The ceremony is scheduled to begin at 11 a.m. at Monster Park and will be emceed by ESPN personality Chris Berman.
Among those scheduled to speak are Hall of Famers Joe Montana and Steve Young, former 49ers owner Eddie DeBartolo Jr., former 49ers president Carmen Policy, former San Francisco Mayor Willie Brown, current Mayor Gavin Newsome and Sen. Dianne Feinstein.
A special video tribute prepared by NFL Films will be shown on the scoreboard.
The stage will be set up in "The Catch" end zone and a few thousand chairs will be set up on the field. Any overflow crowd will sit in the stadium seats. Parking will be free.
KNBR-680 will have the event live and commercial-free from 11 a.m.-12:30 p.m., but coverage will start with Gary Radnich at Monster Park at 9 a.m.
Radnich will be joined in the booth by ex-49ers great Brent Jones, and Ralph Barbieri will be on the field conducting interviews with VIPs before the memorial.
Once 11a.m. rolls around, KRON-Channel 4 will have live coverage of the memorial, according to news director Aaron Pero.
Also, the following TV channels say they're going to be streaming coverage of the memorial live on their Web sites: KTVU-Channel 2 (ktvu.com), KPIX-Channel 5 (cbs5.com), KGO-Channel 7 (abc7news.com) and KNTV-Channel 11 (nbc11.com).
As for ESPN or the NFL Network, "We have not heard if they are going to take it or not, as of yet," said Kirk Reynolds, the ex-49ers public relations man who is organizing the memorial.
-One of the Bay Area's all-time great sportswriters, Dave Newhouse, has written a non-sports book about some of his high school classmates from 50 years ago called "old bears." Newhouse will be talking about the book and, perhaps, why the "steroid era" led him to turn in Baseball Writers Association of America card at Kepler's Bookstore, 1010 El Camino Real, Menlo Park, on Thursday at 7:30 p.m.
-Kicking off the one-year countdown to the start of the 2008 Summer Games in Beijing, KNTV-Channel 11 is airing "The Olympic Zone," hosted by Diane Dwyer, on Wednesday at 7:30 p.m.
-The Giants-Dodgers game Wednesday night on FSN drew a 6.43 rating the highest of the year for the network.
-Up to and including Monday night's game, ESPN (or ESPN2) had added nine Giants games after Barry Bonds hit his 754th homer.
Wire services contributed to this report.