AEA Technology, Inc. Bravo MRI II, Operating Manual, Page: 34 / 45

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Measured Data Header Table
Characters
Sent
Range of
x...x
Meaning Notes
Fx…x 100,000 to
200,000,000 Center frequency in
Hz These numbers depend on
the version
Wx…x 0 to
51.2MHz or
64MHz Sweep width in Hz Max width depends on plot
width of 80 or 100 points
Nx…x 1 to 200 Number of data points Data sent in pairs (Z,A or
R,X etc) count as one data
point
Dxxx 101 to 104 Data format
See D in unit setup
command. Defines the type
of data to follow
Measured Data Formats
Characters
Sent Range of
x...x Range of
y...y Meaning Notes
Rx..xXy..y 0 to
32,767 -32,768 to
32,767 R = 10x ohms
X = 10x j ohms insert ‘.’ Before last digit.
Resist. & React. D = 101.
Zx..xAy..y 0 to
32,767 -899 to
899 Z = 10x ohms
A =10x degrees
insert ‘.’ Before last digit.
Total Z & Z angle D=102.
Vx..xLy..y 100 to
10,000 0 to
10,000 V = 100x
(V)SWR
L=100xRtn loss
dB
insert ‘.’ Before last 2
digits. VSR & Rtn Loss
D=103
Mx..xDy..y 0 to 100 0 to 3600 M = 100x RC
mag.
D = 10x RC
angle Reflection coefficient or
Smith Chart vector, insert
‘.’ in appropriate place
D=104
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
9.3.1.2.3 D
Returns the letter D with a number equal to the measured length in millimeters.
The last character is the EOS marker.