AEA VIA Bravo MRI Operating Manual page 33

The information sent in the header is shown in the first column of the table.
The header and data are sent in one continuous string, but they are divided
up in the tables for clarity. The numbers sent will always be integers (0 to
very large) and do not contain decimal points or commas.
Characters Range of
Sent x...x
Fx...x 100,000 to
70,000,000
Wx...x 0 to
25.6MHz or
32MHz
Nx...x 1 to 200
Dxxx 101 to 104
Characters Range of
Sent x...x
Rx..xXy..y 0 to
32,767
Zx..xAy..y 0 to
32,767
Vx..xLy..y 100 to
10,000
Mx..xDy..y 0 to 100
9.3.1.2.2 Q
Returns the letter Q with a number equal to 10 times the calculated Q value. The
last character sent is the EOS marker
Measured Data Header Table
Meaning
Center frequency in
Hz
Sweep width in Hz
Number of data points
Data format
Measured Data Formats
Range of Meaning
y...y
-32,768 R = 10x ohms
to 32,767 X = 10x j ohms
-899 to Z = 10x ohms
899 A =10x degrees
0 to V = 100x (V)SWR
10,000 L=100xRtn loss dB
0 to 3600 M = 100x RC mag.
D = 10x RC angle
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Notes
These numbers depend on
the version
Max width depends on plot
width of 80 or 100 points
and center freq. values
Data sent in pairs (Z,A or
R,X etc) count as one data
point
See D in unit setup
command. Defines the type
of data that follows
Notes
insert '.' Before last digit.
Resist. & React. D = 101.
insert '.' Before last digit.
Total Z & Z angle D=102.
insert '.' Before last 2
digits. VSR & Rtn Loss
D=103
Reflection coefficient or
Smith Chart vector, insert
'.' in appropriate place
D=104