programming. Stations Combined, the five stations and their extensive translator network reach almost all of Idaho, as well as parts of Washington, Montana, and Oregon. The north Idaho stations of Coeur d'Alene and Moscow are in the Pacific Time Zone, while the south Idaho stations of Boise, Twin Falls, and Pocatello are in the Mountain Time Zone. Notes: 1. Aside from their transmitters, KCDT and KIPT do not maintain any physical presence in their cities of license. 2. The Broadcasting and Cable Yearbook says KIPT signed on January 18, while the Television and Cable Factbook says it signed on January 17. 3. KISU-TV used the call sign KBGL-TV from its 1971 sign-on until December 7, 1981. (The ISU athletic teams are the Bengals.) 4. KUID-TV was on analog channel 12 until its digital channel signed on; the analog signal was moved to Channel 35, which had previously been assigned as KUID's digital allocation. Digital television Digital subchannels The digital signals of IdahoPTV's stations are multiplexed: Analog-to-digital conversion IdahoPTV's stations shut down their analog signals on June 12, 2009, the official date in which full-power television stations in the United States transitioned from analog to digital broadcasts under federal mandate, with the exception of KAID, which was part of the Analog Nightlight Program and was shut off on June 15, 2009. The station's digital channel allocations post-transition are as follows: KAID shut down its analog signal on June 15, 2009, over VHF channel 4; the station's digital signal remained on its pre-transition UHF channel 21. Through the use of PSIP, digital television receivers display the station's virtual channel as its former VHF analog channel 4. KCDT shut down its analog signal, over UHF channel 26; the station's digital signal remained on its pre-transition UHF channel 45. Through the use of PSIP, digital television receivers display the station's virtual channel as its former UHF analog channel 26. KIPT shut down its analog signal, over VHF channel 13; the station's digital signal remained on its pre-transition UHF channel 22. Through the use of PSIP, digital television receivers display the station's virtual channel as its former VHF analog channel 13. KISU-TV shut down its analog signal, over VHF channel 10; the station's digital signal remained on its pre-transition UHF channel 17. Through the use of PSIP, digital television receivers display the station's virtual channel as its former VHF analog channel 10. KUID-TV shut down