The following is a copy of a sheet that I have carried around for years.
I'm the dumbest guy I know, and trying to remember this stuff on the spur of the moment has lead to many errors. So I have a small sheet that I keep nearby. Here it is...
RST or Readability/Strength/Tone System
READABILITY
1 - Unreadable
2 - Barely readable, few words distinguishable
3 - Readable with considerable difficulty
4 - Readable with practically no difficulty
5 - Perfectly readable |
SIGNAL STRENGTH
1 - Faint signals, barely perceptible
2 - Very weak signals
3 - Weak signals
4 - Fair signals
5 - Fairly good signals
6 - Good signals
7 - Moderately strong signals
8 - Strong signals
9 - Extremely strong signals |
CW. (Not to be used with other modes)
1 - Sixty cycle AC or less, very rough and broad
2 - Very rough AC , very harsh and broad
3 - Rough AC tone, rectified but not filtered
4 - Rough AC note, some trace of filtering
5 - Filtered rectified AC but strongly ripple-modulated
6 - Filtered tone, definite trace of ripple modulation
7 - Near pure tone, trace of ripple modulation
8 - Near perfect tone, slight trace of modulation
9 - Perfect tone, no trace of ripple/modulation at all |
PSK Reporting System
Readability
R1... 0% .... Undecipherable
R2 ... 20% ... Occasional words distinguishable
R3 ... 40% ... Very difficult, many missed characters
R4 ... 80% ... Not much difficulty, occasional missed characters
R5 ... 95%+ ... Perfectly Copy |
STRENGTH
S1 ... Barely perceptible trace
S3 ... Weak trace
S5 ... Moderate trace
S7 ... Strong trace
S9 ... Very Strong trace |
QUALITY
Q1 ... Splatter over much of the spectrum
Q3 ... Multiple visible pairs
Q5 ... One easily visible pair
Q7 ... One barely visible pair
Q9 ... Clean signal - no visible unwanted sidebar pairs |
Q-Signals
Normally used on CW contact, they can be used on SSB and other modes depending on the circumstances. For example, if someone on a local repeater asks me if my name is "Fred", I don't say "QSL". I'll say "yes, you have it right", or "your correct". Answering "QSL" to a yes question constantly makes you look sort of .... odd.
- Q-Sig / Message
- QRA: What is the name of your station?
The name of my station is ___.
- QRB: How far are you from my station?
I am ____ km from you station
- QRD: Where are you bound and where are you coming from?
I am bound ___ from ___.
- QRG: Will you tell me my exact frequency?
Your exact frequency is ___ kHz.
- QRH: Does my frequency vary?
Your frequency varies.
- QRI: How is the tone of my transmission?
The tone of your transmission is ___ (see CW RST)
- QRJ: Are you receiving me badly?
I cannot receive you, your signal is too weak.
- QRK: What is the intelligibility of my signals?
The intelligibility of your signals is ___ (see CW RST)
- QRL: Are you busy?
I am busy, please do not interfere
- QRM Is my transmission being interfered with?
Your transmission is being interfered with ___ (see CW RST)
- QRN: Are you troubled by static?
I am troubled by static ___ (1-5 as under QRM.)
- QRO: Shall I increase power?
Increase power.
- QRP: Shall I decrease power?
Decrease power.
- QRQ: Shall I send faster?
Send faster (___ WPM.)
- QRR: Are you ready for automatic operation?
I am ready. Send at ___ WPM.
- QRS: Shall I send more slowly?
Send more slowly (___ WPM.)
- QRT: Shall I stop sending?
Stop sending.
- QRU: Have you anything for me?
I have nothing for you.
- QRV: Are you ready?
I am ready.
- QRW: Shall I inform ___ that you are calling?
Please inform ___ that I am calling.
- QRX: When will you call me again?
I will call you again at ___ hours.
- QRY: What is my turn?
Your turn is numbered ___.
- QRZ: Who is calling me?
You are being called by ___.
- QSA: What is the strength of my signals?
The strength of your signals is ___ (1-Hardly perceptible, 2-Weak, 3-Fairly Good, 4-Good, 5-Very Good.)
- QSB: Are my signals fading?
Your signals are fading.
- QSD: Is my keying defective?
Your keying is defective.
- QSG: Shall I send ___ messages at a time?
Send ___ messages at a time.
- QSJ: What is the charge to be collected per word to ___ including your international telegraph charge?
The charge to be collected per word is ___ including my international telegraph charge.
- QSK: Can you hear me between you signals and if so can I break in on your transmission?
I can hear you between my signals, break in on my transmission.
- QSL: Can you acknowledge receipt?
I am acknowledging receipt.
- QSM: Shall I repeat the last message which I sent you?
Repeat the last message.
- QSN: Did you hear me on ___ kHz?
I did hear you on ___ kHz.
- QSO: Can you communicate with ___ direct or by relay?
I can communicate with ___ direct (or by relay through ___.)
- QSP: Will you relay to ___?
I will relay to ___.
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- Q-Sig / Message
- QSQ: Have you a doctor on board? (or is ___ on board?)
I have a doctor on board (or ___ is on board.)
- QSU: Shall I send or reply on this frequency?
Send a series of Vs on this frequency.
- QSV: Shall I send a series of Vs on this frequency?
Send a series of Vs on this frequency.
- QSW: Will you send on this frequency?
I am going to send on this frequency.
- QSY: Shall I change to another frequency?
Change to another frequency.
- QSZ: Shall I send each word or group more than once?
Send each word or group twice (or ___ times.)
- QTA: Shall I cancel message number ___?
Cancel message number ___.
- QTB: Do you agree with my counting of words?
I do not agree with your counting of words. I will repeat the first letter or digit of each word or group.
- QTC: How many messages have you to send?
I have ___ messages for you.
- QTE: What is my true bearing from you?
Your true bearing from me is ___ degrees.
- QTG: Will you send two dashes of 10 seconds each followed by your call sign?
I am going to send two dashes of 10 seconds each followed by my call sign.
- QTH: What is your location?
My location is ___.
- QTI: What is your true track?
My true track is ___ degrees.
- QTJ: What is your speed?
My speed is ___ km/h.
- QTL: What is your true heading?
My true heading is ___ degrees.
- QTN: At what time did you depart from ___?
I departed from ___ at ___ hours.
- QTO: Have you left dock (or port)?
I have left dock (or port).
- QTP: Are you going to enter dock (or port)?
I am going to enter dock (or port.)
- QTQ: Can you communicate with my station by means of the International Code of Signals?
I am going to communicate with your station by means of the International Code of Signals.
- QTR: What is the correct time?
The correct time is ___.
- QTS: Will you send your call sign for ___ minutes so that your frequency can be measured?
I will send my call sign for ___ minutes so that my frequency may be measured.
- QTU: What are the hours during which your station is open?
My station is open from ___ hours to ___ hours.
- QTV: Shall I stand guard for you on the frequency of ___ kHz?
Stand guard for me on the frequency of ___ kHz.
- QTX: Will you keep your station open for further communication with me?
I will keep my station open for further communication with you.
- QUA: Have you news of ___?
I have news of ___.
- QUB: Can you give me information concerning visibility, height of clouds, direction and velocity of ground wind at ___?
Here is the information you requested...
- QUC: What is the number of the last message you received from me?
The number of the last message I received from you is ___.
- QUD: Have you received the urgency signal sent by ___?
I have received the urgency signal sent by ___.
- QUF: Have you received the distress signal sent by ___?
I have received the distress signal sent by ___.
- QUG: Will you be forced to land?
I am forced to land immediately.
- QUH: Will you give me the present barometric pressure?
The present barometric pressure is ___ (units).
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