Signal communication Flashcards
– is a method by means of conveying
information of any kind from one person or place to another
except direct conversation.
a. Signal Communication
- A medium by which message is
conveyed from one person or place to another.
b. Means of Communication
- A facility which embraces the
personnel
and equipment necessary to provide signal
communication by any particular.
c. Agency of Communication
- Messenger – One of the oldest and most reliable
method of transmitting intel message. Most secured means of
communication. Messenger may be classified as special and
scheduled messenger. - Trained Animal - One of the most efficient trained
animals in the field of communication like dove birds and dogs. - Mail – This is by mail forwarding of messages by an
established postal system.
a．Physical Communication :
: Transmission of signals over a distance for
the purpose of communication.
1. Radio – Communication used in wireless transmission
of signals through free space by electromagnetic radiation of a
frequency significantly below that of visible light, in the radio
frequency range.
2. Wire – Communication uses field wire, cable
assemblies, battery operated telephone, switchboard, typewriter
and associated equipment.
3. Sound – Communication uses sound signal
transmission by whistles, bugles, horns, gongs, weapon and other
noise making devices. They are used chiefly to attract attention,
pre-arranged message, and speed alarm.
4. Visual – Communication uses visual aid and is
described as the conveyance of ideas and information in forms that
can be read or looked upon. It expressed in signs, drawing, graphic
design, color and electronic resources.
b. Telecommunication
- Radio facilities can be used more quickly than wire
communication. - Radio mounted in a vehicle, radio equipment ready to
used and does not require installation.
3.Radio is mobile, it can be used aerial, amphibious
vehicle and dismounted unit. - Communicate for a distance.
- Radio has different mode of operation such voice
radio telephony, telegraph, teletype transmission.
a．Radio Capabilities.
1.Radio is subject to equipment breakdown.
2.Radio is subject to interference.
3.Radio is the least secured means of communication.
b. Radio Limitations.
1.It is necessary to maintain radio silence during moving
or operating.
2.Avoid necessary transmission.
3.Transmit only when necessary or emergency.
c. Tactical Applications.
- Any combination of characters or pronounceable
words which identify communication facilities or unit.
- Call Sign
- A call sign which identifies as single
communication facility or unit.
- Individual Call Sign
- A call sign which identifies all station in a
particular net.
- Net Call Sign
- Method of establishing communication with the station
desire to contact the call sign of the station he wants to communicate as
well as his own identity
- Call
- Method of establishing communication whereby
the calling station transmits the individual call sign of called station.
- Single Call
- Method of establishing communication whereby
the calling station transmit a series of call sign.
- Multiple Call
- A radio net consist of several station working
together on the same frequency, same modulation and same emission.
- Radio Net
- Are pronounceable words
assigned specific
meaning used to facilitate traffic handling and radio telephone
circuit.
- Proword
- To identify individual hours of the alphabet in a message.
- To spell out difficult or foreign words within a plain text
message. - To transmit each character in encrypted groups, this will be
done even if occasional groups in the encrypted text are
pronounceable. - Personal initials will be spoken phonetically preceded by the
proword “INITIAL” J P Oropesa will be spoken as INITIALS JULIET
PAPA Oropesa. - To distinguish numerals from words, similarly by pronouncing
th
d “FIGURE”
B. Phonetic Usage
- Numerals transmitted by digit except exact multiply of thousands which
may be spoken as such.
9
- NIN ER
25
- TOO FIYIV
300 - THUREE ZERO ZERO or TREE HUNDRED
1245 - WUN TO FOWER FIYIV
7000 - SEVEN TOUSAND - The decimal point will be spoken as DAY SEE MAL - 123.4 will be spoken
as WUN TOO TREE DAY SEE MAL FOWER. - Dates will be spoken by digit with the month in full - 25 AUGUST 2013
will be spoken as TOO FIYIV AUGUST TOO ZERO WUN THUREE.
B. Phonetic Usage
This is the end of my transmission to you and no reply is required
OUT
Word to which I refer precedence
WORD BEFORE
Word to which I refer follow
WORD AFTER
I must pause longer than a few seconds
WAIT OUT
I have receive your message, understood it, and will comply
WILCO
I must pause for a few seconds
WAIT
Repeat all your last transmission
SAY AGAIN
I have receive your last transmission satisfactorily
ROGER
Repeat this entire transmission back to me exactly as received
READ BACK
Transmitted not to be used together with the proword out
GO AHEAD
This is the end of my transmission to you and response is necessary
OVER
Transmitting station has additional traffic for the receiving station
MORE TO FOLLOW
I shall spell the next word phonetically
I SPELL
I am repeating transmission or portion indicated
I SAY AGAIN
The following is my response to your instruction to read back
I READ BACK
You are correct or what you have transmitted is correct
CORRECT
Indicated to separation of the text from other portion with the message
BREAK
The portion of message to which one refer as all that which follows
ALL AFTER
- Check the set for completeness
- Inspect the condition of the knobs, dials, switches, and controls
- Check the condition of plugs, receptacles, and connectors
- Check the connection diagrams
- Make sure of dial, switch, and control settings
- Follow the starting procedure
STEPS IN OPERATING RADIO SETS
- Apply power
- Allow the set to warm up
- Tune to the desired frequency (channel)
- Check the set for normal operation
- Use the proper procedure to turn off the set
STEPS IN OPERATING RADIO SETS
HARRIS
RF 5800V-HH
HARRIS
RF 5800V-MP
URC 187
URC 601F VHF HF
URC 773
AN/PRC 77
PRC 126
Tactical Radio Sets
radio communication use for short or long range communication not specific can be given as this will vary according to the terrain, atmospheric conditions and frequency of operation.
a. URC 187 HF
handheld radio set designed for short range communication.
b. URC 601F-VHF HF
-Short man- pack portable FM receiver transmitted used to provide two way voice communication.
c. URC 773
- Fully transistorized short range portableFM receiver transmitter use to provide two way voicecommunications.
d. AN/PRC 77
- Squad Radio operated with one hand for short range communication.
e. PRC 126
