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2. gamma
3. gamma
4. gamma (lowest byte)
5. phase
158
(highest byte)
6. phase
7. phase
8. phase (lowest byte)
Notes:
return loss = –20* (log(gamma) / log(10))
VSWR = (1+gamma)/(1-gamma)
phase compares the reflected to the incident (reference)
For Spectrum Analyzer and Transmission Measurement (Option 21) Modes:
57) Start Frequency
159
(highest byte)
58) Start Frequency
59) Start Frequency
60) Start Frequency (lowest byte)
61) Stop Frequency (highest byte)
62) Stop Frequency
63) Stop Frequency
64) Stop Frequency (lowest byte)
65) Center Frequency (highest byte)
66) Center Frequency
67) Center Frequency
68) Center Frequency (lowest byte)
69) Frequency Span (highest byte)
70) Frequency Span
71) Frequency Span
72) Frequency Span (lowest byte)
73) Minimum Frequency Step Size (highest byte)
74) Minimum Frequency Step Size
75) Minimum Frequency Step Size
76) Minimum Frequency Step Size (lowest byte)
77) Ref Level
160
(highest byte)
78) Ref Level
79) Ref Level
80) Ref Level (lowest byte)
81) Scale per div
161
(highest byte)
82) Scale per div
83) Scale per div
84) Scale per div (lowest byte)
85) Frequency Marker 1
162
(higher byte)
86) Frequency Marker 1 (lower byte)
87) Frequency Marker 2 (higher byte)
88) Frequency Marker 2 (lower byte)
89) Frequency Marker 3 (higher byte)
Site Master PM 53
158 Phase data uses 1/10 degree unit.
159 Scaled by Frequency Scale Factor (bytes 335-336)
160 Value sent as ( Value in dBm * 1000 ) + 270,000
161 Value sent as ( Value * 1000 )
162 Value sent as data point on display. Freq = ( Point * Span / ( Total Data Points–1))+Start Freq