What is the approximate bandwidth of AM fast-scan TV transmissions?

Fast-scan television (FSTV), similar to traditional analog broadcast television (NTSC), requires a very wide bandwidth to transmit the rapid sequence of high-resolution images and synchronized audio. Because of this massive amount of data, a single FSTV channel occupies about 6 MHz of spectrum. This is significantly wider than other amateur modes; for example, an SSB voice signal only uses about 3 kHz, and an FM voice signal uses about 10 to 15 kHz. Because FSTV requires so much bandwidth, it is only permitted on the 70 cm band (420-450 MHz) and higher UHF/microwave bands where there is enough spectrum available. Distractors like 1 MHz or 3 MHz underestimate the data payload required for full-motion analog video, while 10 MHz is unnecessarily wide.