was looking at this post, specifically

DVT

Nov 24 2017 01:55:52 (EST)

yes1_yes2_yes3^_cDVT-089bT_AD_Conf

Godspeed.

Q

DVT is in utube posted 6 times by Q

then this article about 3 letter codes used by engineers

https://www.instrumental.com/blog/2016/11/14/hardware-engineers-speak-in-code-evt-dvt-pvt-decoded