dougsmessageboards.proboards.com/thread/10954/tginpa-pressure-trace-data-thread50b) PN45 N110 35gr 200xtp 11/3/2011
53b) PN45 N110 42gr 225ftx 11/9/2011 A
66b) PN45 N110 43gr 225ftx diff gage factors 12/2/2011 A
67b) PN45 N110 43gr 225ftx 12/3/2011
16e) PN45 n110 27gr 275be 8/15/1912
17e) PN45 n110 30gr 275be 8/15/1912
22f) PN45 N110 30gr 200gr sw HSB 12/8/1912
43H) PN45 N110 28gr 250xtp veg 11/5/1913
65H) PN45 N110 43gr 225ftx vwool 12/20/1913 temp effect(A)
22J) PN45 N110 30gr 32gr 35gr 195bx HSB 12/2/1914
39c) PN45 N110/3031 15/68gr 300remjhp 2/28/2012
28e) PN45 N110/H4198 12/50gr 275be veg 9/13/1912
29e) PN45 N110/H4198 12/50gr 275mh veg 9/13/1912
30e) PN45 N110/H4198 13/50gr 275be veg cold barrel 9/14/1912
31e) PN45 N110/H4198 13/50gr 275be veg 2nd shot 9/14/1912
32e) PN45 N110/H4198 13/50gr 275be veg 3rd shot 9/14/1912
34e) PN45 n110/h4198 15/50gr 275be veg 9/15/1912
61e) PN45 N110/H4198 11/54gr 275be veg 10/10/1912 A
62e) PN45 N110/H4198 12/50gr 275mh veg 10/16/1912
25f) PN45 N110/H4198 12/50gr 275mh @38deg 12/27/1912
26f) PN45 N110/H4198 12/50gr 275be @38deg 12/27/1912
35f) PN45 N110/H4198 12/50gr 275be veg 1/5/1913
38f) PN45 N110/H4198 10/52gr 300xtp(.452) veg 1/25/1913
37g) PN45 N110/H4198 12/50gr 275be veg 5/2/1913
27H) PN45 N110/H4198 10/60gr 310APB full form 10/7/1913 recalc new gage
30J) PN45 N110/H4198 10/50gr 195bx HSB 1/15/1915
5H) PN45 N110/H4198 7-63gr 300rem veg 9-14-13
26g) PN45 N110/I3031 15/68gr 275mh veg 4/25/1913
27g) PN45 N110/I3031 16/72 & 16/75gr 275mh veg 4/26/1913
28g) PN45 N110/I3031 18/72gr 275mh veg 4/26/1913
19I) PN45 N110/I3031 10/67gr 327mh vwool 1/11/1914
20I) PN45 N110/I3031 11/69gr 327mh vwool 1/11/1914
32c) PN45 N110/IMR4350 10/85gr 325ftx 2/24/2012
33c) PN45 N110/IMR4350 11/91gr 325ftx 2/24/2012
34c) PN45 N110/IMR4350 12/93gr 325ftx 2/24/2012
35c) PN45 N110/IMR4350 14/97gr 325ftx 2/25/2012
36c) PN45 N110/IMR4350 14/97gr 325ftx 2/25/2012 A
37c) PN45 N110/IMR4350 10/101gr 325ftx 2/27/2012
38c) PN45 N110/IMR4350 10/106gr 325ftx 2/27/2012
18c) PN45 n110/n120 5/65gr 200sst 1/8//2012
24c) PN45 n110/n120 15/43gr 300rem jhp 2/1/2012 A
59e) PN45 N110/N120 10/52gr 275be veg 10/8/1912
37f) PN45 N110/N120 12/50gr 275be veg 1/25/1913
63I) PN45 N110/N120 10/60gr 250sst veg/wool wads 5/2/1914
As you can see TGinPA has been doing this for more than a hundred years
Older spreadsheet sometimes reverts the dates to pre-millenium time!