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4.23 - Native Recording
4.23.1 - System Requirements and Limitations
Please be aware that these functions take significant CPU power as well as require a fast storage device. Some machines may not be able to record. If you have problems, try a lower SDR bandwidth (e.g. 50 KHz) as this will reduce the data rate, and so the demands upon your computer's filesystem and CPU.
The maximum size of the file recorded in megabytes, and the directory where SdrDx looks for, and saves, recordings, can be set by right clicking on the (record) control. If the recorded file size exceeds that size, the file will be closed and another one opened. The default max file size is 500 MB.
4.23.2 - Setting up to Record
First, set the SDR to the bandwidth you intend to record. Then, with Run on, press the or "record" button, and record for the period of time you wish. Be aware that this uses up disk space extremely quickly. If you run out of disk space, the recording will stop automatically and you'll be left to move or delete the recording. To stop recording, just press again.
4.23.3 - While Recording
The size of the file currently being recorded is indicated in two ways. First, in the topmost info black at the end, where the size is indicated as "X.XX GB"; second, in the scrub bar, which shows progress towards the maximum set file size.
During Record, the center frequency is locked.
4.23.4 - Record File Format
If you're interested in reading files saved by SdrDx, here is a description of the files it creates:
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