http://sports.groups.yahoo.com/group/NBA_Broadcasting_Database/

NBA NETWORK TELEVISION CONTRACTS
Seasons

Station

Contracts Amount
1953-54

DUMONT

$39,000/13 games
1954-55 to 1961-62

NBC

N/A
1962-63 to 1972-73

ABC

N/A
1973-74 to 1975-76

CBS

$27 million/3 years
1976-77 to 1977-78

CBS

$21 million/2 years
1978-79 to 1981-82

CBS

$74 million/4 years
1982-83 to 1985-86

CBS

$91.9 million/4 years
1986-87 to 1989-90

CBS

$173 million/4 years
1990-91 to 1993-94

NBC

$601 million/4 years
1994-95 to 1997-98

NBC

$892 million/4 years
1998-99 to 2001-02

NBC

$1.616 billion/4 years
2002-03 to 2007-08

ABC/ESPN

$2.4 billion/6 years