(a) Digital low power stations. Call signs for digital low power stations will be made up of a prefix consisting of the initial letter K or W followed by the channel number assigned to the station and two additional letters and a suffix consisting of the letters -D.
(b) Digital television translator stations. Call signs for digital television translator stations will be made up of a prefix consisting of the initial letter K or W followed by the channel number assigned to the station and two additional letters and a suffix consisting of the letter -D.
(c) Digital low power television stations and Class A television stations. Digital low power television and Class A television stations may be assigned a call sign with a four-letter prefix pursuant to Sec. 73.3550 of the Commission's rules. Digital low power stations with four-letter prefixes will be assigned the suffix -LD and digital Class A stations with four-letter prefixes will be assigned the suffix -CD. [69 FR 69335, Nov. 29, 2004]