Here are Arbitron's Chicagoland rankings for spring 1999, followed by average share of listeners age 12 and older from 6 a.m. to midnight Monday through Sunday (vs. winter share):

1. WGCI-FM (107.5), 6.7 (6.7)
Tie: WGN (720), 6.7 (5.8)
3. WBBM-FM (96.3), 5.3 (4.4)
4. WLS (890), 4.6 (5.0)
5. WNUA (95.5), 4.4 (4.1)
6. WVAZ (102.7), 4.2 (4.1)
7. WKQX (101.1), 4.0 (3.4)
8. WLIT (93.9), 3.9 (3.4)
9. WTMX (101.9), 3.4 (3.8)
Tie: WUSN (99.5), 3.4 (2.9)
11. WUBT (103.5), 3.3 (3.6)
12. WBBM (780), 3.2 (3.8)
13. WLUP (97.9), 2.9 (2.6)
14. WJMK (104.3), 2.8 (2.9)
15. WXRT (93.1), 2.7 (2.3)
16. WNND (100.3), 2.6 (2.7)
17. WCKG (105.9), 2.5 (2.4)
18. WLEY (107.9), 2.4 (2.6)
19. WXCD (94.7), 2.2 (2.0)
20. WMAQ (670), 2.1 (2.0)
21. WOJO (105.1), 1.9 (2.4)
xx. WBEZ (91.5), 1.7 (??)
22. WAIT (850), 1.6 (1.5)
23. WFMT (98.7), 1.2 (1.4)
24. WGCI (1390), 1.1 (1.1)
Tie: WNIB (97.1), 1.1 (1.6)
Tie: WSCR (1160), 1.1 (1.5)
27. WKIE (92.7), 0.9 (0.9)
Tie: WVON (1450), 0.9 (0.6)
29. WLXX (1200), 0.7 (0.8)
30. WCGO (1600), 0.6 (--)
31. WCCQ (98.3), 0.5 (0.5)
Tie: WIND (560), 0.5 (0.6)
Tie: WYBA (106.3), 0.5 (0.4)
Tie: WYCA (92.3), 0.5 (0.5)
Tie: WMVP (1000), 0.5 (0.4)
36. WIIL (95.1), 0.4 (0.5)
Tie: WZSR (105.5), 0.4 (0.4)
38. WDEK (92.5), 0.3 (--)
Tie: WRZA (99.9), 0.3 (0.4)
Tie: WXXY (103.1), 0.3. (0.2)

AM Drive
1. WGN, Bob Collins, 10.3 [9.0]
2. WGCI-FM, "Crazy" Howard McGee, 5.1 [5.3]
Tie: WKQX, Mancow Muller, 5.1 [4.0]
4. WBBM, Felicia Middlebrooks and Ken Herrera, 5.0 [5.7]
5. WLS, Don Wade and Roma, 4.7 [5.3]
6. WBBM-FM, Ed Volkman and Joe Bohannon, 4.1 [4.6]
Tie: WCKG, Howard Stern, 4.1 [3.7]
8. WTMX, Eric Ferguson and Kathy Hart, 4.0 [4.1]
9. WNUA, Ramsey Lewis and Karen Williams, 3.9 [3.3]
10. WVAZ, Tom Joyner, 3.8 [4.1]

Middays
1. WLS, Dr. Laura Schlessinger; Rush Limbaugh, 5.7 [6.5]
2. WLIT, Margo Johnson, 5.2 [4.7]
3. WNUA, Rick O'Dell, 5.1 [4.8]
4. WGN, Kathy O'Malley and Judy Markey; John Williams, 5.0 [4.7]
5. WGCI-FM, Irene Mojica; Jeanne Sparrow, 4.9 [5.5]
6. WTMX, Brian Peck, 4.4 [4.7]
7. WBBM-FM, Brian Middleton, 3.8 [3.4]
Tie: WUBT, CoCo Cortez, 3.8 [4.2]
9. WKQX, Robert Chase, 3.7 [2.9]
10. WVAZ, Shirley Hayes, 3.6 [3.4]

PM Drive
1. WGCI-FM, Rick Party, 6.9 [7.2]
2. WBBM-FM, Terry Foxx, 6.1 [6.0]
3. WLS, Roe Conn and Garry Meier, 5.2 [5.0]
4. WGN, Spike O'Dell, 5.0 [4.8]
5. WLIT, Megan Reed, 4.2 [3.7]
Tie: WNUA, Loni Taylor, 4.2 [4.1]
7. WVAZ, John Monds and Bonnie DeShong, 4.0 [3.6]
8. WKQX, Sludge, 3.9 [3.5]
9. WCKG, Steve Dahl 3.5 [3.4]
Tie: WTMX, Dave Fogel, 3.5 [3.9]
Tie: WUSN, John Howell, 3.5 [3.0]

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