PSN-L Email List Message

Subject: Re: And Now A Simple Question
From: "Geoffrey" gmvoeth@...........
Date: Fri, 1 Jan 2010 10:27:37 -0700

I used to have fortran source code for the very program that generates these 91 files
if anyone is interested and they are not still offered online Id be happy to dig
my old archives and post or email you a copy.
It generates a text list of times for whatever phase.
If I remember correctly.
Back in the 1990s I played with this a bit since there was
no winquake that I knew of to play with.
I used to just look at my gram then goto the text and compare
the two for distances.

----- Original Message ----- 
From: "Larry Cochrane" 
Sent: Thursday, December 31, 2009 1:46 PM
Subject: Re: And Now A Simple Question

> Hi Jerry,
> The JB and IASP91 tables are different travel time models of the earth. I think the 
> IASP91 table is newer so it might be more accurate.
> Regards,
> Larry Cochrane
> Redwood City, PSN
> GPayton wrote:
>> After the recent "high level" discussions, I would like to present one at MY 
>> intelligence level. (NO puns, please)
>> Please tell me the significant differences in using the JB vs. the IASP91 
>> tables?
>> Given a chosen event, switching between tables will result in different 
>> times, distances and etc.  How do I know WHICH to use in WinQuake.
>> Thanks,
>> Jerry 
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