Time Reference System – TRS put into operational use in BHACC

Time Reference System – TRS put into operational use in BHACC / 1
Time Reference System – TRS put into operational use in BHACC / 2

6th January 2022. | News

Time Reference System – TRS put into operational use in BHACC

BHANSA has put a new system for determining and distributing of the exact time (Time Reference System – TRS) into use, manufactured by Meinberg – Lantime M4000, in both Area Control Centres of BiH (BHACC) – ATCU I Sarajevo and ATCU II Banja Luka, and in all units located in the BHACC facilities:  JPAKL Banja Luka, NOTAM (BHNOF), BHMET, FIS and BHRCC. In this way, the modernisation of TRS has been completed in all BHANSA units. 

The TRS system provides functionalities needed to determine and distribute the exact time with the redundant architecture and with two systems running in a parallel mode. One system delivers time data to other systems and clocks, whilst the other takes over the delivery of time data if there should be any operational problem with the hitherto active system. 

The new TRS system in BHACC enables the synchronisation according to the NTP protocol of all systems used by BHACC and JPAKL Banja Luka (VCS, VRRS, AMHS, DPS and DPS positions in JPAKL Sarajevo, AFTN/AMHS, Meteo, as well as console and wall clocks). Console and wall clocks have the ability to connect to multiple time-providing systems, so that multiple IP addressed could be configured hierarchically. 

GPS satellite system and DCF77 radio signal are used as the source of time data. 

The power supply is redundant, i.e. it has two power supply units. 

TRS system has the ability to monitor operation and configuration via a monitoring computer equipped with a software which enables the configuration of the TRS system in all its segments, monitoring the TRS system status, visual and / or audio warnings if there is a change in the TRS system status.  

During the implementation of the project, training of the technical staff in charge of monitoring and maintenance of the system has been held. After the installation of the TRS system, maintenance and monitoring training has been conducted by BHANSA's instructors.  

BHDCA has accepted the change in the ATM system in accordance with the applicable procedures. 

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