Q code & RST

The Q Code used by amateurs (Yang selalu digunakan)
QRL -Frequency in use / busy
QRM -Interference from other station
QRN -Interference from static / electrical equipment
QRO -High power
QRP -Low power
QRS -Send more slowly
QRT -Closing down
QRU -That's all from me
QRX -Standby
QRZ -Who is calling me
QSB -Fading
QSL -Confirmation of info / QSL Card
QSO -Contact between stations
QSY -Change frequency
QTH -Location
QTHR -Address per Callbook

The RST System

Readability
1 - Unreadable.
2 - Barely readable, some words distinguishable.
3 - Readable with, considerable difficulty.
4 - Readable with, practically no difficulty.
5 - Fully 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.


Tone
1 - Extremely rough hissing note.
2 - Very rough ac note.
3 - Rough low pitched ac note, slightly musical.
4 - Rough ac note, moderately musical.
5 - Musically modulated note.
6 - Modulated note, smooth ripple.
7 - Near dc note, smooth ripple.
8 - Good dc note, trace of ripple.
9 - Pure dc note.

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