If you add a lna you can't tx with that antenna anymore.
It's a good note. I don't do much talking. My forum handle speaks for itself
![Wink ;)](https://www.hfunderground.com/board/Smileys/default/wink.gif)
EDIT:
I had purchased the LNA and injector before I had the discone, height and low-loss feedline. Once I put those all together and heard the improvement, it was like "geez what's the point of this now?"