Proper use of the EU greyline in 160m by W1FVB

Frits (W1FVB) gave a good example of fine tuning of window time, % time tx and pwr TX:
2013-09-08 04:48 W1FVB 1.838066 -27 0 FN44ej 5 G8HUH IO81mg 4992
2013-09-08 04:58 W1FVB 1.838063 -26 0 FN44ej 5 F59706 JN07th 5467
2013-09-08 05:04 W1FVB 1.838063 -24 0 FN44ej 2 F59706 JN07th 5467
2013-09-08 05:06 W1FVB 1.838063 -27 0 FN44ej 2 F59706 JN07th 5467
2013-09-08 05:08 W1FVB 1.838063 -27 0 FN44ej 2 F59706 JN07th 5467 (sunrise)
2013-09-08 05:20 W1FVB 1.838066 -23 0 FN44ej 1 G8HUH IO81mg 4992
2013-09-08 05:26 W1FVB 1.838066 -28 0 FN44ej 1 G8HUH IO81mg 4992
2013-09-08 05:28 W1FVB 1.838067 -25 0 FN44ej 1 G8HUH IO81mg 4992

Thanks Frits to be on air so late for you. I hope to spot soon your 1W as Tom (G8HUH) did!
73, Patrick