AUXCOM EXAM QUESTIONS WITH
ANSWERS.
Watchstander qualification by an Auxiliary Communications Specialist at a
station will usually require completing what criteria? (page 4)
a) only AUXCOM
b) only TCO PQS
c) Communications Watchstanders Qualification Guide,
COMDTINST M16120.7A (Series).
d) Only A and B. - correct answer -c) Communications Watchstanders
Qualification Guide, COMDTINST M16120.7A (Series).
What type of bearing is usually taken by a mobile and a fixed RDF unit? (page
3)
a) Mobile units, including vessels, are usually taking relative bearings
converting them into magnetic bearings while fixed units usually take True
bearings.
b) Magnetic.
c) True.
d) None of the above. - correct answer -a) Mobile units, including vessels, are
usually taking relative bearings converting them into magnetic bearings while
fixed units usually take True bearings.
What are the two basic types of RDF units? (page 1)
,a) Automatic, electronic
b) Automatic, manual
c) Fixed, handheld
d) All of the above. - correct answer -b) Automatic, manual
How does a RDF unit determine the LOP? (page 2)
a) By measuring the strength of the signal.
b) By measuring the strength of the wave front.
c) By drawing a line perpendicular to the wave fronts.
d) By measuring the phase relationship on the omni-directional antenna. -
correct answer -c) By drawing a line perpendicular to the wave fronts.
What law enforcement powers does an Auxiliarist have when locating an illegal
transmitter? (page 2)
a) Citizens
b) Maritime
c) None
d) A and B. - correct answer -c) None
Do automatic RDF units give bi-directional LOPs? (page 3)
a) Yes
b) No
,c) Depends on the conditions.
d) Only give an omni-directional LOP. - correct answer -b) No
What are some of the uses for RDF units? (page 1) (page 2)
a) Location of distressed vessel.
b) Location of distressed beacon.
c) Location of an interfering signal.
d) All of the above. - correct answer -d) All of the above.
Several LOPs intersecting at a point is called? (page 3)
a) An intersection
b) A fix.
c) A point.
d) None of the above. - correct answer -b) A fix.
The bearing information should only be given to? (page 2)
a) Any requesting parties.
b) Coast Guard authorized recipients.
c) Boaters.
d) All of the above. - correct answer -b) Coast Guard authorized recipients.
, In communications nomenclature, the band named "very high frequency"
covers what frequency range?
a) 3 - 30 Hz
b) 30 - 300 kHz.
c) 30 - 300 MHz.
d) 3 - 300 MHz. - correct answer -c) 30 - 300 MHz.
Express 2.182 MHz in kilohertz (kHz).
a) 2182 kHz.
b) 21.82 kHz.
c) 2.182 kHz.
d) 218.2 kHz. - correct answer -a) 2182 kHz.
What is the typical range of VHF-FM radio communications? (page 5)(page
15)
a) Up to 25 miles, depending on antenna height.
b) Line of sight.
c) Handhelds, 1 - 2 miles.
d) All of the above. - correct answer -d) All of the above.
ANSWERS.
Watchstander qualification by an Auxiliary Communications Specialist at a
station will usually require completing what criteria? (page 4)
a) only AUXCOM
b) only TCO PQS
c) Communications Watchstanders Qualification Guide,
COMDTINST M16120.7A (Series).
d) Only A and B. - correct answer -c) Communications Watchstanders
Qualification Guide, COMDTINST M16120.7A (Series).
What type of bearing is usually taken by a mobile and a fixed RDF unit? (page
3)
a) Mobile units, including vessels, are usually taking relative bearings
converting them into magnetic bearings while fixed units usually take True
bearings.
b) Magnetic.
c) True.
d) None of the above. - correct answer -a) Mobile units, including vessels, are
usually taking relative bearings converting them into magnetic bearings while
fixed units usually take True bearings.
What are the two basic types of RDF units? (page 1)
,a) Automatic, electronic
b) Automatic, manual
c) Fixed, handheld
d) All of the above. - correct answer -b) Automatic, manual
How does a RDF unit determine the LOP? (page 2)
a) By measuring the strength of the signal.
b) By measuring the strength of the wave front.
c) By drawing a line perpendicular to the wave fronts.
d) By measuring the phase relationship on the omni-directional antenna. -
correct answer -c) By drawing a line perpendicular to the wave fronts.
What law enforcement powers does an Auxiliarist have when locating an illegal
transmitter? (page 2)
a) Citizens
b) Maritime
c) None
d) A and B. - correct answer -c) None
Do automatic RDF units give bi-directional LOPs? (page 3)
a) Yes
b) No
,c) Depends on the conditions.
d) Only give an omni-directional LOP. - correct answer -b) No
What are some of the uses for RDF units? (page 1) (page 2)
a) Location of distressed vessel.
b) Location of distressed beacon.
c) Location of an interfering signal.
d) All of the above. - correct answer -d) All of the above.
Several LOPs intersecting at a point is called? (page 3)
a) An intersection
b) A fix.
c) A point.
d) None of the above. - correct answer -b) A fix.
The bearing information should only be given to? (page 2)
a) Any requesting parties.
b) Coast Guard authorized recipients.
c) Boaters.
d) All of the above. - correct answer -b) Coast Guard authorized recipients.
, In communications nomenclature, the band named "very high frequency"
covers what frequency range?
a) 3 - 30 Hz
b) 30 - 300 kHz.
c) 30 - 300 MHz.
d) 3 - 300 MHz. - correct answer -c) 30 - 300 MHz.
Express 2.182 MHz in kilohertz (kHz).
a) 2182 kHz.
b) 21.82 kHz.
c) 2.182 kHz.
d) 218.2 kHz. - correct answer -a) 2182 kHz.
What is the typical range of VHF-FM radio communications? (page 5)(page
15)
a) Up to 25 miles, depending on antenna height.
b) Line of sight.
c) Handhelds, 1 - 2 miles.
d) All of the above. - correct answer -d) All of the above.
