Communications Flashcards
1
Q
“What COMDTINST is the Frequency manual?
A)M2400 B)M2104
C)M2900 D)M2205”
A
M2400.1
2
Q
In a CGMS message FOUS comes after _____?
A
Unclas
3
Q
CG–2891
A
Radio Interference
4
Q
Civ air distress
A
121.5 MHz
5
Q
DSC distress alerts must be acknowledge within _____?
A
2.75 Minutes
6
Q
NAVTEX Frequency
A
518kHz
7
Q
HU–25A callsign?
A
Guardian
8
Q
HF international hailing and distress?
A
2182 kHz
9
Q
R” Routine”
A
6 hours or next Business day
10
Q
P” priority”
A
3 hours
11
Q
O” Immediate”
A
30 minutes
12
Q
Z” Flash”
A
less than 10 minutes
13
Q
What are the frequency ranges of MF?
A
300–3000KHZ
14
Q
What are the frequency ranges of HF?
A
3–30MHZ
15
Q
What are the frequency ranges of VHF?
A
30–300MHZ
