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details of pulsars discovered in the survey are placed on the www at the time of acceptance of the paper announcing the discoveries , or 18 months after confirmation of the detection , whichever is first .
raw data tapes from the survey are made available for copying two years after recording .
details of pulsars observations which fall into these categories can be found on http://www.atnf.csiro.au/ @xmath0pulsar / psr / pmsurv / pmwww/. there is no observatory - based archive , so access to the data should be negotiated with project pis .
one - bit samples are recorded at a rate of 4 khz for each of the 96 channels per beam .
each 35 minute survey observation with the 13-beam system fills 1.3 gbytes ( @xmath0100 mbytes per beam ) in its raw form .
this is recorded on dlt7000 tapes which hold up to 35 gbytes and cost around us$80 each .
about 3000 such observations will be made in completing the survey , giving a total data set of about 4 tbytes .
our search processing requires 130 hours of cpu time on a sun ultra 1 for each 35 minute observation .
data logs are available on http://www.atnf.csiro.au/@xmath0pulsar / psr / pmsurv / pmwww/. for the multibeam pulsar survey and followup timing projects the pis to contact are andrew lyne ( agl@jb.man.ac.uk ) or dick manchester ( rmanches@atnf.csiro.au ) or fernando camilo ( fernando@astro.columbia.edu ) .
* small requests : * if you want a copy of a single tape or a few individual observations we are happy to copy the data and post you a tape or a cd
. please indicate your preference for media type .    * larger requests : * you would need to come to epping or jodrell bank and copy the data onto your own dlt7000 media .
if you want a copy of the complete survey , you would need to bring a workstation , a dlt7000 tape drive and a drive for the media type of your choice .
* timing data : * processed archives or toas can be made available by ftp , cd or exabyte . for raw data requests the above schemes for small and large requests would apply .
the observing logs on the web site contain grid ids for the centre beam of each 35 minute survey observation . the grid i d @xmath1 where @xmath2 and @xmath3
. the galactic centre has grid i d 5000500 .
the nominal centre positions of the other 12 beams can be determined from the offsets relative to beam 1 given in the table below .
we guarantee to provide software to read the tapes on a sun ultra class workstation .
this software also works on most brands of unix operating systems .
a range of software tools are available on an all care and no responsibility basis .
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it is possible to get access to data and results from the survey earlier by collaborative arrangements . to date
we have embarked on such arrangements with 11 groups and welcome proposals from others .
the parkes multibeam pulsar survey began in 1997 and is now about 50% complete . 
 it has discovered more than 400 new pulsars so far , including a number of young , high magnetic field , and relativistic binary pulsars . 
 early results , descriptions of the survey and follow up timing programs can be found in papers by lyne et al . 
 ( 1999 mnras in press , astro - ph/9911313 ) , camilo et al . 
 ( this volume , astro - ph/9911185 ) , and manchester et al . 
 ( this volume , astro - ph/9911319 ) . 
 this paper describes the data release policy and how you can gain access to the raw data and details on the pulsars discovered .    1.25 in .125 in .25 in