Appropriate for military, civil and maritime communication use; either on control centers or coastal stations.

ANTENNAS SWITCHING

Ref.: CN-520-A

The CN-520-A antenna switching is designed to direct different radiofrequency signals between different transmitters and its antenna.

Applicable in INVELCO’s Navtex system to operate with 1, 2 or 3 transmitters in transmissions of 3 frequencies.

Frequency Range: 400KHz to 30MHz
Maximum Powers: 2500W
Time of Switching: <10 ms
Manages 1 transmitters EM-620-X, PTT, audio and antenna change.
Specially applicable in the NAVTEX system.
Able to operate in 490KHz; 518KHz and 4209.5KHz.

ANTENNAS SWITCHING

Ref.: CN-530-A

The CN-530-A antenna switching is designed to direct different radiofrequency signals between different transmitters and its antenna.

Applicable in INVELCO’s Navtex system to operate with 1, 2 or 3 transmitters in transmissions of 1 or 2 frequencies.

Frequency Range: 400KHz to 30MHz
Maximum Powers: 2500W
Time of Switching: <10 ms
Manages 1, 2 or 3 transmitters, PTT, audio and antenna change.
Specially applicable in the NAVTEX system.
Able to operate in 490KHz; 518KHz and 4209.5KHz.

NAVTEX REMOTE CONTROL

Ref.: GX-400-A

The GX-400-A is the autonomous unit for the automatic/manual management of Navtex transmissions in 490 / 518 / 4209.50 KHz.

This unit is located in the transmissions centre and will be remotely run by the Navtex operation program that will conveniently update the information for the Navtex automatic/manual broadcasts transmissions.

It will be done by means of Ethernet communication channels (from 1 to 3 channels). When using more than one Ethernet channel, there is redundant communications

The unit has the capacity of monitoring the NAVTEX transmissions by using an additional, an auxiliary NAVTEX receiver.

The unit can also be configured to run a MF-HF Invelco transmitter for the automatic management of the Navtex transmission frequencies.

Its functional structure is based on the use of a SBC (Single Board Computer) in a of 19″.

  • Automatic/Manual management (I/O) antenna/transmitter selection 490 / 518 / 4209.5 KHz.
  • Internal database storage of information needed to automatically perform scheduled broadcast.
  • Frontal light indicators of: PTT; 490KHz antenna and 4209.5 KHz antena.
  • Adjustable audio output level from -20 dbm to +5 dbm.
  • AFSK modulation type.
  • Automatic control management (RS-232) Frequency/RF Power Level transmitter selection 490 / 518 / 4209.5 KHz.
  • Automatic management (I/O) of pass to transmission (PTT).
  • Manual management (I/O) of main/reserve transmitter selection.
  • UPS supervision.
  • Fulfils the standards ITU-R M.540-2, ITU-R M.476-5, ITU-R M.625-3 and the Navtex Manual edition 2012 published by the IMO.

Navtex Transmission Managing Software

Ref.: SW-NAF-2F

The Navtex transmissions manager allows the maintainance of the programmed transmissions in 518KHz and 490KHz configuring them according to the needs.

As a difference from other versions, once a Navtex is modified or created, it is updated to a remote equipment located in a transmitter station. We, therefore, obtain Navtex transmissions even if the communication between both equipment is cut.

The communication with a remote equipment is done simultaneously through two communication lines (Ethernet and Modem connection), assuring the information arrives to its destiny. The state of such lines stays reflected by means of signalings in the main panel.

During the transmissions, the Navtex manager receives from the transmitter centre the Navtex monitoring in the remote receiver allowing therefore the maintenance of the data synchronization with the remote equipment located in the transmitter station.

  • Programmed transmissions automatically.
  • Complete Navtex managing of the programmed transmissions.
  • Display in real time of the transmissions progress.
  • Monitoring of the Navtex in real time.
  • Completely configurable system.
  • SQL SERVER ralational data base.
  • Configures the parameters of the query to the data base.
  • Reports creation.
  • Configurable Backup device.
  • Message reception through network.

Navtex Transmissions Managing Software

Ref.: SW-NAV-3F

The Navtex transmissions manager allows keeping maintainance of the programmed transmissions of each coast. This can be configured, according to the needs, 518, 490 and 4209.5KHz.

The difference between the previous versions, once the Navtex has been created or modified, is that it is updated in the remote equipment (GX-400-A). This equipment is located in the transmitter station and therefore, although the communications between both equipments is interrupted, we ensure the Navtex transmission.

The communication with the remote equipment can be done, simultaneously, with up to three communication channels (Ethernet connection, Modem, GSM), ensuring therefore, that the information arrives to it’s destiny. The state of such lines stay reflected by means of signallings in the communications panel.

During the transmissions, the Navtex manager receives from the transmitter centre the Navtex that are monitored in the remote receiver. This allows keeping a synchronization of the data with the remote equipment located in the transmitter station.

  • Managing up to eight coast stations simultaneously.
  • Automatically programmed transmission in three frequencies.
  • Inmediate individual transmissions.
  • Remote Control of the INVELCO’s transmitters.
  • Integration with external networks.
  • Complete Management of the Navtex programmed transmissions.
  • Display in real time of the progress of a transmission.
  • Monitoring of the Navtex in real time.
  • Complete configurable system.
  • SQL SERVER ralational data base.
  • Configures the parameters of the query to the data base.
  • Reports creation.
  • Configurable Backup device.
  • Message reception through network.
  • Main transmitter switch to reserve.

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