Hi Jerry,  I can tell you what I do for Q.2
1  I note the event time and use it as the beginning time, or there =
about, As opposed to looking at the trace and blotting a bit to the =
left.   The reason I use this for the beginning, is because sometime if =
I don't I will unknowing cut off the p and s.    You may look at a trace =
and think you have it all copied, but you may only be seeing the longer =
frequencies, and miss the P .
2 Another rule I use is if I wish to compare my trace with someone =
else's.   For that I try to copy the same beginning and end that they =
used.   If they started at 10:05 and ended at 11:05 I use the same.
3 If neither of these things are factors, I try simple to center the =
trace, leaving 10 or 15 mins, if front of and behind trace.   Not very =
scientific, but I like to see the signature more or less centered.

Ted
  ----- Original Message -----=20
  From: GPayton=20
  To: PSN Network List=20
  Sent: Friday, February 26, 2010 8:04 AM
  Subject: Help me LEARN


  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.

  So!  Question:

      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?

      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?

  Thanks & Best regards,







Hi Jerry,  I can tell you what I =
do for=20
Q.2
1  I note the event time and use =
it as the=20
beginning time, or there about, As opposed to looking at the trace and =
blotting=20
a bit to the left.   The reason I use this for the beginning, =
is=20
because sometime if I don't I will unknowing cut off the p and=20
s.    You may look at a trace and think you have it =
all=20
copied, but you may only be seeing the longer frequencies, and miss the =
P=20
..
2 Another rule I use is if I wish to =
compare my=20
trace with someone else's.   For that I try to copy the same =
beginning=20
and end that they used.   If they started at 10:05 and ended =
at 11:05=20
I use the same.
3 If neither of these things are =
factors, I try=20
simple to center the trace, leaving 10 or 15 mins, if front of and =
behind=20
trace.   Not very scientific, but I like to see the=20
signature more or less centered.
 
Ted

  
----- Original Message ----- 
  From:=20
  GPayton=20
  
  
To: PSN Network List 
  
Sent: Friday, February 26, 2010 =
8:04=20
  AM
  
Subject: Help me LEARN
  


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