Video File for April 26, 2000
1:50 pm


ALL TIMES EASTERN

No Video File today due to launch of Space Shuttle Mission STS-101
at 3:27 pm


During the Space Shuttle Mission, see

http://spaceflight.nasa.gov/realdata/nasatv/schedule.html

for the latest television schedule



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LIVE TELEVISION EVENT


BOOMERANG NEWS BRIEFING: SATELLITE CHANGE

     Due to the launch delay of STS 101, the BOOMERANG science
briefing, scheduled for 2 p.m. EDT Wednesday, April 26 will not be
carried live on NASA Television.  Instead the briefing will be
broadcast live on the KU-band GE3 satellite, transponder 17,
horizontal polarization, frequency 12040 MHz, audio 6.2 and 6.8
MHz.

     Images from the briefing will be on the satellite at 1:55
p.m. EDT and immediately following the news briefing.

     Media who wish to listen to the briefing on the telephone can
call toll-free: 800/369-1775; passcode: Boomerang.  The phone
lines will open at 1:45 p.m. EDT and will be open through the
duration of the news briefing.  A live webcast of the briefing
will be available on:

                   
Home Page


     Reporters may attend the briefing at the James E. Webb
Auditorium at NASA Headquarters, 300 E St., SW, Washington, DC.
There will not be question-and-answer capability from NASA
Centers.

     BOOMERANG (Balloon Observations of Millimetric Extragalactic
Radiation and Geophysics) obtained the first detailed images of
the early universe using an extremely sensitive telescope
suspended from a balloon that circumnavigated the Antarctic for 10
1/2 days during December 1998 and January 1999.

     The BOOMERANG project is supported by NASA, the National
Science Foundation and the Department of Energy in the United
States; by the Italian Space Agency, the Italian Antarctic
Research Programme and the University of Rome La Sapienza in
Italy; and by the Particle Physics and Astronomy Research Council
in the United Kingdom.  The 36 team members come from 16
universities and organizations in the United States, Italy, United
Kingdom and Canada.

Contact at NASA Headquarters, Washington, DC:  Dolores Beasley
(Phone: 202/358-1753).
Contact at National Science Foundation, Arlington, VA:  Amber
Jones (Phone: 703/306-1070).
NOTE TO EDITORS:  N00-19

                  -end of note to editors -



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TV Producers:

Please note all times, unless otherwise noted, are Eastern Time.

This heads-up announces our most current line-up of stories on
NASA's daily Video File feed. As we try to provide you the best,
most current service possible, THE LINE-UP MAY CHANGE THROUGHOUT
THE DAY.

Any CHANGES TO THE LINE-UP WILL APPEAR ON THE NASA VIDEO FILE
ADVISORY on the web at ftp://ftp.hq.nasa.gov/pub/pao/tv-
advisory/nasa-tv.txt

WE UPDATE THE ADVISORY THROUGHOUT THE DAY.

The NASA Video File normally airs at noon, 3:00 p.m., 6:00 p.m.,
9:00 p.m. and midnight Eastern Time.

NASA Television is available on GE-2, transponder 9C at 85 degrees
West longitude, with vertical polarization. Frequency is on 3880.0
megahertz, with audio on 6.8 megahertz.

For general questions about the video file call NASA Headquarters,
Washington, DC: Ray Castillo 202/358-4555 or Fred Brown 202/358-
0713.



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