1948
WDSU/ch. 6 (NBC primary; CBS, Dumont and ABC all secondaries) signs on.
1953
WJMR/ch. 61 (CBS primary, ABC secondary) signs on.
1955
WDSU/ch. 6 drops Dumont as a secondary.
1956
WJMR/ch. 61 relocates to channel 20.
1957
WWL/ch. 4 (CBS) signs on.
WDSU/ch. 6 drops CBS and ABC as secondaries.
WYES/ch. 8 (NET) signs on.
WJMR/ch. 20 changes call to WVUE and drops CBS. It retains ABC as primary affiliation.
1959
WVUE/ch. 20 relocates to channel 13.
1962
WVUE/ch. 13 relocates to channel 12.
1966
WWOM/ch. 26 (independent) signs on.
1970
WYES and WVUE swap channel positions (WVUE now on ch. 8, WYES now on ch. 12). WYES becomes a PBS affiliate.
1971
WWOM/ch. 26 changes call to WGNO.
1984
WLAE/ch. 32 (PBS) signs on.
WNOL/ch. 38 (independent) signs on.
1986
WNOL/ch. 38 becomes a Fox affiliate.
1989
WCCL/ch. 49 (independent) signs on.
1990
WCCL/ch. 49 goes off the air.
1994
WHNO/ch. 20 (religious) signs on.
WCCL/ch. 49 (Home Shopping Network) returns.
1995
WGNO/ch. 26 becomes a WB affiliate.
WUPL/ch. 54 (UPN) signs on. It is licensed to and originates from Slidell, La.
1996
WVUE/ch. 8 switches to Fox.
WGNO/ch. 26 switches to ABC.
WNOL/ch. 38 switches to WB.
1998
WCCL/ch. 49 changes call to WPXL and becomes a Pax affiliate.
2005
WPXL/ch. 49 becomes an "I" affiliate.
2006
WNOL/ch. 38 becomes a CW affiliate.
WUPL/ch. 54 becomes a My Network TV affiliate.
2007
WHMM/ch. 42 (Telemundo) signs on. Its call changes months later to KGLA. It is licensed to and originates from Hammond, La.
2009
All analog broadcasts cease. The following station shows each's physical digital channel in parentheses and subcarriers in italics:
WWL/ch. 4 (38) - 4.2 - Live Well Network
WDSU/ch. 6 (43) - 6.2 - Me-TV
WVUE/ch. 8 (29)
WYES/ch. 12 (11) - 12.2 - PBS World; 11.3 - PBS Create
WHNO/ch. 20 (21) - 20.2 - WeatherNation; 20.3 - Family Entertainment TV
WGNO/ch. 26 (26)
WLAE/ch. 32 (31--reverted to educational independent in 2013) - 32.2 - Worldview; 32.3 - Catholic TV; 32.4 - V-Me
WNOL/ch. 38 (15) - 38.2 - This TV
KGLA/ch. 42 (42)
WPXL/ch. 49 (50) - 49.2 - qubo; 49.3 - Ion Life; 49.4 - Ion Shop; 49.5 - QVC; 49.6 - HSN
WUPL/ch. 54 (24) - 54.2 - MundoFox
WDSU/ch. 6 (NBC primary; CBS, Dumont and ABC all secondaries) signs on.
1953
WJMR/ch. 61 (CBS primary, ABC secondary) signs on.
1955
WDSU/ch. 6 drops Dumont as a secondary.
1956
WJMR/ch. 61 relocates to channel 20.
1957
WWL/ch. 4 (CBS) signs on.
WDSU/ch. 6 drops CBS and ABC as secondaries.
WYES/ch. 8 (NET) signs on.
WJMR/ch. 20 changes call to WVUE and drops CBS. It retains ABC as primary affiliation.
1959
WVUE/ch. 20 relocates to channel 13.
1962
WVUE/ch. 13 relocates to channel 12.
1966
WWOM/ch. 26 (independent) signs on.
1970
WYES and WVUE swap channel positions (WVUE now on ch. 8, WYES now on ch. 12). WYES becomes a PBS affiliate.
1971
WWOM/ch. 26 changes call to WGNO.
1984
WLAE/ch. 32 (PBS) signs on.
WNOL/ch. 38 (independent) signs on.
1986
WNOL/ch. 38 becomes a Fox affiliate.
1989
WCCL/ch. 49 (independent) signs on.
1990
WCCL/ch. 49 goes off the air.
1994
WHNO/ch. 20 (religious) signs on.
WCCL/ch. 49 (Home Shopping Network) returns.
1995
WGNO/ch. 26 becomes a WB affiliate.
WUPL/ch. 54 (UPN) signs on. It is licensed to and originates from Slidell, La.
1996
WVUE/ch. 8 switches to Fox.
WGNO/ch. 26 switches to ABC.
WNOL/ch. 38 switches to WB.
1998
WCCL/ch. 49 changes call to WPXL and becomes a Pax affiliate.
2005
WPXL/ch. 49 becomes an "I" affiliate.
2006
WNOL/ch. 38 becomes a CW affiliate.
WUPL/ch. 54 becomes a My Network TV affiliate.
2007
WHMM/ch. 42 (Telemundo) signs on. Its call changes months later to KGLA. It is licensed to and originates from Hammond, La.
2009
All analog broadcasts cease. The following station shows each's physical digital channel in parentheses and subcarriers in italics:
WWL/ch. 4 (38) - 4.2 - Live Well Network
WDSU/ch. 6 (43) - 6.2 - Me-TV
WVUE/ch. 8 (29)
WYES/ch. 12 (11) - 12.2 - PBS World; 11.3 - PBS Create
WHNO/ch. 20 (21) - 20.2 - WeatherNation; 20.3 - Family Entertainment TV
WGNO/ch. 26 (26)
WLAE/ch. 32 (31--reverted to educational independent in 2013) - 32.2 - Worldview; 32.3 - Catholic TV; 32.4 - V-Me
WNOL/ch. 38 (15) - 38.2 - This TV
KGLA/ch. 42 (42)
WPXL/ch. 49 (50) - 49.2 - qubo; 49.3 - Ion Life; 49.4 - Ion Shop; 49.5 - QVC; 49.6 - HSN
WUPL/ch. 54 (24) - 54.2 - MundoFox
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