(1) Data are not free from instrumental effect, and anybody 
who wish to use any data from this archieve must contact 
M. Yamauchi at IRF-Kiruna (yama@irf)

(2) Making one Viking spectrogram normally takes a day or 
more because of noise reduction etc..  If anyone wish to 
use Viking particle data in this directory and subdirectory 
for public presentation or publication, we (L. Eliasson, 
R. Lundin, I. Sandahl, and M. Yamauchi  at IRF-Kiruna) 
request either co-authorship (one is enough) or to 
acknowledge us depending on how important the data is.

(3) The same rule applies to the other data.  Users of data
from this archieve must contact us for proper co-authorship
or acknowledgement sentense.  PI group names are:

Viking particle:    IRF-Kiruna (contact Yamauchi)
Freja particle:     IRF-Kiruna (PI: Eliasson)
Interball particle: IRF-Kiruna (PI: Sandahl)

Viking/Freja E-field:  KTH (PI: Marklund, contact: Blomberg)
Viking/Freja B-field:  APL (PI: Potemra/Zanetti)
Freja electron (TESP): MPI-Garching (PI: Boehm)
Ulysses EPAC:          MPAe (PI: Keppler)