Nice coil solution! And the warning plate on the tower is impressive too. Joe is on 8270.0075 Hz, Stefan usually on 8270.005, myself occasionally on 8270.0025, so 8270.00 is perfectly clear for you.
W4DEX beginning to show up on my spectrogram http://abelian.org/vlf/fbins.shtml#b=100&s=sp peaking at azimuth 100/280 which is correct. Couldn't have come at a better time. It looks a lot better on t