What is an example of a signal that an operator would test using the Spectrum Analyzer?

In the context of using a Spectrum Analyzer, the choice of GPS as an example is accurate because GPS signals are critical for navigation and timing applications and are typically analyzed in the frequency domain for their performance and integrity.

A Spectrum Analyzer is used to measure the amplitude of signals across a range of frequencies, providing a visual representation of the signal's components. GPS signals are particularly significant because they operate in a specific frequency band (L1, L2, and L5), allowing for precise analysis of their characteristics, such as signal strength, modulation type, and the presence of interference or noise. This capability is essential for ensuring the reliability and effectiveness of GPS systems in various applications, from aviation to personal navigation devices.

In comparison, while Bluetooth, television signals, and Wi-Fi can also be analyzed using a Spectrum Analyzer, GPS signals are often the focus in professional and military contexts due to their unique characteristics and the critical nature of their performance. Each of the other options (Bluetooth, television, Wi-Fi) operates in different frequency bands and has distinct requirements for measurement, but GPS's specific needs for precision and clarity make it a prominent example in spectrum analysis discussions.