The Airlines Communication System Management

The Airlines Communication System Management

Airlines communication systems are maintained by:

1 SITA(Society De Telecommunication Aeronautics provided services)

2 Telephone System

3 Radio Communication System

Those are briefly described below:


First of all, we observe the SITA Network. SITA provides various kinds of network services, which is only provider for Airlines all around the world. Its data transmission speed is 9.6/19.2/64/128kbps. It head office is in France. SITA provides reservation system (Type-A) of all passengers that is reservation detail, flight planning for aircraft Captain (including weather forecast), SITA departure control system (automated system for issuing boarding pass for departure passengers). SITA messaging center (SITATEX, Type-B) is as first that it can message 10 or above country within a 0.3 micro second. For if anyone wanted to send message London, then address is LON UU BG. FOR Dhaka address is DAC XT BG. Messaging center actually provided input box, waste box, error location find.


There are two types of telephone systems used:

PABX(Public Automated Branch Exchange)

Some electronics devices control the total PABX switching system. These are:

1 Rectifier(48 V Output)

2 Card

3 Power Backup through Battery

The total PABX communication switching system is provided by Siemens (EMS 601).


Organization uses intercom system for its internal communication only. All the handsets have speaker phone system. So everybody can hear the conversion between two parties.


These are two kinds.


It communicates small area. It is one way communication system and half duplex. It covers approximately 3p5 KM.

Ground to Air Communication

In ground to air communication system any person from the Airlines communicates with the aircraft crew at any time. In this system there are Dipole Antenna, Hertz Ian dipole Antenna, Unidirectional Antenna etc. The Unidirectional Antenna gain is 4dB again there is a local line of side bandwidth whish uses high frequency. Its output is 5 watt. The best gain antenna is VHF Antenna which gain is 1 or 3 dB. Its output is 50 watt and radiation pattern is 100 watt. If anyone is outside the Airlines such as pilot or co-pilot, they are messages by this technology.

Walkie Talkies in Schools

Children of all ages are sent for their education to schools and thus they spend a lot of time inside the school campus. The safety and security of these kids should thus be the highest priority for the institutions, which in all ways is responsible for their safety inside the campus. Communication and co-ordination between the various staff and teachers is thus very imperative. It is impossible to personally send or receive messages, especially when the school is big and covers many buildings or dormitories. At the same time fixing a telephone in each block or even in each class is time and cost consuming task. Moreover there is no surety that the lines will always work. The best form of communication in terms of time and cost is the Walkie talkie. Walkie talkies are hand held radio receivers, which can be carried by all within the vicinity of the school campus, eliminating the costr of mobile phone calls.

Walkie talkies are a modern communication concept which became popular after the Second World War. It is vastly used in commercial work areas where each important employee will be spread out in a long area. It functions more like a radio as it receives and sends out radio signals. These are hand held devices which can be carried around with ease. Schools are generally situated over vast areas of land and the staff or security personal will be moving in different directions or placed in different points. The Walkie talkies will help in speeding up the communication process in case of emergencies. Many types of Walkie talkies are available in the market. It can also be customized to suit personal needs. The number of walkie talkie hand held devices and the area will determine the cost of setting up this communication system.

Long Range Radios have the following advantages which makes them a better option over satellite and cellular communications.

Walkie talkies can be used to contact the teaching staff or the security staff at anytime wherever they might be inside the school campus. Other than this there might arise some emergency situation where the need for technical assistance is critical or imperative. The technicians can be contacted immediately and the problem is solved without much delay. Take for example a child is hurt, the doctor in the campus can be summoned immediately using this communication system. Security personal can be alerted about strangers in the campus, strange predators and thieves immediately. Thus the use of Walkie talkies in schools are very important and have become a basic necessity these days as the need and responsibility of the schools to protect the institution and the children are high.

The best part is there is no loss of time and the work or the problem is immediately resolved without delay. It is a one time investment on the part of the schools and many companies might even offer special discounts for schools. Installing the Walkie talkie in your school might also hold high esteem in the eyes of the parents who will be satisfied with the arrangements in school. Get the best services and secure the name, fame and trust of the school by installing Walkie talkies today!

Is George Noory Ruining Art Bell Show with Silly and Stupid Open Call-in Lines?

The Art Bell Show, which is now called; Coast to Coast now has a new host named George Noory. Unfortunately, many of the listeners have complained that the intellectual conversation on the show is now leaning very liberal and has become, a sounding board for socialist views. Further, many of the guests on the show seem to use the show as a Bush bashing opportunity to criticize the Bush administration.

This has turned off many listeners and I suspect that their viewer ships are going down not up, as they proclaim. Additionally, many listeners feel that George Norry is ruining the Art Bell show with silly and stupid open line call-ins, where people call up and tell about their nightmare dreams or that they saw Bigfoot. Not everyone is unhappy, but the more intellectual crowd is.

Many other people calling in are of such obviously low IQ, that many of the more intellectual people who used to listen to the show for intellectual input have turned it off. We recently discussed this in our think tank and it was almost unanimous that most of the members of the think tank no longer listen to the show at all.

It is becoming a bunch of poppycock and utter hokum due to views silly and stupid open call-in lines where complete inbred morons call-in in and say stupid things. Many people feel that George Norry has ruined the show, but all agree he is a very nice fellow personally. Although many people do listen because some of the guests who come on are O. K., but they are getting far and few between anymore. An end of an era perhaps. Consider this in 2006.