17-01-2016, 08:33 PM
The attachment is from Tom Purvis.
The term "flat-line distance" refers to the distance from the (bottom of the TSBD snipers nest, out to the designated point of bullet impact on Elm St).
Or, in terms of the right-triangle diagrams previously provided, the "Base a" measurement.
chris
![[Image: Tom%20Purvis_1.jpg]](http://i140.photobucket.com/albums/r25/123steamn/Tom%20Purvis_1.jpg)
The term "flat-line distance" refers to the distance from the (bottom of the TSBD snipers nest, out to the designated point of bullet impact on Elm St).
Or, in terms of the right-triangle diagrams previously provided, the "Base a" measurement.
chris