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There are two duration options available:
Max: Will record at the maximum IQ buffer size up to 10 seconds.
Partial: Will record at half the maximum.
The available duration for each option depends upon the frequency span of the spectrum. To increase
the available durations, decrease the frequency span. The max available duration is 10 seconds.
A “notes” field provides the user with up to 256 characters of text to be included in the iq-tar file
format. The user notes field is only supported by the iq-tar format; the user notes field is not accessible
if either the idq (IRIS) or the Raw formats are selected.
Audio Demod
Demodulation of AM and FM signals is possible with the MESA:
1) With the cursor located at the signal to be demodulated, tap the Volume Icon in the status bar.
2) From the volume bar dialog, select the Audio Demod Icon. The spectrum portion of the graph
will be compressed and displayed on the top half of the screen. An oscilloscope view will be
displayed on the bottom half of the screen. Note: The Audio Demod option is only enabled at
spans below 14 MHz. When the MESA is at a span where audio demodulation is available, the
circle around the volume icon in the status bar will turn orange.
3) To minimize the oscilloscope, press the minimize button at the top right of the oscilloscope.
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