Ch2 Communications Flashcards
Can you name the 8 radio tower sites in Calgary?
Bankers Hall Spy Hill Forest Lawn Trans Alta Fish Creek Airport South Calgary Hospital Coventry North
Radio systems can operate in what two modes?
Duplex and Simplex
How are direct signal transmissions primarily used?
Radio to radio
Fire Ground Communications
What is a Duplex channel used for?
Contacting dispatch through a radio tower.
What is the name of zone that is paired with a channel?
This is known as a Talk Group. When dispatch assigns an incident Zone B, Channel 3, fire crew communicate on talk group Bravo Three.
What is a Code 15?
To check in every 20 minutes
What is a Code 200?
A FF is under direct threat from an assailant
The straight line travel of radio signals between the transmitting radio and the receiving radio is know as…
Direct Communication
When portable radios are used in hazardous atmospheres, they must be…
intrinsically safe for the specific environment
How many zones does the CFD use? (radio)
6 zones. A, B, C, D, E, and F.
How many channels are on each zone that CFD uses?
16 channels
What transmissions are radio to radio and are sent on the same frequency, have “line of sight” and have a limited transmission range…
Simplex mode (conventional)
Radio communications are transmitted on one frequency and received on another are referred to as…
Duplex mode (trunking)
Portable radio accountability… CFD manual
Portable radios have a unique encoded 6-digit identifier, which is displayed on the main and top LED screens as well as the attached label on the front.
The CFD uses the Motorola APX 6000 XE that is a handheld portable radio used for communication on the fire ground and CFD business.
How long is the unit submersible in water for?
2 meters for 2 hours