Table of contents
Radio in use: AN/PRC-77
Company HQ = 55.00Mhz
1st Squad internal = 53.00Mhz
2nd Squad internal = 54.00Mhz
Possible changes will be announced prior to trainings or operations.
Company HQ = 65.00Mhz
1st Squad internal = 63.00Mhz
2nd Suad internal = 64.00Mhz
Company HQ = Popeye
HQ Air control = Steel Rain
1st Squad Alpha SL = Alpha actual
1st Squad Alpha = Alpha
2nd Squad Bravo SL = Bravo actual
2nd Squad Bravo = Bravo
Before trainings or operations communication channels must be established and confirmed.
Callsign this is Callsign Radio Check, over.
Callsign this is Callsign reading you Loud and Clear, out.
Bravo this is Alpha Radio check, over.
Alpha this is Bravo. Reading you loud and clear, out.
The Radio Check will near enough be the only communication where the receiving party may end on out.
In general, the person initiating the contact is the one to call it out.
Different types of support might be available during operations. Here’s how to call in a Fire Mission.
Callsign this is Callsign requesting Fire Mission.
Callsign this is Callsign send it.
Callsign this is Callsign requesting Number of Rounds of Type of Shell, Type of Spread at Grid Ref. Our grid ref is Grid Ref.
Roger Callsign. Number of Rounds of Type of Shell at Grid Ref Type Of Spread
Steel Rain this is Bravo Requesting fire mission.
Bravo this is Steel Rain send it.
Steel Rain this is Bravo requesting 4 Rounds of HE at 0000,0000 Our Grid Ref is 0000,0000 Fire for Effect.
Roger Bravo, 4 Rounds of HE at 0000,0000 Fire for Effect.
Sooner or later soldiers run out of ammunition, missiles for their AT or medical supplies. The means of resupplying the troops will be clarified during the briefing before operations.
HQ Callsign this is callsign requesting Supply Drop of Type of supplies needed at Grid Ref
Callsign this is HQ Callsign. Roger that, supplies inbound at Grid Ref. ETA X mikes.
Popeye this is Alpha Requesting Supply Drop of Ammo at 0000,0000
Alpha This is Popeye. Roger that, supplies inbound at 0000,0000. ETA 7 mikes.
During operations HQ might request a sitrep from troops out in the field. Or one platoon might ask for one of the other because of a concerted operation.
SITREPs are not intended to be in-depth but a momentary report of the situation to let SLs keep the big picture.
Alpha this is Bravo, requesting sitrep, over.
Bravo this is Alpha. Sitrep as follows. We have reached the overview, fortifications going up. Will be set in 2 mikes, over.
ACE reports might be called in after an engagement to assess the unit’s status. It stands for:
A = Ammo
If your team is low on ammo, give details on it. This can be in general (“low on ammo”) or more specific (“AR low on ammo” or “out of AT rounds”)
C = Casualties
Reply with the status of your squad, how many are up, injured, kia or missing.
E = Equipment
If the team has lost important equipment, state it here. E.g., your vehicle has been destroyed; your squad no longer has access to MG etc.
Bravo this is Alpha, requesting ACE report, over.
Alpha this is Bravo. Wait out, over.
— information being gathered —
Alpha this is Bravo. ACE report as follows. Ammo, still green. Casualties, we have 5 up, 1 wounded, 1 person still missing. Equipment, no AT available as he’s the person missing; we’re orange on medical supplies, over.
To keep voice transmission as short and clear as possible, RTO’s use procedure words to take the place of long sentences. The table below contains some of the abbreviations you can use.
|Let me know that you have received and understood the message.
|I refer to the portion of the message that follows, ..
|I refer to the portion of the message that precedes
|Permission for proposed action granted.
|A demand for a code word to make sure that the transmission is not by an enemy imposter
|This is the reply at a challenge to Authenticate.
|Announces the end or part of the message
|Signals to all listeners on the frequency, the message to follow is priority.
|Annul the previously transmitted clearance.
|Authorized to proceed under conditions specified.
|I request verification of: (clearance, instruction, action information)
|Establish communications with..
|Confirms that a repetition matches the message sent out
|Announces that a previous message is to be sent out with the corrections added
|Ignore (e.g., disregard last message)
|DO NOT ANSWER
|Stations are called not to answer this call. This word is always ends with OUT
|Heading out to destination.
|Carry out the purpose of the message
|The addressee destinations immediately following are exempted from the collective call
|Numerals or numbers to follow
|Announces the beginning of an emergency message
|Announces the source of the message
|Conditions are safe
|The message contains the number of groups indicated by the numerical following
|“Haul Ass!” Go somewhere quickly
|“High Explosives” This warns of immediate incoming explosive rounds or a request for the same
|HOW DO YOU READ
|What is the readability of my transmission?
|I READ BACK
|The following is my response to your instructions to Read Back.
|I SAY AGAIN
|I repeat for clarity or emphasis.
|Announces that the next message will be spelled out letter by letter
|That which follows has been verified at your request and is repeated.
|Announces the beginning of a priority message
|A message which requires recording is about to follow
|MORE TO FOLLOW
|There is more of the message to follow.
|“No” or “Permission not granted”, or “that is not correct” or “Not capable”.
|Station serial number
|The exchange of transmissions is ended, and no response is expected.
|My transmission is ended, and I expect a response from you.
|Announcing a priority message.
|Checking to see if there is still a connection
|Repeat all, or the specified part, of this message back to me exactly as received.
|Situation is dangerous
|Pass me the following information.
|I should like to know…
|I have received all your last information.
|Announces a non-priority message
|Repeat all, or the following part, of your last transmission.
|Send your transmission
|Tells all RTO’s to stop transmitting. Often if eavesdropping is suspected or radio transmissions are giving away positions
|Tells RTO’s that transmission can start again
|Your message is too fast to understand, speak slower.
|Wait and I will call you.
|THAT IS CORRECT
|You are correct or what you have transmitted is correct
|This transmission is from [CALLSIGN)
|That which immediately follows is the time or date-time group of the message
|I cannot comply with your request, instruction, or clearance.
|The identity of the station of which I am communicating with is unknown
|Verify the message or portion of message that is indicated
|Announces a pause for a few seconds
|I must pause for longer than a few seconds
|I have received your signal, understand it and will comply. Similar to ROGER
|(As a request) Communication is difficult. Please send every word, or group of words, twice.