The station signed on as W42AU in 1988 airing a low-powered analog signal, on UHF channel 42, from a transmitter on Mount Tom in Holyoke. The station served as the Pioneer Valley's over-the-air repeater of the Trinity Broadcasting Network without any local deviation outside of station identification.
W67DF[]
1994–2003[]
LOGO MISSING
In 1994, it moved to UHF channel 67 and became W67DF.
WSHM (-LP/LD)[]
2003–2006[]
In 2003, the Meredith Corporation (having acquired WFSB; the former de facto CBS affiliate for the Pioneer Valley for 37 years; purchased in June 1997) purchased W67DF in order to set up a separate operation in the Pioneer Valley. Reasons for such a launch ranged from local advertising opportunities, along with being able to assert the Pioneer Valley as a secondary New England Patriots market, hoping to avoid preempting Patriots games in Hartford–New Haven.
The logo style is similar of that to now-sister station KPHO-TV in Phoenix.
2006–present[]
In 2006, WSHM switched to this logo based off that of KYW-TV in Philadelphia.
2006–2010[]
2010–2015[]
The "Springfield" below the logo was removed in 2015.
