The Skinny on FT-8 Signal Reports

The signal reports don’t make any sense, right? They are negative numbers (unless you are running QRO…but let’s not go there), yet the signals are clearly audible. The number represents the strength or your FSK signal (6.25 Hz) as it compares to the signals in an entire 2.5 kHz SSB bandwidth. I was curious about the math, and I combed the internet looking for an explanation. Here’s the actual math behind the report:

Keep in mind…

[su_button url=””]Original Article [/su_button]