Increase power. QSK: Can you hear me between your signals and, if so, may I break in on your transmission? Q code. Your transmission tone is ___ (1-Good, 2-Variable, or 3-Bad). Q-Codes (also called Q-Signals) are three letter combinations that begin with the letter Q that CW operators use in place of common phrases. QRL Are you busy ? QSS: What working frequency will you use? Sometimes spelled as "qcode". "Q" codes are a standardized set of three-letter messages, also known as a brevity code. Your exact frequency is ___ kilohertz (kHz). Decrease power. The correct time is ___. To distinguish the use of “Q” codes transmitted as questions from those transmitted as statements, operators […] Are my signals weak? The tone of your transmission is ___ (1-Good, Other ‘Q’ code ranges are allocated specifically to aviation or maritime services; many of those codes have fallen into disuse as voice displaces CW in commercial operation. What’s your station name? QRI How is the tone of my transmission? I was surprised then, when a link on Twitter led me to Allied Communications Publication 131(F), published in 2009. All ham radio users should learn these codes to effectively communicate with other hams. Het werd oorspronkelijk gebruikt bij telegrafiemorse verbindingen om steeds terugkomende vragen en antwoorden op snelle wijze over te kunnen seinen. These codes were found on the inside cover of a 1965 ARRL Amateur … Q code: The Ham radio Q code is a subset of a very much larger set of codes that is used by a variety of radio services from maritime, to aeronautical and much more. The Q code is a standardized collection of three-letter message encodings, also known as a brevity code, all of which start with the letter "Q", initially developed for commercial radiotelegraph communication, and later adopted by other radio services, especially amateur radio. Here is our Ham Radio Cheat Sheet. The "Q" codes are typically used when there is a need/desire to express a particular idea and do so as quickly and simply as possible. I have ___ messages to send to you. The Q-code is an international set of abbreviations that was created at the beginning of the last century to simplify radiotelegraph communication. The tone of your transmission is ... 1. Amateur radio operators use a subset of the full international Q-code and they use it extensively still today. QRK What is my readability ? Originally intended for use only by radiotelegraph operators, Q-codes have become a permanent part of the hobby’s jargon, and many hams use them on phone as well as in face-to-face conversations.. For example, QTH stands for “My location is _____.” The meanings of the Aeronautical Code signals were assigned by ICAO. Nice web page to understand the Q codes used by Amateur Radio Operatorshttp://www.radioqth.net/qcodes Q-Codes (also called Q-Signals) are three letter combinations that begin with the letter Q that CW operators use in place of common phrases. ( I am busy, do not cut in. ) Each code has a unique meaning that hams can use to ask a question or provide a standard response. QTA: Shall I cancel message number ___? Each signal can be a question or an answer, as shown in the Meaning column. 1909, by the The Q Code consists of three-letter groups with each group having a specific meaning. Adoption of these codes was especially important because many ship captains and crew members came from countries that don’t speak English. How to Make Your First Call on a Ham Radio – Try It Now. I don’t have anything for you. QSG: Shall I send ___ messages at a time? Your exact frequency is ___ kHz. I can hear you between my signals, break in on my transmission. QSR: Do you want me to repeat my call? Some report that the term “CQ” was used as early as 1904 during radio operation between ships. Variable. I heard you on ___ kHz. Are you bothered by noise? Similar to the acronyms used in text messaging, Q codes can help you shorten longer messages. QSY: Shall I change to another frequency? Ham radio “Q” codes are short codes used to communicate with other ham radio operators — also known as hams. Other meanings that may be used in other services do not apply. have started to appear in voice communications, and their use is somewhat less formal than when it is used for Morse communications. "Q" codes take the form of a question only when sent followed by a question mark. The first set “migrated” from the civilian ITU series from QRA to QUZ. QRA What is your station ? If you’re replying to this Q code or you’re just simply too busy to talk, you might respond by saying QRL. QSX: Will you listen to … call sign(s) on … kHz or MHz? "Q" Code Definitions. I can communicate with ___ direct (or by relay through ___). QSZ: Shall I send each word or group more than once? You’re being called by ___. Therefore, these two sets are used only in amateur communication. HAM Radio Q codes – Everything you need to know about ham codes. Here are the Q signals most commonly used in day-to-day operation. Amateur radio operators mainly use "Q" codes as abbreviations (see other page on ham radio codes). International Q Code is an abbreviated way to exchange a great deal of information with a simple code. The Q Code comprises : A. QSD: Is my keying defective? Each signal can be a question or an answer, as shown in the Meaning column. The Q code is a standardized collection of three-letter codes all of which start with the letter “Q”. Military Alphabet - For Precise Military Communication. 1. It is an operating signal initially developed for commercial radio-telegraph communication and later adopted by other radio services, especially amateur radio. Here is a complete list of all Q codes used in two way radio communications. Send ___ messages at a time. A�2���aF����� e`�s���i�$d�sBI�������g�#K��|�y�@@S !�7�G�1�ܐ*K>���R}��h�t����T#�Z]S*A'��� ����(r�� �@�C �$'�*2��0����R\dj(� �^L�"uz���>�⌟��+��� y ����CC#��. Best Dual Band Mobile Ham Radio Reviews 2021 and Buyer’s Guide. The first thing you will need will be the Q-codes. Often Q codes will be heard used in normal speech by radio amateurs. @�(��ۂ � i� �����@�d�#���VIg0c f�8π�� (!�0�@�C� QRB How far away are you ? • QAA to QNZ – Assigned by the International Civil Aviation Organization (ICAO). %PDF-1.2 QRA is the Q code for asking: What’s your station name? �!���gF�! >> Learn more by checking out our other Military Alphabet guides:Military AlphabetMilitary TimeMilitary SlangMilitary RadioCommunicationZulu Time. Good. A complete list of ham radio Q … QRI How is the tone of my transmission? Q codes are effectively the same as 10 codes but are less “police terms” and are more specifically geared towards radio operation. QSL: Can you acknowledge receipt? This was initially used in Amateur Radio during Morse Code transmissions, so standard short codes could simplify the transfer of information. Send faster (___ WPM). Q-Codes Show Notes . QRL: Are you busy? 2. "QRM" in particular refers to human-generated interference (as opposed to "QRN" which is used to refer to atmospheric noise). For instance, “QRZ [your name]” means “You’re being called by [your name].”, QRV is the Q code to ask, “Are you ready?” It also can mean, “I’m ready.”, Radio RST CodeRadio Communication ProtocolMilitary Radio CommunicationBest HAM radio Setup, Military AlphabetMilitary TimeZulu TimeMilitary SlangHow to know your coordinates, Copyright © 2021 Military Alphabet – For Precise Military Communication, Military Radio Communication Tips and Tactics. QRG: Will you tell me my exact frequency? Q code: The Ham radio Q code is a subset of a very much larger set of codes that is used by a variety of radio services from maritime, to aeronautical and much more. Send a series of Vs on this frequency. CB & Ham Radio SSB Q-Codes Below are the commonly used SSB (single sideband) Q-codes for both CB and Ham Radio. What is the intelligibility of my signals? HISTORY . To avoid that perception, keep reading to learn more about these useful codes. Repeat the last message. We love hams here at Zip Scanners, so much so that we created an amateur radio cheatsheet of common ham codes, lingo, and more! QST: Here’s a broadcast message to all amateurs. Notice how much easier this is than saying, “My station name is [station name].”. How far approximately are you from my station? QRA – What is the name of your station. QRG: What’s my exact frequency? Phonetic Alphabet, Q-Codes, RST & RSQ - SV1GRB Amateur Radio website ACP 131(F) is a publication of the Combined Communications-Electronics Board (CCEB), which is comprised of five member nations: Australia, […] As you'll see, the terminology is a bit different in … This skill contains dynamic content, which is content that is updated real-time based on inputs from the developer. QRA: What is the name of your station? If you are already in Ham radio and you have something to add to the paper, I welcome friendly, constructive comments. The Q code is a standardized collection of three-letter message encodings, also known as a brevity code, all of which start with the letter "Q", initially developed for commercial radiotelegraph communication, and later adopted by other radio services, especially amateur radio. Early radiotelegraph services also adopted Q codes for much the same reason — to make communication easier between those who spoke different languages as well as in general. The table below lists the most common Q-signals used by hams. QRB: How far are you from my station? Additionally some of the Q codes have taken on special significance. QRJ: Are you receiving me badly? Use this app to review HAM Radio Q-Codes and their meanings.. HAM radio Q code The Q-code is a standardized collection of three-letter codes all of which start with the letter „ Q „. B. Change to another frequency. HAM Radios. Il est partiellement basé sur le code Q (parfois également appelé code "Ham", (Radio-Amateur)). Graphic for hams includes HF, VHF, UHF bands, Q codes, phonetic alphabet (military & civilian), morse code (American & International). Your frequency is ... khz. superguthealthcleanse.com. My location is ___. Ham radio and Q Code. I am an FCC licensed Extra Class Amateur Radio Operator and an accredited VE. Tags: ham radio, amateur radio, radio operator, morse code, q code, antenna, ham operator, ham radio usa, radiology, radio hobby, signal, qss QRN: Are you experiencing static? WHY USE Q CODES IN HAM RADIO? Similar to the acronyms used in text messaging, Q codes can help you shorten longer messages. General Codes, second letter of which is R, S, T or U. Ham radio Q codes are standardized codes hams use to communicate with each other. I’m going to send on this frequency. Your frequency varies. ( 1 to 5 ) 1 = unreadable. Using Q codes takes a little practice, but, before long, you’ll spout them off naturally like any other experienced ham radio operator. I’m acknowledging receipt. Posted on July 12, 2017 | by admin. QRH Does my frequency vary? When we communicate in Morse code (CW), we make heavy use of abbreviations. As you'll see, the terminology is a bit different in this mode versus standard AM transmissions. "QRM" is one of many Q-codes used as abbreviations in radio communication. They make it easier to send common messages. To distinguish the use of “Q” codes transmitted as questions from those transmitted as statements, operators […] Read our guide to learn more about HAM radio and HAM Radio Communication. Voici une liste non-exhaustive et désordonnée de ce jargon et du Code Q. Jargon, Code Q Most Q-codes … QRI: How’s my transmission tone? Send each word or group twice (or ___ times). Ham radio uses different codes on different modes. QRA: What’s your station name? Say it with words. Your transmission is being interfered with ___ (1-Nil, 2-Slightly, 3-Moderately, 4-Severely, or 5- Extremely). Are you busy? Amateur Radio “Q” Codes Signal Question Answer, Advice or Order QRG Will you indicate my exact frequency in kilohertz? Q-Codes and Callling CQ - Ham Radio Q&A - YouTube. The . QRQ: Shall I send faster? Ham radio “Q” codes are short codes used to communicate with other ham radio operators — also known as hams. The speed of sending Morse code, like the speed of a typist, depends on the skill of the operator. Hams use three-letter Q signals on every mode and even in face-to-face conversation. I’m experiencing static ___ (use the same 1 to 5 scale as for QRM). Listed below are ten Q-codes the average ham is most likely to hear (in the author’s opinion), along with their meaning and common usage: 3. Each code is composed by three letters always starting with Q. I’ll use the working frequency … kHz or megahertz (MHz). Your signal strength is ___ (1-Scarcely Perceptible, 2-Weak, 3-Fairly Good, 4-Good, or 5-Very Good). While Q-signals were … I am going to the Hamfest! The clarity of your signal is ___ (1-Bad, 2-Poor, 3-Fair, 4-Good, or 5-Excellent). Learning these codes will clue you in on the conversation and help you master Q code communication. QRD: Where are you bound and where are you coming from? QSN: Did you hear me on ___ kHz? YAESU FT-101E. W6ADF: ALL ABOUT Q CODES IN HAM RADIO? The Q-code was originally instituted at the Radiotelegraph Convention held in London, 1912 and was intended for marine radiotelegraph use. Your frequency varies. Q codes are radio shorthand for commonly asked questions and responses. Some history on Q-codes can be found here and here and here. De Q-codes zijn vastgesteld door de internationale organisatie ITU-R en vormen een korte en duidelijke aanduiding voor vragen en antwoorden. 3. Ham Radio Lingo. is a standardized collection of three-letter codes all of which start with the letter "Q". The name of my station is ___. Connecting to the M2 LEO Antenna; Getting on the Air. Below are a number of "Q" code definitions. Old timers club (ARRL-sponsored organization for radio amateurs first licensed 20 or more years ago) OOTC Old old timers club (organization for those whose first two-way radio contact occurred 40 or more years ago; separate from OTC and ARRL) Similar to the short codes people use in text messages on cell phones, Q codes also make communication easier — in this case, for ham radio operators. Feel free to share this graphic on your site, all we ask is that you link back to offgridsurvival.com … W6ADF My name is Todd Banks, my Amateur (Ham) Radio call sign is W6ADF my radio station is in San Diego, California USA. QSB: Are my signals fading? Similar to the acronyms used in text messaging, Q codes can help you shorten longer messages. QRG What channel am I on ? EE123/198 Radio Hints; Resources. Although Q codes were created when radio used Morse code exclusively, they continued to be employed after the introduction of voice transmissions. The QN signals (q-codes) are special ARRL signals for use in amateur cw nets only. your own Pins on Pinterest Follow these steps when learning Q codes: Hams commonly use a variety of Q codes in almost every ham radio interaction. They operate on the fringes, well outside the accepted mainstream bands, chatting about whoever and whatever they want, wherever they want, on their own time, by their rules. Amateur Radio “Q” Codes Signal Question Answer, Advice or Order QRG Will you indicate my exact frequency in kilohertz? Your frequency varies. The original Q codes were created, circa. QRS: Shall I send more slowly? �j1���0e�FQ�1���4j5a�X��\5��㰨`�o!bᔖY2�B�ҁ��w=�O ������!p�s@��$��D��+�L)s1��p.Nk��](ca��+5���r1�.��Ă�'Qb�� �5r�I�,�AT�X��Q͢�]��%���gg�S�ȸ�3��2�ۨ�r23u�F��C���;9��m���+B�r�r`Љ�6�h�r-=�n6��v�=6�1���=�V��s���g��M G#|�K�лA�2��:�+��"m"0��ns����z�0�����P�*��'�O���Iz,ݬP{��1�`l�-�B��%��J���LP��Qc8�11��A���F�r����'2+�$E����ѓt�C�D^2۩-!��h(Q���6ᬹ���Q�s��E3��̪�6�4T�"�f�)�FQ�˥=�(���? stream QRU: Do you have anything for me? International Q Code is an abbreviated way to exchange a great deal of information with a simple code. Are you bothered by noise of natural origin All ham radio users should learn these codes to effectively communicate with other hams. What is my exact frequency? Ham Radio Crib Notes Amateur radio operators (AKA "Hams") are sort of like the outlaws of the radio communications realm. 5 = perfect. Sending the code  QRL is the same as asking if someone is busy. "QSB" refers to fading (variation in signal strength over time). Are you bothered by noise of natural origin Amateur Radio Q Codes. Is my frequency varying? QRB – How far, approximately, are you from my station. Q-Code QRA QRB QRG QRK QRL QRM QRN QRO QRP QRQ QRS QRT QRV QRX QRZ QSA QSB QSK QSL QSO Used as a Question What is the name of your station? QRD – Where are you bound and where are you from. QRI How is my tone ? Click here for Printable Version. The Q Code consists of three-letter groups with each group having a specific meaning. It is an operating signal initially developed for commercial radiotelegraph communication and later adopted by other radio services, especially amateur radio. CODE DEFINITION; QHF: Are you going to the Hamfest? "QSB" refers to fading (variation in signal strength over time). It is a. brevity code initially developed for commercial radiotelegraph communication and later adopted by other radio services, especially amateur radio. Amateur Radio Q-Code Code Question Answer or Statement QRA What is the name of your station? What’s my exact frequency? Your frequency is varying. 6 0 obj How far approximately are you from my station? Below a number of Q signals are listed whose meanings most often need to be expressed with brevity and clarity in amateur radio work. Q-signals are a set of abbreviations for common information that save time and allow communication between operators who don’t speak a common language. What is my exact frequency? To answer, you’d reply: QRA [station name]. ‘Q’ CODES QAV Are you calling me ? QSU: Shall I send or reply on this frequency? Share. The name of my station is ___. 2. I’m listening to … call sign(s) on … kHz or MHz. International Q Code is an abbreviated way to exchange a great deal of information with a simple code. Q codes use three-letter codes that all begin with the letter Q. Q codes are commonly used in radio co In many countries, learning this code is necessary to obtain a ham radio license; the exact subset used may slightly vary from country to country. Morse Code; Offsets / Bandwidth; Q-Codes / Prosigns; RST Tables; Media. %���� Ham radio operators began to use Q codes in the early days of amateur radio and continue to do so today have remained in use since. Dit was zowel kort en bondig, als ook gevrijwaard van enige verwarring. Q-signals are a system of radio shorthand as old as wireless and developed from even older telegraphy codes. Cancel message number ___. Are you bothered by noise? Q-Codes – Ham Radio shorthand. I added a couple of informal non-CW uses of amateur radio codes, with referenced examples. Watch later. CB & Ham Radio SSB Q-Codes Below are the commonly used SSB (single sideband) Q-codes for both CB and Ham Radio. That will indicate you’re busy and can’t talk at the moment. QSW: Will you send on this frequency? The Q-codes have been deleted and are no longer part of revised editions since Doc8400-5 (5th edition 1999), so it is historical stuff now. "QRM" is one of many Q-codes used as abbreviations in radio communication. Q signals are short codes called Q codes that ham radio operators use to send someone a message without having to say the whole message. Copy link. In the early days of radio, hams used Morse code to communicate over radio. A Very Quick Peek Inside a Xiegu X1M Pro QRP Transceiver; Cory Antennas; Field Trip to SSL; Affiliates; Contact Information QRX: When will you call me again? HAM Radio Q codes – Everything you need to know about ham codes Best Dual Band Mobile Ham Radio Reviews 2021 and Buyer’s Guide How to Make Your First Call on a Ham Radio – Try It Now Your exact frequency is ___ kHz. It should be noted, that much of these were originally developed for CW (Morse code) use many years ago, because these words were much more simple and faster to send messages (less keys/letters). QRK: What’s the clarity of my signal? HAM Radio Communications; HAM Radio Links; Get Amateur Radio License; Our Facebook Group; Group Forums; Ham Radio Q-Codes; HamSphere 3 & 4; Technician Class; General Class; Amateur Extra; Facebook Group Calendar ; Amateur Radio Band Plan; Ham Radio Antennas; 3rd Party Operating AGT. ( I am calling . QRG Will you tell me my exact frequency? QRH Does my frequency vary ? QRZ: Who’s calling me? Amateur radio operators mainly use "Q" codes as abbreviations (see other page on ham radio codes). QRI How is the tone of my transmission? The infographic above covers what bands each license class has access to, common Q Codes, the Phonetic Alphabet, and Morse code. The International Q Code system is an abbreviated way to exchange a great deal of information with a simple code. Bookmark the websites, too. I am bound ___ from ___. The name of my station is ___. QTC: How many messages do you have to send? Please tell ___ that I’m calling. Like many amateurs, I thought that Q-signals had, like CW, pretty much been left to amateur radio operators. Here are a few examples of some of the most common abbreviations you will hear on the ham radio bands (assuming you can "read" morse code ;-). QSP: Will you relay to ___? A complete list of ham radio Q … I can’t receive you, you have a weak signal. Info. QRW: Shall I tell ___ that you’re calling? Your frequency is varying. It is an operating signal initially developed for commercial radio-telegraph communication and later adopted by other radio services, especially amateur radio. Shopping. QSO: Can you communicate with ___ direct or by relay? New ham radio operators should keep the information in this cheat sheet handy while gathering experience. Ham Radio Q Codes are abbreviations which are often used in HAM Radio. QSA: What’s my signal strength? QRP: Shall I decrease power? Jan 3, 2017 - This Pin was discovered by Janelle Haible-Brisbine. Q-Code QRA QRB QRG QRK QRL QRM QRN QRO QRP QRQ QRS QRT QRV QRX QRZ QSA QSB QSK QSL QSO Used as a Question What is the name of your station? QSM: Shall I repeat the last message I sent you? QRM: Is my transmission being interfered with? I am ____ km from your station. (Q signals take the form of a question only when each is sent followed by a question mark.) Access a list of Amateur radio Q codes; Phonetic alphabet: The phonetic alphabet or radio phonetic alphabet is used to spell out words in a way that the letters can be understood. A lack of Q code knowledge also can lead other hams to view you as inexperienced. "QRM" in particular refers to human-generated interference (as opposed to "QRN" which is used to refer to atmospheric noise). The Q codes are still essential in amateur radio even if most of them are not used daily. Please repeat your call. Amateur Radio "Q" signals. That made the text after the table even longer, so I gave it its own h4 subhead, Informal usage, and rearranged it into paragraphs ordered by Q-code. QRZ is a Q code that asks the question, “Who’s calling?” Alternatively, ham radio operators use it to indicate that a particular person is calling. Maritime Service Codes, second letter of which is O, P or Q. C. Aeronautical Codes, second letter of which is A, B, C, D, E, F, G, H, I, J, K, L, M or N. Presented in the table below are some common Q-Codes used by radio amateurs. )����@?��UQ�S���*�Ē�\�$*��Y>���E��J�L'ӴyT�u��),Q�8s�4L�fY�ݣ���{C[�]�ڶ4��YNhh2�2,�5�ݨ�̖:yd���C�����w�olTեw�.�e�\N�^k�t`�sm>�c~1���^��Cjd�$�b��W+4�s;p�9�A���=S��N�0:A�E]h�F�t�~��T)��9{?�1�@�iyn���;�����k�1�4Kv�S���x�+js~mw���n�.i�$�����uvx�o�~�ĵ;Z$�J�uu���^Ŵ�(c�x�YE5�/7�1��ⷝeOA�~�qOO���܇]�w���������]��i�_&�A?Gk�f������ߓ�|-���������>�^OO\Yo�w��|}��>����킫��>pdJ �|��o��m̈́(i���B�V�ד�7P� $�� ʄ=D�o�6�Y�:-=�}�������11!$�U������A�H��3�=1y]-¶��O�������9�,���:(��cr׊�I��2��A�1�&F$� ��:�����2}�����(2�#�\ ��R$(� �l��I��ɉ"ߞ �� QRC – What authority/administration settles the accounts of your station. Similar to how people instantly recognize the acronym ETA as shorthand for “estimated time of arrival,” Q codes do the same for ham radio jargon. . ) Here are the Q signals most commonly used in day-to-day operation. They are not for use in casual amateur conversation. Hams use three-letter Q signals on every mode and even in face-to-face conversation. I’ll call you at ___ hours. . Do not use QN signals on phone nets. Q Codes. The Q code is a standardized collection of three-letter codes all of which start with the letter “Q”. You need to be careful with the first set of codes, because many may not fit the meaning. Q-code use in ham radio. The name of my station is ___. Amateur Radio Q Codes. Sometimes spelled as "qcode". The British government created Q codes in 1909  on maritime ships and in shipping ports. QRH Does my frequency vary? Le code Q permet de réduire des phrases complètes à seulement 3 lettres, ainsi plus facilement transmises par Morse (télégraphie) ou par Radio. Within amateur radio, the Q codes have started to appear in voice communications, and their use is somewhat less formal than when it is used for Morse communications. The Q Code consists of three-letter groups with each group having a specific meaning. Informal and humorous amateur radio codes. The Q Code consists of three-letter groups with each group having a specific meaning. Ham Sites : Amateur Radio Q-Codes. QTH: What’s your location? QRH Does my frequency vary? Discover (and save!) Skill Details This skill contains dynamic content. Q-codes are shorthand codes that come from the world of CW. The tone of your transmission is ... 1. I’ll relay to ___. To Communicate Like an Experienced Ham Radio Operator. The origin of Q codes is also disputed. A lack of Q code […] Your frequency is ... khz. Everything You Need to Know about Ham Radio Contests. Good. All ham radio users should learn these codes to effectively communicate with other hams. Modern ham radio uses them extensively. QTR: What’s the correct time? Bad QRJ Are you receiving me badly? All start with the letter "Q". Your exact frequency is ___ kilohertz (kHz). Amateur radio international Q-code. Send more slowly (___ WPM). Are you busy? 5��rl�����$�������\��˩bt��"��[0����a0bdșHzflp��Z��['ͼ͚��! QRJ Are youy recieving me badly ? Originally intended for use only by radiotelegraph operators, Q-codes have become a permanent part of the hobby’s jargon, and many hams use them on phone as well as in face-to-face conversations. Ham radio “Q” codes are short codes used to communicate with other ham radio operators — also known as hams. /Filter /LZWDecode Using these codes made it possible to communicate across languages. /Length 7 0 R Are signals too weak ? I will high light the common ones used most in red.These can be changed to questions by adding a question mark behind them. If you are new to ham radio this will seem Greek unless of course you are Greek, then it is something you may be curious about and want to know more. << Ham radio adapted two sets of Q-codes. Each code can be a question if followed by a question mark or an answer (or statement) if not. What is the intelligibility of my signals? When we communicate in Morse code (CW), we make heavy use of abbreviations. It’s an abbreviated form of communication. QRH: Is my frequency varying? Here are a few examples of some of the most common abbreviations you will hear on the ham radio bands (assuming you can "read" morse code ;-).