Disk Usage Analyzer is a graphical disk usage analyzer for GNOME. The simplest calibration that can be performed on a network analyzer is a transmission measurement. Microsoft Network Monitor is a deprecated packet analyzer. Typically a polarization scrambler is placed between the analyzer and detector also. An SNA is functionally identical to a spectrum analyzer in combination with a tracking generator. OSNR is measured with an optical spectrum analyzer. It enables trace function like a logic analyzer. The testing is typically performed by an automated analyzer. Thermogravimetric analysis (TGA) is conducted on an instrument referred to as a thermogravimetric analyzer. It showed a spectrum analyzer and color-changing volume slider, but no waveform display. Other manual methods are commonly used to confirm the results from the automated analyzer. Wireshark is a free and open-source packet analyzer. TreeSize is a disk space analyzer written by JAM Software. This toolset consists of Compatibility Administrator and Standard User Analyzer. The StingRay is an IMSI-catcher with both passive (digital analyzer) and active (cell-site simulator) capabilities.