Hi,

> I was trying with the TVRX and it didn't work. Either my stupidity to use GNU
> Radio, a bad antenna, lack of tetra in my area. I plan to get back to this
> after my vacation.

I know some people on the gnuradio list used to report pretty high phase noise with the TVRX ( the first version ), so that may be related.
If try and you still have trouble, I could try it myself with my TVRX (I know I have good tetra signal here).

Cheers,

Sylvain