[Psrfits] Proposed (small) changes to PSRFITS definition

[Willem van Straten]

Hi Dick,

LEVSEPN and NSTOT sound like very sensible additions to me.  OBSDESCR also
sounds like a useful way to log the unexpected and anomalous.  Also,
patterns might arise in the use of this free-format text that lead to the
identification of new, useful parameters that are added to the definition
(and can be parsed by automated tools).

Cheers,
Willem



On 2 May 2014 12:32, <Dick.Manchester at csiro.au> wrote:

>  Hi all
>
>  Partly as a result of some discussion about encoding and decoding of
> 2-bit data, George Hobbs has requested that the PSRFITS definition include
> a specification of the digitisation. I'm proposing a new version of the
> definition (v5.4, attached) which includes a parameter "LEVSEPN" in the
> Digitiser Counts table. This is defined as the separation of the
> digitisation thresholds in units of the input rms value. Also at George's
> request, I'm proposing a new binary OBSDESCR table, which is simply
> free-format text where any information related to the observation or the
> processing can be stored, and a new parameter NSTOT in the SUBINT table
> main header, which is the actual number of valid samples in a search-mode
> file (the last subint is often incomplete).
>
>  Please send any comments (using "reply all") on these changes or other
> suggested changes to the definition by Tuesday May 6.
>
>  Regards
>    Dick
>
>
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