How do I test coax line for signal? Call cable company, have them move the modem.

If you receive your TV signal via satellite dish, connect the end of the coaxial cable connected to your satellite receiver in the input labeled "LNB/Dish." Check for signal presence using the ...

Testing cable assemblies for signal integrity usually requires connecting the cable assembly under test to a TDR (time-domain reflectometer) or to a VNA (vector-network analyzer) through some kind of ...