After first RX test it was clear that an AGC solution should be extremely useful.
Looking for some possible ideas over the internet I have found the N6KR solution used in K1 an KX1 Elecraft
Here an old thread about it http://qrp.kd4ab.org/2003/030114/0057.html
And here a very short snapshot from Elecraft KX1 schematics:
Applied to the 30m RTX we can ensure you it really works fine.
You can listen to the result inside prototype page video