Don Davis, program director at WWDC-FM/AM (101.1/1260), has moved to an album rock station in Chicago. For the time being Dave Brown is doing the programming duties on the FM, Bill Scanlan at the AM . . . Yolanda Gaskins, coanchor of "The Daily Drum" evening news show at WHUR-FM (96.3), has added some free-lance duties at "Evening Magazine" on Baltimore's Channel 13. Gaskins will be doing a weekly report on weekend activities . . .

The National Association of Broadcasters has named Catherine Hughes, general manager at WOL-AM (1450), and Jerry Lyman, president of RKO Radio and former general manager of WGMS-FM/AM (103.5/570), to its task force on audience measurement . . . Bill Kamal has taken on the title of network meteorologist for Mutual Radio and is now doing a second report for its sunrise show, "America in the Morning." He arrives at Channel 9-WDVM at 4 a.m. to do his reports for Mutual, his morning and noon television reports, and then his forecasts for WAVA-FM (105.1) every half-hour from 5:55 to 8:55 a.m. and at 12:20 p.m. At 5:03 p.m. he reports for WINC-FM (92.5) in Winchester. Lite Monies

The grants announced last week by WLTT-FM (94.7) and its philanthropic arm, the Good-Lite Fund, will be given quarterly. The $7,200 is just the first of four series of grants for this year. Saluting . . .

Bach: Eileen Curtis has produced a two-hour special, "The Bach Reader," airing at 9 tonight on WGMS with host Paul Traver, director of the University of Maryland Chorus . . . Easter: WDCU-FM (90.1) will play traditional and contemporary gospel music all day today until midnight Sunday . . . Country heroes: WPKX-FM/AM (105.9/730) is doing an Alabama weekend in anticipation of the group's date at the Capital Centre April 12 . . . A Great Sound: WDJY-FM (100.3) joins the many stations that devoted some time this week marking Marvin Gaye's birthday and death with its own special Sunday from 11 a.m. to noon, anchored by program director Dan O'Neil. Circus Scoops

The reports of the youth correspondents at the current engagement of Ringling Bros. and Barnum & Bailey Circus will be aired Saturday on WUST-AM (1120) at 9 a.m. and WPFW-FM (89.3) at 9:45 a.m.; Sunday on WDJY at 7:55 a.m. and WKYS-FM (93.9) at 8:30 a.m. On Monday at 8:30 p.m. the team will do a 30-minute special on WPFW. The reporters, part of Pyramid Communications Inc. network, include Nicholas Speed, 4, a student at Fort Lincoln Community School; Charles Lewis, 9, a student at Hobson Middle School; and Joy Robinson, 8, a student at Plummer Elementary. And More for Sunday

Karen Henderson, a weekend voice at WMAL-AM (630), has started a 10-minute inspirational music program at 6:05 a.m. . . . Sara Klompus, a psychotherapist, is anchoring "Teen Talk" on WINX-AM (1600) weekly at 10:15 a.m. The 15-minute show is a roundtable discussion on the issues facing adolescents . . . Audrey Chapman, a family therapist, now has a call-in show the first Sunday of each month on WHUR. The topic at 2 p.m. this week: "Cross-Sexual Friendships." Fairfax Dates

Renee Channey of WGMS will be the cohost at a dinner April 12 to kick off the Fairfax Symphony Orchestra's first telethon weekend, which is drawing the support of many local radio personalities. The dinner is at 7 p.m., in the George Mason University ballroom. The telethon, which starts at 1 p.m. April 13, will be hosted by Jon Murphy of WBMW-FM (106.7) from the studios of Fairfax Cable Access Corp. and aired on Media General Cable Channel 30. On Wednesday night at 8 p.m. WETA-FM (90.9) will broadcast a performance by the Fairfax orchestra that was recorded last October at the Kennedy Center. Sign Up

WHFS-FM (99.1) is inviting its listeners to register at Tower Records for the month of April to qualify for personalized and legitimate WHFS license plates . . . WAMU-FM (88.5) has signed up 50 volunteers to advertise the station's call letters on the roofs of their cars for the next week, and is in the midst of a news quiz on "Morning Edition," in which listeners phone in the questions. Until next Friday . . . WHUR is focusing on working women during April, and female listeners can send in a post card to qualify for a trip to Hawaii. Next Friday WHUR will do a remote from Landover Mall from noon to 2 p.m., hosted by Joe Gorman and Linda Reynolds, who will talk to women who work.