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section3-7.txt
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SDDAS - Southwest Research Data Display & Analysis System
_A_d_d_r_e_s_s:
Southwest Research Institute (SwRI)
Division of Instrumentation and Space Sciences
P.O. Drawer 28510
San Antonio, TX 78228-0510
_E_m_a_i_l: sddas-help@swri.edu
_P_h_o_n_e: (512) 522-3259
_D_e_s_c_r_i_p_t_i_o_n
The SDDAS maintains a large optical disk database of data
returned by the Dynamics Explorer satellites 1 & 2. It pro-
vides interactive tools for displaying this data in various
ways and selected subsets may be acquired via anonymous FTP.
This data is primarily used by those doing research in space
physics, magnetospheric physics, and the dynamics of the
upper atmosphere. The measurements are classified as fol-
lows: DC magnetic field; AC electric field; particles; elec-
tron and ion ionospheric temperature and density; ion compo-
sition and drift; thermal neutral drift, composition, den-
sity, and temperature.
_N_e_t_w_o_r_k _A_c_c_e_s_s
Access is made via TELNET to espsun.space.swri.edu using
port 10000. One may also request a private account if
extensive use is projected. NASA sponsored investigators may
access this system through the NASA Master Directory on host
nssdca.gsfc.nasa.gov. X-window system servers are supported
for graphical displays.
_W_h_o _C_a_n _U_s_e _S_D_D_A_S
A potential user must receive verbal authorization from Dr.
J. D. Winningham (512-522-3075 or dwinningham@swri.edu)
before making use of this resource. A User's Guide will be
_________________________
The information in this section is provided in accor-
dance with the copyright notice appearing at the front
of this guide.
April 17, 1992 NNSC Section 3.7, Page 1
sent to each authorized user. There are no restrictions
on who may use this system, except that credit must be given
in any publications that result from its use. There is
also a limit of 8 users at any one time.
_M_i_s_c_e_l_l_a_n_e_o_u_s
A detailed list of the data holdings may be requested from
sddas-help@swri.edu. The database server is a SUN
SPARCserver 330, soon to be upgraded with additional CPUs.
The SDDAS software is available to qualified users for
installation on their own workstations. Immediate plans
involve the addition to the archive of particle and field
measurements from the Upper Atmosphere Research Satellite.
April 17, 1992 NNSC Section 3.7, Page 2