PSN-L Email List Message

Subject: Re: New WinQuake Beta Release
From: John & Jan Lahr johnjan@........
Date: Sun, 26 Jan 2003 08:44:31 -0700

Hi Larry,

Sounds like a lot of helpful new features for WinQuake.

In your magnitude calculations, do you account for the variation
in overall gain between ~1s P waves for mb and ~ 20 s surface
waves for MS?  To a first approximation if the gain of the system
were know at these two frequencies, that would be enough for
rough magnitude determinations.

AmaSeis does not write the new PSN Type 4 format now.
What would be the advantages of making this change?  Can
the old format be converted to Type 4 and then the file augmented
with additional data, or does the change need to be made
in AmaSeis?

John Lahr
At 04:19 AM 1/26/2003, you wrote:
>I've released a new beta version of WinQuake, see this page for a download
>link and release notes:


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