Radio Information

Looking for your grid square well look no further! LINK

Curious about what RST is or when somebody says 599?




2–Barely readable, occasional 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.


1–Sixty cycle a.c or less, very rough and broad.

2–Very rough a.c., very harsh and broad.

3–Rough a.c. tone, rectified but not filtered.

4–Rough note, some trace of filtering.

5–Filtered rectified a.c. 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 or modulation of any kind.


Still confused on Q signals?

A Q signal followed by a ? asks a question. A Q signal without the ? answers the question affirmatively, unless otherwise indicated. 
QRA What is the name of your station?
QRG What's my exact frequency?
QRH Does my frequency vary?
QRI How is my tone? (1-3)
QRK What is my signal intelligibility? (1-5)
QRL Are you busy? QRM Is my transmission being interfered with?
QRN Are you troubled by static?
QRO Shall I increase transmitter power?
QRP Shall I decrease transmitter power?
QRQ Shall I send faster?
QRS Shall I send slower?
QRT Shall I stop sending?
QRU Have you anything for me? (Answer in negative)
QRV Are you ready?
QRW Shall I tell _____ you're calling him?
QRX When will you call again?
QRZ Who is calling me?
QSA What is my signal strength? (1-5)
QSB Are my signals fading?
QSD Is my keying defective?
QSG Shall I send _____ messages at a time?
QSK Can you work breakin?
QSL Can you acknowledge receipt?
QSM Shall I repeat the last message sent?
QSO Can you communicate with _____ direct?
QSP Will you relay to _____?
QSV Shall I send a series of V's?
QSW Will you transmit on _____?
QSX Will you listen for _____ on _____?
QSY Shall I change frequency?
QSZ Shall I send each word/group more than once? (Answer, send twice or _____) QTA Shall I cancel number _____?
QTB Do you agree with my word count? (Answer negative)
QTC How many messages have you to send?
QTH What is your location? QTR What isyour time?
QTV Shall I stand guard for you _____?
QTX Will you keep your station open for further communication with me?
QUA Have you news of _____?