Some such "semi-satellites" broadcast their own local newscasts, or separate news segments during part of the newscast.
Until 2011, the stations signed-off overnight and did not broadcast their networks' overnight newscasts.
WMBF is the first in the market to broadcast its local newscasts in high definition.
The station began broadcasting their newscasts and all in house productions in high definition on August 5, 2011.
Recently, they started to broadcast their newscasts in HD for the first time.
WFLA has been broadcasting its local newscasts in high definition since early 2007.
It was also first to broadcast its local newscasts in 16:9 widescreen enhanced definition in September 2009.
Both affiliates broadcast their newscasts at the News 10 studios in Lansing.
On November 1, 2011 News 13 began broadcasting their newscasts in high-definition.
The station began broadcasting its newscasts in high definition on October 20, 2008 beginning with its 4 p.m. newscast.