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Class notes Equipment Operations and Systems Management

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Class notes on Equipment Operations and Systems Management cover the principles and concepts of effectively managing and operating equipment and systems. Topics include maintenance strategies, equipment selection, troubleshooting, and asset management. The notes provide students with the knowledge ...

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Document information

  • July 11, 2023
  • 14
  • 2022/2023
  • Class notes
  • Dave ralph
  • All classes

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he set of frequencies over which a piece
Radio theory and if radio equipment broadcast and/or
receives. A higher or “greater” bandwidth
equipment quality of a radio s most often considered
a positive feature as it has larger capacity
Equipment : The set of physical for voice and data traf c.
resources serving to equip a person to
complete a function of duty. Channel : a single frequencies assigned
for usage. Licensed by industry Canada,
Equiptment fond in an emergency FCC in US.
communication centre :
- Headset Factors that negatively impact radio
- Computer transmission :
- Radio - Building (still and concrete structure,
- Telephone high-rises, elevators)
- Maps - Radiology in hospitals
- Fax machine - Tunnels and basements
- Recording equipment - Weather (water absorbs radio waves,
- TDD/TTY heavy snow or rain, dense fog or
- Text with 911 humidity)
- Other radio signals (radio and tv
Operations : Performance of practical towers. Large event, hydro lines, solar
work or something involving the practical ares)
application of principles of processes - Sunspots
- Geography (mountains, valleys, trees
- It's important to have a working [if frequency is low]
knowledge of radio, telephone, and - Low power
computer functions and capabilities. - Movement ( moving to a low area ;
- Trouble shoot small problems moving further away from the source)
- Know your equipment limitations
- Willingness to learn and initiate Repeaters : Radio broadcasts have a
improvement on the job limited range. The father away from the
source, the weaker the signal becomes.
Wavelength : radio signals travel is Most modern organizations now use
waves, measured in distance from the top repeaters due to the large area they must
of one wave to the next cover, as well as the number of large
obstructions including tall buildings and
Cycle : one complete wave prior to its geographical features.
repetition. *EXTENDS THE RANGE OF
COMMUNICATIONS *
*CONSISTS OF A NETWORKS OF TOWERS
Frequency(Channel 1) : the number of SPREAD ACROSS A LARGE AREA*
cycles occurring per second.
Simplex radio Communications
Bandwidth : The range between the
upper and lower frequencies in a
continuous set of frequencies. Refers tot




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, - Basic operations; one channel - Important as they are the “base” of any
( frequency) to transmit only, cannot communications and must be able to
receive hear everyone.
- Limited broadcast applications such as - Read system in a communication
television and radio transmutation, centre is an example of this as it is
baby monitors. “ xed”

Half Duplex Communications Mobile Radio :
- Operate on one channel (frequency), - Mounted in the vehicle , normally near
not capable of transmitting and he dash
receiving at the same; only allow for - Usually have an external, permanently
two users to communicate at one time - mounted antenna
users must wait for free air time. - Moderate power ratings and can
broadcast and receive base signals as
Full Duplex Communications well as other portable and mobile
- Operates on 2 channels (frequencies radios as well.
simultaneously, allows for users to - Found is vehicles such as cars, re
transmit and receive at the same time. apparatus, police cruisers and
ambulances
Trunking :
- is a complex type of computer- Portable Radio :
controlled two-way radio system that - Small is size and weight compared to
allows sharing of relatively few radio base or mobile radios
frequency changes among a large - Usually have their own internal
group of users. rechargeable battery
- Several frequencies are assigned to a - Carried with the individual and can be
logical grouping or “talk group” used away from a car or station; mobile
generally based on a geographic area; radio will act as a repeater.
users select a talk group to - Have limited power, small antenna, and
communicate in much the same way limited range
they would a single channel - As the battery loses power, the
- When a user transmits, a control strength of the signal deteriorates
computer sends message through the - Highly affected by external
rst available frequency in the talk environment
group - Example : Walkie-Talkie, MIC
- Is transparent to users (they don’t cellphones
know it’s happening); can be used by
multiple agencies.
Telephone/Recording
Types of Radio Equipment:
Base radio : Technology and CAD
- Large, xed radio units with large xed
antennas and wiring Basic Telephone Technology and features
- Have powerful transmitters capable of • Multi lines
sending and receiving signals over long • Hold
distances. • Call conference




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