Original sentence: Channel 17.2 currently broadcasts programs of local interest in a Spanish-language format operated by TIERRA MEDIA a Columbus television production house managed by Alberto Denegri and Lixander Rivas.It remains to be seen how, if at all, the station will make use of the remaining subchannels.There are four channels on this service; however, only 17.1 and 17.2 contain any actual programming, while 17.3 and 17.4 merely show a test pattern.WDEM-CA operates a multiplexed digital signal on UHF channel 17.1; its analog transmitter was shut off on February 17, 2009
Edited sentence: Digital channels.WDEM-CD operates a multiplexed digital signal on UHF channel 17.1; its analog transmitter was shut off on February 17, 2009.{| class="wikitable".| 17.1 || Main WDEM-CD programming.| 17.2 || Tierra Media (locally-produced Spanish language programming).| 17.3 || Replays of locally-produced WDEM programs