TERRIERS SATELLITE EXPERIENCING DIFFICULTIES

Matson, Robert (ROBERT.D.MATSON@cpmx.saic.com)
Tue, 18 May 1999 15:45:50 -0700

Hi List,

Here we go again...  I bet NRO is biting its nails over its
upcoming Titan 4B launch, what with the lack of success
the US has had this year in getting operational birds in orbit.
At least the Pegasus launch looked nice last night from
Long Beach, CA... --Rob

> -----Original Message-----
> From:	NASANews@hq.nasa.gov [SMTP:NASANews@hq.nasa.gov]
> Sent:	Tuesday, May 18, 1999 2:10 PM
> To:	undisclosed-recipients
> Subject:	STUDENT-BUILT TERRIERS SATELLITE EXPERIENCING DIFFICULTIES
> 
> Donald Savage
> Headquarters, Washington, DC                       May 18, 1999
> (Phone:  202/358-1547)
> 
> Jim Sahli
> Goddard Space Flight Center, Greenbelt, MD
> (Phone:  301/286-0697)
> 
> Shauna LaFauci or Joan Schwartz 
> Boston University Office of Public Relations
> (Phone:  617/353-2399)
> 
> RELEASE:  99-63
> 
> STUDENT-BUILT TERRIERS SATELLITE EXPERIENCING DIFFICULTIES
> 
>        The TERRIERS satellite, built by students at Boston 
> University and launched this morning, so far has not been able to 
> orient itself so that its solar panels fully face the Sun, 
> according to project managers.  Although this is a potentially 
> serious problem, TERRIERS has been able to operate using its 
> batteries, which have a design capacity of eight hours if they 
> receive no recharging from the Sun. 
> 
>        The spacecraft was successfully launched at 1:09 a.m. EDT 
> this morning from Vandenberg Air Force Base, CA, aboard an Orbital 
> Science Corp. Pegasus rocket.  
> 
>         "It appears from looking at the data that the flight of the 
> Pegasus was normal.  However, we are reviewing that data in detail 
> to be sure that the launch did not contribute to the spacecraft's 
> current problem," said Ray Lugo, NASA launch manager, Kennedy Space 
> Center, FL.
> 
>        The first data from TERRIERS were received at a pass-over 
> ground station at approximately 7:07 a.m. EDT.  That data indicated 
> the mission was proceeding as planned.  The first indication that 
> the spacecraft was not properly oriented to the Sun came at the 
> second pass over the Boston University ground station at 8:38 a.m. 
> EDT.  Controllers sent commands to the spacecraft to aid in 
> acquiring the Sun at the third pass at 10:15 a.m. EDT.  Boston 
> University TERRIERS team members hope to know the results of these 
> commands at the planned pass over the Boston University ground 
> station at 8:14 p.m. EDT tonight.  
> 
> TERRIERS is one of three NASA-funded missions under the Student 
> Explorer Demonstration Initiative (STEDI).  The Universities Space 
> Research Association of Columbia, MD, administers the STEDI program 
> for NASA.  Information about STEDI can be found on the Internet at:  
> http://cass.jsc.nasa.gov/stedi/overview.html .  Information about 
> the TERRIERS project is available at the Boston University web site 
> at:  
>                  http://www.bu.edu/satellite
> 
>        TERRIERS, an acronym for Tomographic Experiment using 
> Radiative Recombinative Ionospheric Extreme ultraviolet and Radio 
> Sources, was launched to help provide a much better understanding 
> of how changes in the ionosphere -- the electrically charged region 
> of the upper atmosphere -- affect global communication systems, 
> satellites, cell phones and pagers.  It was named for the 
> University's mascot, the Boston Terrier.
> 
>                               - end -
>