[teqc] Decimating high rate data on linux 2005Dec16 release

Matt King M.A.King at newcastle.ac.uk
Mon Mar 13 07:42:39 MST 2006


Lou

I don't have the raw data, nor previous linux releases, so can you email
me seperately the linux binary for say the 2005nov4 release?

Thanks,

Matt King
http://www.staff.ncl.ac.uk/m.a.king/  

>-----Original Message-----
>From: teqc-bounces at ls.unavco.org 
>[mailto:teqc-bounces at ls.unavco.org] On Behalf Of Lou Estey
>Sent: 13 March 2006 14:39
>To: teqc support
>Subject: Re: [teqc] Decimating high rate data on linux 
>2005Dec16 release
>
>Matt,
>
>> Have run into a problem relating to decimation of some .5s 
>data using 
>> the latest development release of teqc
>> 
>> Teqc +meta gppr3240.05o
>> Gives
>> file size (bytes):       14551288
>> start date & time:       2005-11-20 22:13:25.500
>> final date & time:       2005-11-21 00:00:12.993
>> 
>> Using 2005dec16 release
>> ./teqc -O.dec 15 gppr3240.05o > ! tmp
>> Gives
>> file size (bytes):       28689
>> start date & time:       2005-11-20 22:13:30.000
>> final date & time:       2005-11-20 22:19:15.000
>> 
>> 
>> Using 2005Nov4 release and the same command I get
>> file size (bytes):       972234
>> start date & time:       2005-11-20 22:13:30.000
>> final date & time:       2005-11-20 23:59:59.993
>
>Yes, a known problem with that release due to a change I put 
>in on 15 Dec.  That version will decimate up to the first 
>millisecond reset in the rx time tag and then stop.
>If you are starting with raw data, the workaround is to 
>translate with `+smtt` and then the decimation will work fine. 
> If you only have RINEX, then you have to backtrack to an 
>earlier version of teqc.
>
>--lou
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