As noted in The Lansing State Journal, format/programming descriptions taken verbatim from paper
Stations originally arranged by city; I arranged them in numerical order
AM Stations
730 WVIC (East Lansing) ABC, Contemporary/Progressive, Spanish 2 hrs., Black 4 hrs. weekly
760 WJR (Detroit) CBS, Variety
870 WKAR (East Lansing) Variety/Contemporary Black/Public Affairs/Religious
1010 WITL (Lansing) Country
1080 WOAP (Owosso) Slovakian 6 hrs., Country/Western 6 1/4 hrs. weekly
1110 WUNN (Mason) Educational/Religious
1240 WJIM (Lansing) NBC, Contemporary
1320 WILS (Lansing) Contemporary
1390 WCER (Charlotte) ABC
1430 WION (Ionia) Middle of Road
1580 WRBJ (St. Johns) Middle of Road, Spanish 10 hrs. weekly
FM Stations
89.5 WCMU-FM (Mt. Pleasant) Classical/fine arts 24 hrs., Spanish 1 hr. weekly, Educational, Religious
90.5 WKAR-FM (East Lansing) Classical/Fine Arts/Public Affairs; program separate from WKAR
91.7 WUOM-FM (Ann Arbor) Fine Arts/Educational
92.1 WRBJ-FM (St. Johns) Easy listening
92.7 WCER-FM (Charlotte) Duplicates WCER 50 per cent
94.9 WVIC-FM (East Lansing) Stereo, duplicates WVIC
97.5 WJIM-FM (Lansing) Standards, separate from WJIM
99.1 WFMK-FM (East Lansing) ABC, stereo, Contemporary
100.7 WITL-FM (Lansing) Country
101.7 WILS-FM (Lansing) Progressive/Jazz, duplicates WILS 50 per cent
103.9 WOAP-FM (Owosso) Progressive, separate from WOAP, stereo
Stations originally arranged by city; I arranged them in numerical order
AM Stations
730 WVIC (East Lansing) ABC, Contemporary/Progressive, Spanish 2 hrs., Black 4 hrs. weekly
760 WJR (Detroit) CBS, Variety
870 WKAR (East Lansing) Variety/Contemporary Black/Public Affairs/Religious
1010 WITL (Lansing) Country
1080 WOAP (Owosso) Slovakian 6 hrs., Country/Western 6 1/4 hrs. weekly
1110 WUNN (Mason) Educational/Religious
1240 WJIM (Lansing) NBC, Contemporary
1320 WILS (Lansing) Contemporary
1390 WCER (Charlotte) ABC
1430 WION (Ionia) Middle of Road
1580 WRBJ (St. Johns) Middle of Road, Spanish 10 hrs. weekly
FM Stations
89.5 WCMU-FM (Mt. Pleasant) Classical/fine arts 24 hrs., Spanish 1 hr. weekly, Educational, Religious
90.5 WKAR-FM (East Lansing) Classical/Fine Arts/Public Affairs; program separate from WKAR
91.7 WUOM-FM (Ann Arbor) Fine Arts/Educational
92.1 WRBJ-FM (St. Johns) Easy listening
92.7 WCER-FM (Charlotte) Duplicates WCER 50 per cent
94.9 WVIC-FM (East Lansing) Stereo, duplicates WVIC
97.5 WJIM-FM (Lansing) Standards, separate from WJIM
99.1 WFMK-FM (East Lansing) ABC, stereo, Contemporary
100.7 WITL-FM (Lansing) Country
101.7 WILS-FM (Lansing) Progressive/Jazz, duplicates WILS 50 per cent
103.9 WOAP-FM (Owosso) Progressive, separate from WOAP, stereo