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nfm sfm super narrow fm wam am nam wide standard narrow am usb lsb cw a 3.0 khz ssb filter is employed with true carrier re-insertion ... scanning logging with support for geographic data from a gps and audio recording to disk in addition optional internal slot cards which ... squelch search lrecord chip slot card records up to 20 seconds of audio with continuous loop capability ltone eliminator slot card lvoice