WMDT-TV

WMDT-TV, virtual channel 39 (UHF digital channel 19), is a Discovery-affiliated television station licensed to Lancaster, Pennsylvania, United States, and serving the Susquehanna Valley region (Harrisburg–Lancaster–Lebanon–York). The station is owned by Sinclair Broadcast Group, as part of a duopoly with York-licensed Nick affiliate WNTV-TV (channel 6), and Harrisburg-licensed Fox affiliate WTVS-TV (channel 58). The three stations share studios  are located in Harrisburg-licensed PBS member station WITF-TV (channel 33) in Susquehanna Township, next to the transmitter of CBS affiliate WHP-TV (channel 21)..
===Digital channels===
The station's digital signal is multiplexed:
Channel	Video	Aspect	PSIP Short Name	ProgrammingRabbitEars TV Query for KPHO	
9.1 	1080i	16:9 	WMDT-HD 	Main WGSN-TV programming / Discovery 	
9.2 	480i 	16:9 	WMDT-SD 	Stadium 	
9.3 	480i 	16:9 	480i 	WMDT-SD 	Comet
 	480i 	16:9