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Radio procedures

Procedure words are standard, easily pronounced words which have been assigned special meanings to speed up messages handling on radio networks. They should be used whenever appropriate. The following procedure words are acceptable for general use:. Acknowledge : Use this when the person you are addressing must acknowledge receipt of the message. Break Break : You have an urgent message and need to interrupt the current conversation.

Correction : Indicates that an error has been made and that the transmission will repeat from the last word correctly used. I say again : I will re-transmit the message, or part of the message. I spell : The word will be spelled using the phonetic alphabet.

Out : End of transmission — no reply is expected. Over however, means it is the end of transmission and a reply is expected.

radio procedures

Radio check : what is my signal strength and readability? Relay to : Transmit this message to the addressee indicated. And lastly, Wilco : I will comply with your message. There are also 3 procedural phrases that cern results specifically for emergencies. Pan Pan : This is an urgent call requesting help and is also repeated 3 times.

May Day : This is an emergency distress call that overrides all other communications and general etiquette is to keep the channel clear until the event is cleared. The use of correct operating procedures, whilst it may appear irksome and over-efficient to some, does save considerable time if every operator is aware of what to expect. Should an operator have an urgent message to clear, he should break in on the channel and say so — but this action should always be used with discretion, clearly bearing in mind the degree of urgency of the message.

This site uses both functional cookies and tracking cookies to help us understand how users interact with the site. You can choose to disable non-functional cookies if you wish, however we will need to set a functional cookie to respect your choice.C That which follows is a corrected version in answer to your request for verification.

Disregard it. This PROWORD shall not be used to cancel any message that has been completely transmitted and for which receipt or acknowledgement has been received. To be used only with the executive mode. To be used only with the delayed executive method. To be sued only with the Immediate Executive Method. Transmitted immediately after the call. It is intended for use when messages are passed on tactical or reporting nets. It is intended for use when tactical signals are passed on non-technical nets.

Silence will be maintained until lifted. When an authentication system is in force, the transmission imposing silence is to be authenticated. When an authentication system is in force, the transmission lifting silence is to be authenticated. Reduce speed of transmission. TO The addressees immediately following are addressed for action. To be used only at the discretion of or by the addresses to which the questioned message was directed. To be used only by the addressee.

Transmit transmitting each phrase or each code group twice. WRONG your last transmission was incorrect. Sponsored Advertisement:. This website is not affiliated with the U. All proceeds from the operation of this site are donated to veteran and other charities. Transmission will continue with the last word correctly transmitted. Sponsored advertisement:. Best Military Credit Cards. From Our Benefits Blog. Can You Answer Them?

Army Study Guide Tweets. Colleges Near Army Bases.We all know that communication skills are amongst the most important skills that a security officer can possess. Often, we need to relay messages and information further than would otherwise be possible via verbal means.

In order to achieve this, a security officer has a number of tools at their disposal, such as the mobile phone, short message service, Morse code not so common these daysand of course, radio communications. In this article, we are going to look at some of the more basic, but all too often forgotten radio communication procedures required for quick, concise and accurate transmission of information via radio.

It is important to remember that strict radio communication procedures and disciplines need to be adhered to at all times when using a radio, whether it be a hand held, vehicle based or a base station set up. This is important for a number of reasons. First and foremost, we observe strict radio procedures to preserve the security of the information being transmitted. Regardless of how secure the equipment you are using may be, always operate on the basis that someone could be listening in on your transmissions.

Therefore, names of operatives and locations involved in a particular operation should be disguised via the use of code words or call signs. When used in radio communications, call signs can perform a number of functions. Their primary function is often to protect the identity of the parties involved in the radio transmission. However, they also serve to simplify matters when communicating between large groups of people.

For example, can you imagine trying to communicate with someone on a first name basis when there are three people in the group all called David? This way each person knows who is being called and there is no risk of him or her being identified. Alternatively, if you had three members of your team assigned to the stage area at a rock concert, you could assign them the call signs: Stage one, two and three. Once again, the identity of the caller is preserved and everyone knows exactly who he or she is communicating with.

Code words and call signs are used for much the same reasons — to prevent the true nature of the subject being discussed from being overheard by uninvited listeners.

Radiotelephony procedure

The call also informs him that the staff member at that location will be leaving the area unattended for a period of time. He is therefor requested to get someone there to keep an eye on the money. If anyone were listening in on the conversation, it would be a simple matter of getting there first or worse, taking the officer out of the picture and helping themselves to the contents of the cash office.

To avoid this situation, code words can be assigned to specific types of incidents or locations. Similarly, specific incidents can be assigned specific code words. Some people like to use words that employ the same first letter as the area they are referring to and other people like to use words that reflect the nature or function of a particular area or incident. Use any code word you like as long as the team know it and can remember it.

By employing code words, you make it difficult for anyone with criminal intentions to interfere with your operations.

Take our example of the cash office from earlier in the article. Someone wishing to take advantage of the opportunity knows after hearing the call, who is attending, where the cash is and the nature of the problem. However, by employing the system of code words and call sign as discussed the call might sound something like this:. This has been acknowledged and one of the cash escort security officers is on the way. When transmitting messages, these words used in conjunction with correct procedures make a message far more concise and easier to understand.

The correct procedure for transmitting a message is as follows:. When putting all of the previous examples in practice, you should have a short exchange that is easily understood, accurate and concise. You can see how much more efficient and secure this example is. Cutting out the call signs once communications in this relay are established, can shorten this example even further.

There are a number of common problems that can occur with officers who have either little or no time on a radio net.Louis FSS can transmit on frequency Assume that a controller issues an approach clearance to an aircraft at the bottom of a holding stack and an aircraft with a similar call sign at the top of the stack acknowledges the clearance with the last two or three numbers of the aircraft's call sign.

If the aircraft at the bottom of the stack did not hear the clearance and intervene, flight safety would be affected, and there would be no reason for either the controller or pilot to suspect that anything is wrong. Speed Mach number 1. Mach one point five Mach number 0. Mach point six four Mach number 0. Mach point seven.

In order to expedite communications, state the frequency being used and the aircraft location during initial callup. Section 2. The link can be a strong bond between pilot and controller or it can be broken with surprising speed and disastrous results. Discussion herein provides basic procedures for new pilots and also highlights safe operating concepts for all pilots. It is essential, therefore, that pilots acknowledge each radio communication with ATC by using the appropriate aircraft call sign.

Brevity is important, and contacts should be kept as brief as possible, but controllers must know what you want to do before they can properly carry out their control duties. And you, the pilot, must know exactly what the controller wants you to do. Since concise phraseology may not always be adequate, use whatever words are necessary to get your message across.

Good phraseology enhances safety and is the mark of a professional pilot. We recommend that it be studied and reviewed from time to time to sharpen your communication skills. Many times you can get the information you want through ATIS or by monitoring the frequency. Except for a few situations where some frequency overlap occurs, if you hear someone else talking, the keying of your transmitter will be futile and you will probably jam their receivers causing them to repeat their call.

If you have just changed frequencies, pause, listen, and make sure the frequency is clear. Know what you want to say and if it is lengthy; e. The microphone should be very close to your lips and after pressing the mike button, a slight pause may be necessary to be sure the first word is transmitted.

Speak in a normal, conversational tone. When you release the button, wait a few seconds before calling again. The controller or FSS specialist may be jotting down your number, looking for your flight plan, transmitting on a different frequency, or selecting the transmitter for your frequency. Frequency blockage can, and has, occurred for extended periods of time due to unintentional transmitter operation.

If the assigned frequency is completely blocked by this type of interference, use the procedures described for en route IFR radio frequency outage to establish or reestablish communications with ATC. Be sure that you are within the performance range of your radio equipment and the ground station equipment. Remote radio sites do not always transmit and receive on all of a facility's available frequencies, particularly with regard to VOR sites where you can hear but not reach a ground station's receiver.

Contact Procedures Initial Contact.

radio procedures

Midwest Commuter Seven Eleven. Victor Twelve JRadiocommunication Information Circulars are issued for the guidance of those engaged in radiocommunications in Canada.

The information contained in these circulars is subject to change without notice. While every reasonable effort has been made to ensure accuracy, no warranty is expressed or implied. As well, these circulars have no status in law. Ottawa, Ontario K1A 0H5. Email : ic. This document contains information useful to all radio operators. It outlines general operating procedures; including the proper manner in which a radio message is to be structured and sent, as well as the international phonetic alphabet used to avoid confusion and provide clarity when spelling words.

General information on distress calling procedures can also be found in this document.

III.S – Radio Procedures

This certificate is no longer being issued. The general information provided here, is still relevant to all radio operators, and thus is being offered for that purpose. Radio operators and all persons who become acquainted with radiocommunications are required to preserve the privacy of those communications.

As outlined in section 9. In communications between base stations and mobile radio stations, the base station has control of communications, and the mobile station shall comply with all instructions in matters relating to the order and time of transmission, the choice of frequency and to the duration and suspension of work.

This does not apply in the cases of distress or urgency communications, where control lies with the station initiating the priority call.

Radiocommunications between stations should be restricted to those necessary to conduct the business operations of the radio station licence holder. In accordance with section As noted in section The Act clearly states that all radio stations shall be operated so as not to interfere with or obstruct any radiocommunication.

The penalties for doing so are the same as those noted above. The only situation under which you may interrupt or interfere with the normal working of another station is when you are required to transmit a higher priority message, for example, distress, urgency or other priority calls or messages.Radiotelephony procedure also on-air protocol and voice procedure includes various techniques used to clarify, simplify and standardize spoken communications over two-way radiosin use by the armed forces, in civil aviationpolice and fire dispatching systems, citizens' band radio CBand amateur radio.

Voice procedure communications are intended to maximize clarity of spoken communication and reduce errors in the verbal message by use of an accepted nomenclature. It consists of a signalling protocol such as the use of abbreviated codes like the CB radio ten-codeQ codes in amateur radio and aviation, police codes, etc. Some elements of voice procedure are understood across many applications, but significant variations exist. The armed forces of the NATO countries have similar procedures in order to make cooperation easier and pseudo-military organisations often base their procedures on them, so some commonality exists there.

The impacts of having radio operators who are not well-trained in standard procedures can cause significant operational problems and delays, as exemplified by one case of amateur radio operators during Hurricane Katrinain which:. In one case it took almost 15 minutes to pass one 25 word message. Radiotelephony procedures encompass international regulations, official procedures, technical standards, and commonly understood conventions intended to ensure efficient, reliable, and inter-operable communications via all modes of radio communications.

These procedures have been developed, tested under the most difficult of conditions, then revised to implement the lessons learned, many times since the early s.

Voice procedure is designed to provide the fastest and most accurate method of speech transmission. All messages should be pre-planned, brief and straightforward. Ideally, messages should be written down: even brief notes reduce the risk of error. Messages should be constructed clearly and logically in order not to confuse the recipient.

Radio operators must talk differently because two-way radios reduce the quality of human speech in such a way that it becomes harder to understand. A large part of the radio-specific procedures is the specialized language that has been refined over more than years.

There are several main methods of communication over radio, and they should be used in this order of preference:. All radio communications on the planet operate under regulations created by the ITU-Rwhich prescribes most of the basic voice radio procedures, and these are further codified by each individual country. In the U. Radio call signs are a globally unique identifier assigned to all stations that are required to obtain a license in order to emit RF energy.

The identifiers consist of from 3 to 9 letters and digits, and while the basic format of the call signs are specified by the ITU-R Radio Regulations, Article 19, Identification of stations, [5] though the details are left up to each country's radio licencing organizations. Each country is assigned a range of prefixes, and the radiotelecommunications agencies within each country then responsible for allocating call signs, within the format defined by the RR, as they see fit.

radio procedures

The Radio Regulations require most radio stations to regularly identify themselves by means of their official station call sign or other unique identifier. Because official radio call signs have no inherent meaning outside of the above-described patterns, and other than individually licensed Amateur radio stations, do not serve to identify the person using the radio, they are not usually desirable as the primary means of identifying which person, department, or function is transmitting or is being contacted.

For this reason, functional designators a. Such designators are not sufficient to meet the FCC requirements that stations regularly identify the license they are operating under, typically every x number of minutes and at the end of each transmission, where x ranges from 10 to 30 minutes longer for broadcast stations.

For the some radio services, the FCC authorizes alternate station IDs, [6] typically in situations where the alternate station ID serves the purposes of identifying the transmitting station better than the standard ITU format. These include:. Allocating call signs within these groups is the responsibility of the National Telecommunications and Information Administration most all government stations or the Federal Communications Commission all other stationsand they subdivide the radio call signs into the following groups:.

Ham station call signs begin with A, K, N or W, and have a single digit from 0 to 9 that separates the 1 or 2 letter prefix from the 2 or 3 letter suffix special event stations have only three characters: the prefix, the digit, and a one-letter suffix. Maritime call signs have a much more complex structure, and are sometimes replaced with the name of the vessel or a Maritime Mobile Service Identity MMSI number.

Microphones are imperfect reproducers of the human voice, and will distort the human voice in ways that make it unintelligible unless a set of techniques are used to avoid the problems.On the HF Dxing page you will see that we advocate listening — and when you have finished listening, listen some more!

When you are new to amateur radio there is a lot to learn and the more you listen, the more you will find out the correct way to proceed on the bands. Perhaps one of the most important lessons to learn is listen first before talking. There is nothing more infuriating than being in a QSO with someone and having the conversation utterly ruined by someone calling CQ on top of you.

Considerate He never knowingly operates in such a way as to lessen the pleasure of others. Loyal He offers loyalty, encouragement and support to other amateurs, local clubs, the IARU Radio Society in his country, through which Amateur Radio in his country is represented nationally and internationally. Progressive He keeps his station up to date. It is well-built and efficient.

His operating practice is above reproach. Friendly He operates slowly and patiently when requested; offers friendly advice and counsel to the beginner; kind assistance, cooperation and consideration for the interests of others.

These are the marks of the amateur spirit. Balanced Radio is a hobby, never interfering with duties owed to family, job, school or community. Patriotic His station and skills are always ready for service to country and community.

The rest of the document is too long to reproduce here, but it is worth highlighting a few of the other guidelines:.

Session 5 Sample - Airspace

Another way of being a gentleman is to try to contact other stations using their own language? You only need about words and callsign phonetics in other languages.

Many foreign stations are reluctant to take calls in English because they speak it so poorly. Others will keep the QSO very short as they cannot understand what you are saying.

Being able to give the other station their report, your name and QTH, and perhaps a greeting in their own language, can make a big difference. Whatever you do, just remember that on the airwaves you are an ambassador for the hobby — and for your country. Please act accordingly.


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