locked Windows Title Bar


Hi All

I was wondering what the items in the left side of the Windows Title Bar are ?

My current one is :

JTAlert 2.16.4 VE3JI [~, 17M,DXK,F,#1] (!)

I understand what most of the items are but was wondering what the ... ~ ... F ... and the (!)  are 

thanks Ian VE3JI

Join Support@HamApps.groups.io to automatically receive all group messages.