South East Corner
       32mtr ASL
 CQ Zone14
ITU Zone 27
Independent Station
  Friendship

South Wales
Cymru

Through Radio
Newport
IO81mo

163        549

y
 
   S.Wales

OPEN


The RST code, in its original form, is intended for CW operation. On SSB, the final digit T (Tone) is normally omitted. Also used on 11m
       Reporting system - RST  Code     
Signal
Readbility R
Strength S
Tone T (cw)
1
Unreadable
Faint Signals, Barely perceptable
Sixty cycle a.c or less,very rough or broad
2
Barely readable, occasional words distinguishable
Very weak signals
very rough a.c very harsh and broad
3
Readable with consierable dificulty
weak signals
Rough a.c tone, rectified but not filtered
4
Readable with practicaly no difficulty
Fair signals
Rough note,some trace of filtering
5
Perfectly readable
Fairly good signals
Filtered rectified a.c. but strong ripple- modulation
6
N / A
Good signals
Filtered tone,definate trace of ripple modulation
7
N / A
Moderately strong signals
Near pure tone, trace of ripple modulation
8
N / A
Srong signals
Near perfect tone, slight trace of modulation
9
N / A
Extremly strong signals
Perfect tone,no trace of ripple or modulation of any kind
Copyright @ 163x549

RSV code for SSTV transmissions
                                         Reporting System - RSV   Code                                 
Signal
Readability R
Strength S
VIDEO V
1
Unreadable
Faint signal, barely perceptible
Picture unreadable
2
Barely readable
Very Weak
picture barely visible
3
Readable with difficulty
Weak
Readable with flaws
4
Readable with no difficulty
Fair
Very good picture some flaws
5
Perfectly readable
Fairly Good
Perfect picture no flaws
6
N / A
Good
N / A
7
N / A
Moderately Strong
N / A
8
N / A
Strong
N / A
9
N / A
Very strong signals
N / A
Copyright @ 163x549

RSQ Code Often used to describe reception and quality of digital modes such as PSK31
                                           Reporting System - RSQ   Code                                
Signal
Readability R
Strength S
Quality Q
1
0%Copy undecipherable
barely perceptible trace
splatter over much of the spectrum
2
20% copy -occasional words distinguishable
N / A
N / A
3
40% copy - readable with difficulty, many missed characters
Weak trace
multiple visible pairs
4
80% copy - Readable with no difficulty
N / A
N / A
5
95%+ copy - Perfectly readable
Moderate trace
One easily visible pair
6
N / A
N / A
Filtered tone,definate trace of ripple modulation
7
N / A
Strong Trace
One barely visible pair
8
N / A
N / A
N / A
9
N / A
Very strong trace
Clean signal - no visible unwanted sidebars
Copyright @ 163x549