Radiotelephone Handbook

Question 1

Radiotelephone users speak for, and with the authority of ___

Answer 1

Their command

Question 2

___ monitor radiotelephone circuits to ensure

compliance with professional standards

Answer 2

Sectors and communication

stations

Question 3

Prohibited practices (11)

Answer 3

1. Violating radio silence.
2. Unofficial conversation between operators.
3. Transmitting on a directed net without permission
   (except for flash or immediate precedence traffic).
4. Excessive tuning or testing for more than 10 seconds.
5. Failure to listen before transmitting.
6. Transmitting the operator’s personal sign or name.
7. Using other than authorized procedure words.
8. Unauthorized use of plain language in place of
   applicable prowords or operating signals (OPSIGs).
9. Any other unauthorized use of plain language.
10. Linkage or compromise of classified call signs and
    address groups by plain language disclosures or
    association with unclassified call signs.
11. Profane language or loss of temper.

Question 4

Speak numerals in single digits using the proword ___

Answer 4

Figures

Question 5

Always send date time groups (DTGs) ___,

preceded by the proword ___

Answer 5

Digit by digit

Time

Question 6

Do not use the proword FIGURES when transmitting ___

Answer 6

Message headings

Question 7

Use the phonetic alphabet to spell out difficult words (or
groups) within the message text, and precede with the
proword ___

Answer 7

I spell

Question 8

If the word in question can be

pronounced, do so ___

Answer 8

Before and after spelling it

Question 9

For words that sound

the same, but have different meanings ___

Answer 9

Follow the same I SPELL procedure

Question 10

If a message contains coded groups or other words that

cannot be pronounced ___

Answer 10

Transmit the letters’ phonetic

equivalents, and precede each with the proword I SPELL

Question 11

If the letter/number combination starts with a number, use

the proword ___

Answer 11

Figures

Question 12

If the combination starts with a letter, use the proword ___

Answer 12

I spell

Question 13

Use abbreviations when ___

Answer 13

Radio conditions are satisfactory
and the abbreviations are sufficiently well known to avoid
any confusion

Question 14

Speak common abbreviations as in ___

Answer 14

Normal speech

Question 15

Speak dates digit-by-digit using the full month’s ___

Answer 15

Name

Question 16

Use the phonetic alphabet for personal initials, preceded by

the word ___

Answer 16

Initials

Question 17

Precede roman numerals by the phrase ___, then transmit as the corresponding ___

Answer 17

Roman numerals

Arabic numerals

Question 18

Do not use punctuation unless ___

Answer 18

Necessary for message clarity

Question 19

After ___ unsuccessful attempts to contact a
station, transmit the proword ___. Establish communications with
another station, and request assistance in
contacting the original unit. Continue contact
attempts at ___ intervals

Answer 19

Three
Nothing heard
Reasonable

Question 20

Recipient response required

Answer 20

Over

Question 21

No response required

Answer 21

Out

Question 22

Use for pauses that require

only a few seconds

Answer 22

Wait

Question 23

Use for pauses that require

more than a few seconds

Answer 23

Wait out

Question 24

For aircraft engaged in SAR operations, insert ___ as

part of the call sign

Answer 24

Rescue

Question 25

If you make a transmission error, transmit the
proword ___ followed by the last word,
group, proword, or phrase that was correctly sent

Answer 25

Correction

Question 26

Do not ROGER for a message until ___

Answer 26

Certain it was

received correctly and completely

Question 27

Cancel transmissions in progress with the proword ___

Answer 27

Disregard this transmission

Question 28

Messages sent in

error that have already been receipted for require a ___

Answer 28

Separate cancellation message

Question 29

A real-time
procedure to help enforce security on unsecure military
voice circuits

Answer 29

Beadwindow

Question 30

Make radio checks on ___

Answer 30

Coast Guard working frequencies

Question 31

Radio check response includes ___

Answer 31

Signal strength

Readability

Question 32

Signal strength options

Answer 32

Loud
Good
Weak
Very weak
Fading

Question 33

Signal readability options

Answer 33

Clear
Readable
Distorted
With interference
Intermittent
Unreadable

Question 34

Loud =

Answer 34

Strong signal

Question 35

Good =

Answer 35

Good signal

Question 36

Weak =

Answer 36

Can hear, but with difficulty

Question 37

Very weak =

Answer 37

Can hear, but with great difficulty

Question 38

Fading =

Answer 38

Signal alternates between strong and weak

Question 39

Clear =

Answer 39

Excellent quality

Question 40

Readable =

Answer 40

Good quality

Question 41

Distorted =

Answer 41

Trouble copying

Question 42

With interference =

Answer 42

Trouble copying due to interference

Question 43

Intermittent =

Answer 43

Signal alternates between readable and unreadable

Question 44

Unreadable =

Answer 44

Quality is so bad transmission cannot be understood

Question 45

Do not exchange signal strength and readability unless ___

Answer 45

You cannot clearly hear another station

Question 46

Imposing silence:

Answer 46

ALL STATIONS (repeat 3 times) - THIS IS (repeat voice
call sign 3 times) - SILENCE (repeat 3 times) - 2670 kHz -
I SAY AGAIN - ALL STATIONS (repeat 3 times) - THIS
IS (repeat voice call sign 3 times) - SILENCE (repeat 3
times) - 2670 kHz - OUT

Question 47

Lifting silence:

Answer 47

ALL STATIONS (3 times) - THIS IS (voice call sign 3
times) - SILENCE LIFTED (3 times) - 2670 kHz -OUT