Steve,

Check your TABLES menu and make sure that you use either the IASPEI or 
Teleseismic tables.

Bob
http://apsn.awcable.com


At 04:39 PM 1/2/2005, you wrote:
>Hi Larry,
>I have a question re: Winquake, and the P&S Marker location.  I recorded the
>12/26/04 M9.0 event (along with everybody else) and the later 01/01/05 M6.5
>event off Sumatra.  On both of these, I cannot get the P & S marker
>locations on the record to align with the first arrival of the P and S waves
>at my location.  For each event, Winquake does calculate the distance to my
>location from the epicenter at 15000+ Km.
>
>I am running the WQ version 2.9, if that info helps.  I have very carefully
>checked my timing and event location data plugged into Winquake.  Do you
>have any idea why the P & S calculation seems to be off?
>
>If need be, I can email the two event records to you for your examination.
>
>Thanks,
>Steve Jones
>Huntsville, Alabama
>
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