PSN-L Email List Message

Subject: Re: EMAIL ADDRESS TO REPORT A QUAKE
From: "JAMES C. ALLEN" jcallen1@...........
Date: Mon, 17 Oct 2005 19:34:58 -0700


Can someone provide me with the email address to report a quake on Larry's 
server?
Can someone provide me with the working address to include in the network 
lookup table of WinQuake for the NEIC?
Thanks
James Allen
----- Original Message ----- 
From: "Larry Cochrane" 
To: 
Sent: Saturday, October 15, 2005 12:53 PM
Subject: Re: Status of the PSN file format / capacitive measurements


> Hi Rene,
>
> I can answer your first questions. The PSN 3/4 file format is not 
> proprietary, so it can be used by any application and WinQuake is not 
> open-sourced.
>
> Regards,
> Larry Cochrane
> Redwood City, PSN
>
>> Hi list,
>>
>> 2 Questions:
>>    I'd like to know how 'official' the PSN file format is. It is well 
>> described, and i'd like to let my measurement equipment also output a PSN 
>> file. However, i only seen a few applications that use it (winquake etc), 
>> which is a (semi?) commercial/paid application. However, the file format 
>> seems standard in the PSN network, so i like to comply to that standard. 
>> Is PSN3/4 file format a propierity standard or can it also freely be used 
>> by other aplications, and/or is it considered the winquake applications 
>> to be open-sourced?
>>
>>   Is there any documentation on using capacitive measurements instead of 
>> the coil based ones? So far i saw all lehman-typed instruments equiped 
>> with a pickup coil. With my testing equipment i used two capacitor 
>> plates, each about 30cm2 large, at about 3-5 mm of eachother. On that is 
>> an variabele oscillator attached, with pulse counting i determinate 
>> position of the arm with reasonable success but no hard data on 
>> resolution. I am wondering if there ary any known disadvantages of such 
>> setup, i think it is suitable to build a Shackleford-Gundersen type this 
>> way as well.
>>
>> kind regards,
>>
>> rene
>>
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>
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>
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>
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