Type Female

Modulation
DVB-T COFDM

Modulation Type
QPSK, 16QAM

Video Formats
576i – 720×526 @25fps (PAL)
480i – 720×480 @30fps (NTSC)
720p – 1280×720 @50/60fps
1080i – 1920×1080 @25/30fps

Video Compression
AVC
H.264
MPEG-4           

Data Interfaces
100/10BASE-T ethernet and ASI

Encryption/Decryption
AES 256 (subject to export license approval) or substitution cipher            

ASI Input/Output
MPEG-2 TS ISO/IEC 13818-1 ETSI TR 101 891            

Can’t find what you need? Explore all CommTech products.

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Additional Resources

model-709-753-SMS_scorpio-3_600x600

Scorpio Spectrum Monitoring Software

Scorpio provides complete control and monitoring of our 700 series spectrum monitoring systems; and a full suite of ITU-compliant measurement, analysis and reporting tools.

model-640-DSC_600x600

Model 640 DSC VHF/UHF Antenna

20 MHz to 3 GHz VHF/UHF vertically-polarized, omnidirectional monitoring antenna

model-640-8_600x600

Model 640-8 SHF Monitoring Antenna

3 GHz to 8.5 GHz vertically-polarized SHF monitoring antenna
model-642_600x600

Model 642 VHF/UHF/SHF Antenna

20 MHz to 8.5 GHz VHF/UHF vertically-polarized, omnidirectional monitoring antenna

model-7031_600x600

Model 7031 HF Antenna

9 kHz to 30 MHz HF dual-polarized, active monitoring antenna

Additional Resources

Evenlode Design, Build & Test Video

Evenlode Video

Evenlode Brochure PDF

Contact Us

Evenlode Series

The Evenlode Series

Upgradable Lightweight Air Platform System

  • Custom configured for specific end-user requirements
  • Lightweight envelope (including antenna of 4 kg)
  • Designed for OEM’s, 3rd party integrator and end-users
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Product Description

Evenlode is a series of equipment providing capability for a range of Information Exchange Requirements; equipment may be deployed for air, ground and maritime applications. Evenlode is offered at three levels of complexity with a defined upgrade path. Upgrading from Evenlode I to Evenlode II to Evenlode III uses the previously installed hardware. Following initial deployment of technology, further capability may be added should the Concept of Operations be developed or changed. Equipment is offered as:

Evenlode I Video Transmitter/Receiver. An Evenlode I air transmitter and Evenlode I ground receiver may be used to downlink dual High Definition video, audio, GPS data and telemetry data from the air platform to the ground.

Evenlode II Video Transceiver. Evenlode II air equipment may be used to extend the range of a downlink via a relay system. An Evenlode II air transceiver and Evenlode II ground transceiver provides optional two-way video, audio, GPS and serial telemetry data capability.

Evenlode III Data Terminal. Evenlode III has the data exchange capability of Evenlode II. In addition, air and ground equipment may be deployed to extend the full range of Internet Protocol (IP) services to the air platform; these include internet in the air, remote sensor control from the ground, remote access to databases, augmented reality and shared white-boarding applications. The link between a pair of Evenlode III terminals behaves, in networking terms, as an Ethernet cable with a maximum data rate defined by the radio link parameters.

Air equipment is provided with omnidirectional antennas for point-to-multipoint video exchange. Ground equipment can be offered with a range of omnidirectional and position-steered antenna systems. The complexity of the antenna is dependent upon range and deployment requirements. Static ground equipment may be deployed across a wide area and networked to provide extended coverage.

ECS supplies an extensive range of ground receiving systems and transceivers capable of integrating with Evenlode. These include fixed, vehicle-borne, briefcase and handheld receivers and transceivers. ECS is able to provide omnidirectional, diversity, sector tracking, multi-input diversity and high-gain GPS tracking ground station options.

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Technical Specifications

Mechanical
139 mm x 145 mm x 218 mm, 3.6 kg approx

Power Requirements
135 W typ (L Band) 11-15, 22-30 VDC

Frequency
1.2 – 6.4 GHz; uplink and downlink channel set each within a 10% proportional bandwidth. Isolation between channel sets

Link Mode Selection
FEC – 1/2, 2/3, 3/4, 5/6

Guard Interval
1/4, 1/8, 1/16

Modulation
QPSK, 16QAM

Channel Bandwidth
1.7,2,3,4,5,6,7,8 MHz

Link Data Rate
930 kbps – 20.1 Mbps

Data Interfaces
100/10BASE-T Ethernet and, ASI

Network Description
Bidirectional OSI-Layer1 network repeater/2-port hub. Terminals on either side of the Evenlode link on the same collision domain. Integral 2-port switch or routing technology to customer requirements

GPS Input
Line-powered GPS Active antenna, ARINC429 Interface or direct NMEA0183 feed also available. GPS input may also be via Ethernet port

Encryption
AES 256 (subject to export license approval) or Substitution Cipher Encryption

Control Data
Dedicated serial control (System Control Unit optional) or via Ethernet port. The Evenlode air transceiver may also be controlled via the uplink. Control of modulation, guard interval, forward error correction, channel bandwidth, encryption, frequency

Environmental
-20° C to +55 ° C temp, 0 – 90% rel humidity non-condensing, 25,000 ft altitude operating conditions

Certification
Tested to RTCA DO160G Standards.

Can’t find what you need? Explore all CommTech products.

View All Products

Additional Resources

model-709-753-SMS_scorpio-3_600x600

Scorpio Spectrum Monitoring Software

Scorpio provides complete control and monitoring of our 700 series spectrum monitoring systems; and a full suite of ITU-compliant measurement, analysis and reporting tools.

model-640-DSC_600x600

Model 640 DSC VHF/UHF Antenna

20 MHz to 3 GHz VHF/UHF vertically-polarized, omnidirectional monitoring antenna

model-640-8_600x600

Model 640-8 SHF Monitoring Antenna

3 GHz to 8.5 GHz vertically-polarized SHF monitoring antenna
model-642_600x600

Model 642 VHF/UHF/SHF Antenna

20 MHz to 8.5 GHz VHF/UHF vertically-polarized, omnidirectional monitoring antenna

model-7031_600x600

Model 7031 HF Antenna

9 kHz to 30 MHz HF dual-polarized, active monitoring antenna

Additional Resources

Evenlode Video

Evenlode Overview Video

Evenlode Brochure PDF

Contact Us

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