For over a year an elusive noise floor of 15 to 20 prevented any real use on 80 and 40 meters.
A bad power supply was located and replaced.
Noise on 80 and 40 now usable for RX.
XE1VP is in the city so 80 meters still a bit high, but will see how it goes.
Having issues with AH-4 coupler and tune with sound card modes.
New tuner en-route, delivery in one week, installation the following week.
System is located at government radio site outside of Guanajuato, MX, so have to schedule access.