Ramsey Electronics AM25 Instrukcja Obsługi Pobierz pdf (Strona 5)

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intended flight plan. This communication is done before contacting ground

control for taxi instructions. From the control tower, ground movements on

ramps and taxiways are handled on the “Ground Control” frequency, while

runway and in-flight maneuvers near the airport (takeoffs, local traffic patterns,

final approaches and landings) are on the “Control Tower” frequency. ATIS, or

"Automatic Terminal Information System" is a repeated broadcast about basic

weather information, runways in use, and any special information such as

closed taxiways or runways. Such a broadcast offers an excellent steady

signal source for initial adjustment of your receiver, if you are close enough to

the airport to receive ATIS.

• Approach Control

• Departure Control

These air traffic radar controllers coordinate all flight operations in the vicinity

of busy metropolitan airport areas.

• ATC Center

When you hear a pilot talking with "Jacksonville Center" or "Indianapolis

Center", you know the aircraft is really enroute on a flight rather than just

leaving or just approaching a destination. A pilot will be in touch with several

different "Regional Centers" during a cross-country flight.

• "Unicom"

Airports without control towers rely on the local "Unicom" frequency dedicated

only to advisory communications between pilots and ground personnel such

as fuel service operators. The people on the ground can advise the pilot on

the status of incoming or outgoing aircraft, but the pilot remains responsible

for landing and takeoff decisions. Typical Unicom frequencies are 122.8 and

123.0 Mhz.

• FAA Flight Service Stations (FSS)

The FAA's network of Flight Service Stations keeps track of flight plans,

provides weather briefings and other services to pilots. Some advisory radio

communication takes place between pilots and a regional"FSS". If there is an

FSS in your local area, but no airport control towers, the FSS radio frequency

will stay interesting.

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Ramsey Electronics AM25 Instrukcja Obsługi Strona 5