ROC-A Flashcards
ROC-A
Restricted Operator Certificate with Aeronautical Qualification
e.r.p.
effective radiated power
PEP
peak envelope power
What is the order of priority for transmission of messages in the aeronautical service?
- Distress communications.
- Urgency communications.
- Communications relating to radio direction-finding.
- Flight safety messages.
- Meteorological messages.
- Flight regularity messages.
- Messages relating to the application of the United Nations Charter.
- Government messages for which priority has been expressly requested.
- Service communications relating to the workings of the telecommunication service or to communications previously exchanged.
- All other aeronautical communications.
What is subsection 9(2) of the Radiocommunication Act?
No person shall divulge the contents, or the existence, of communications transmitted, received, or intercepted by a radio station, except as permitted by the addressee of the message or his/her accredited agent, or to authorized officials of the Government of Canada, officers of the court or an operator of a telecommunications system as is necessary to forward or deliver the communication. These restrictions do not apply to a message of distress, urgency, safety or to messages addressed to “ALL STATIONS” (i.e. weather reports, storm warnings, etc.).
What are the consequences of violating the privacy of communication?
As outlined in section 9.1 of the Act, any person who violates the privacy of communications is liable, on summary conviction, in the case of an individual, to a fine not exceeding $25,000 or to imprisonment for a term not exceeding one year, or to both, or in the case of a person other than an individual, on summary conviction, to a fine not exceeding $75,000.
Who controls communications? As in the order and time of transmission, the choice of frequency, and the duration and suspension of communications.
Between aeronautical ground stations and aircraft stations - ground has control unless it’s a distress or urgency communication in which case whoever initiated the call has control.
Between aircraft - the station being called has control.
Frequency to be used is to be said and confirmed in all cases.
What is subsection 32(1) of the Radiocommunication Regulations?
Superfluous communication, as well as profane and obscene language, is strictly prohibited.
What are the consequences of violating subsection 32(1) of the Radiocommunication Regulations?
Any person who violates the regulations relative to unauthorized communications, profane or obscene language is liable, on summary conviction, in the case of an individual, to a fine not exceeding five thousand dollars or to imprisonment for a term not exceeding one year, or to both, or in the case of a corporation, on summary conviction, to a fine not exceeding twenty-five thousand dollars.
What violation has the same penalties as those for violating subsection 32(1) of the Radiocommunication Regulations?
The Act clearly states that all radio stations shall be operated so as not to interfere with or interrupt the working of another radio station. The penalties are the same for those for violating subsection 32(1) of the Radiocommunication Regulations.
When is it ok to interrupt or interfere with the normal working of another station?
When you are required to transmit a higher priority call or message, for example, distress, urgency, or other priority calls or messages.
What is paragraph 9(1)(a) of the Radiocommuncation Act?
No person shall knowingly send, transmit, or cause to be sent or transmitted any false or fraudulent distress signal, message, call, or radiogram of any kind.
What are the penalties of sending a false distress signal?
Penalties for this offence, on summary conviction, in the case of an individual, can include a fine not exceeding five thousand dollars or imprisonment for a term not exceeding one year, or to both, or, in the case of a corporation, to a fine not exceeding $25,000.
What are the two main tips for talking on the radio?
Speed: Keep the rate of speech constant, neither too fast nor too slow. Remember that the operator receiving your message may have to write it down.
Rhythm: Preserve the rhythm of ordinary conversation and word pronunciation. Also, avoid the introduction of unnecessary sounds such as “er” and “um” between words.
How is time expressed on the radio?
24 hour clock, 4 digits, and zulu time.
Or, if ALL operations are in one time zone, time can be expressed in the local time zone with it indicated at the end. For example 1200 E (E is EST).
0920Z - Zero nine two zero zulu
What is the one standard time zone?
Coordinated Universal Time (UTC) aka Greenwich Mean Time (GMT) aka zulu time (Z)
How is date expressed on the radio with time?
6 digit number… first two is day of the month.
161200
A
Alfa
B
Bravo
C
Charlie
D
Delta
E
Echo
F
Foxtrot
G
Golf
H
Hotel
I
India
J
Juliet
K
Kilo
L
Lima
M
Mike
N
November
O
Oscar
P
Papa
Q
Quebec
R
Romeo
S
Sierra
T
Tango
U
Uniform
V
Victor
W
Whiskey
X
X-Ray
Y
Yankee
Z
Zulu
0
ZE-RO
1
WUN
2
TOO
3
TREE
4
FOW-er
5
FIFE
6
SIX
7
SEV-en
8
AIT
9
NIN-er
How are numbers expressed on the radio?
All numbers except whole numbers should be transmitted by pronouncing each digit separately. If there are any decimals, they are indicated by the word “decimal.” Dollars say dollars at the beginning.
100 becomes - one zero zero
11,000 becomes - one one thousand
68,009 becomes - six eight zero zero nine
121.5 becomes - one two one decimal five
$17.25 becomes - dollars one seven decimal two five