I apologize. There was an error in my original post, so I deleted it. The Leader Number section was completely wrong. Again, I apologize. Here is the corrected version. Sorry about that...
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I did a workup on your 595 to see what kinds of things I would be looking for.
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First, here are the "leader numbers" of 595, the numbers that have fallen immediately before 595 in the VA P3 in the past:
038 046 048 069 082 099 160 174 178 193 213 244 269 293 306 309 355 357 362 375 394 438 482 489 502 505 516 543 554 613 632 634 664 676 680 694 700 703 705 723 727 727 741 756 801 872 880 882 885 922 964 967 998
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Second, here are the dates that 595 has fallen:
07/22/1993; Night: 5,9,5
09/11/1993; Night: 5,9,5
03/01/1997; Day: 5,9,5; Night: 3,6,4
06/14/1997; Day: 6,9,4; Night: 5,9,5
02/28/1998; Day: 5,9,5; Night: 9,1,5
05/29/1998; Day: 5,9,5; Night: 1,8,7
02/18/1999; Day: 5,9,5; Night: 5,3,7
06/30/1999; Day: 5,9,5; Night: 0,2,7
06/20/2003; Day: 7,5,6; Night: 5,9,5
03/29/2004; Day: 5,9,5; Night: 5,1,7
11/04/2006; Day: 5,9,5; Night: 4,4,7
08/16/2007; Day: 5,9,5; Night: 8,7,6
07/20/2008; Day: 5,9,5; Night: 9,5,4
05/29/2009; Day: 8,8,5; Night: 5,9,5
08/10/2009; Day: 7,2,7; Night: 5,9,5
10/12/2011; Day: 5,9,5; Night: 3,6,8
02/09/2013; Day: 5,9,5; Night: 9,1,3
04/30/2013; Day: 4,8,9; Night: 5,9,5
Look out for 05/29! LOL. Isn't it funny how often numbers fall on the same date? It's just one of those things.
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And here is a very special list. These are the numbers that have triggered 595 multiple times in the past. The first column is how many days apart the sync occurred. The second column is how many times the sync occurred (two in every case). The third column is the trigger number. And the fourth column is the target number, 595.
9 2 003 595
10 2 892 595
12 2 515 595
13 2 840 595
13 2 953 595
16 2 677 595
17 2 311 595
21 2 677 595
22 2 416 595
25 2 949 595
27 2 120 595
27 2 365 595
29 2 181 595
So, take the fourth sync, 840 and 595, as an example. Here's the chart for their sync:
04/17/2013; Day: 0,1,8; Night: 8,4,0 | 02/14/1997; Day: 8,4,0; Night: 6,4,3
04/18/2013; Day: 0,2,9; Night: 8,4,4 | 02/15/1997; Day: 5,1,5; Night: 9,1,4
04/19/2013; Day: 9,8,1; Night: 8,9,3 | 02/17/1997; Day: 6,1,0; Night: 0,0,0
04/20/2013; Day: 0,6,2; Night: 7,9,9 | 02/18/1997; Day: 9,2,2; Night: 8,9,2
04/21/2013; Day: 7,7,5; Night: 4,3,7 | 02/19/1997; Day: 6,4,9; Night: 3,0,3
04/22/2013; Day: 0,7,3; Night: 0,9,6 | 02/20/1997; Day: 1,4,3; Night: 1,0,2
04/23/2013; Day: 7,2,1; Night: 1,3,9 | 02/21/1997; Day: 5,2,9; Night: 3,8,0
04/24/2013; Day: 9,3,0; Night: 6,4,5 | 02/22/1997; Day: 3,0,7; Night: 6,2,2
04/25/2013; Day: 8,5,7; Night: 0,0,6 | 02/24/1997; Day: 4,6,0; Night: 8,8,7
04/26/2013; Day: 6,2,4; Night: 2,4,2 | 02/25/1997; Day: 5,0,1; Night: 0,0,5
04/27/2013; Day: 2,6,5; Night: 4,2,0 | 02/26/1997; Day: 6,9,5; Night: 6,6,1
04/28/2013; Day: 4,5,1; Night: 6,3,1 | 02/27/1997; Day: 0,7,2; Night: 3,5,5
04/29/2013; Day: 1,1,3; Night: 7,0,1 | 02/28/1997; Day: 6,3,3; Night: 6,6,4
04/30/2013; Day: 4,8,9; Night: 5,9,5 | 03/01/1997; Day: 5,9,5; Night: 3,6,4
13 days apart, as advertised.
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Fourth, my back-check program tries every number one-at-a-time looking for fresh syncs like this. I run it every day. If I see 595 do something noteworthy, I will run the flag up the pole.
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Good Luck! Hope you catch it!