...Endpoint scan, Hz .
4. Spacing scanning ediitsy tens kHz/MHz.
5. Noise level, dB.
6. Magnitude clock frequency correction, ppm.
Announcement on the resource http://www.rtl-sdr.com/new-rtl-sdr-panoramic-spectrum-analyzer/
New driver RTL-SDR http://lists.osmocom.org/pipermail/osmocom-sdr/2014-August/001353.html