Amateur Extra › E2 Operating Procedures › E2B02
E2B02
How many horizontal lines make up a fast-scan (NTSC) television frame?
Pick an answer to check it.
Answer: C. 525
An NTSC fast-scan TV frame is made of 525 horizontal lines. 1080 is a high-definition digital format, and 30 is the frame rate, not the line count.
Tip: NTSC = 525 lines.