PSN-L Email List Message

Subject: Re: Help me LEARN
From: =?ISO-8859-1?Q?J=F3n_Fr=EDmann?= jonfr@.........
Date: Fri, 26 Feb 2010 18:11:36 +0000

Hi Jerry,

I am used to record local events. I usally record 5 min worth of data
for events up to 600 km away. For 601 to 2000 km I usally record around
worth of 10 min data. Anything of more distance I use 40 min. But I
usually estimate the data needed pr.earthquake.

J=F3n Fr=EDmann.

On f=F6s, 2010-02-26 at 09:04 -0600, GPayton wrote:
> After reading many posts on the PSN Net, it is obvious that I know
> very little as compared to MANY of you out there.   I am often
> embarrassed to ask a question and turn to the books to try to resolve
> my question(s).  Even at that, many time I fall short.
> =20
> So!  Question:
> =20
>     1)    Today's trace of the 3.1 event in Oklahoma  displays
> in WinQuake that both the Pb & Sb were seconds BEFORE the P & S times.
> To me, that seems like I get a bouncing ball BEFORE I actually drop
> it!  What did I do wrong?  Is this a matter of the "tables" being off?
> Or, am I wrong in assuming it is incorrect?
> =20
>     2)    Another "pause" that I have when using WinQuake of any event
> is HOW LONG to plot it.  Obviously, a local event would be short, a
> regional would be a little longer and a teleseismic may be over an
> hour.  But, I was wondering IF there was a rule-of-thumb time that you
> experienced people use?
> =20
> Thanks & Best regards,
> Jerry


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