For Amateurs worldwide to exchange information with W/VE amateurs on the 160-meter band CW only. Starts 2200 UTC Friday, ends 1600 UTC Sunday (December 2 - December 4, 2011). This is a forty-two hour period with no time limitation.
Full info here:
http://www.arrl.org/160-meterCan you sit in front of your rig and listen to diddle-diddle for 42 hours
Could be camouflaged phased 160 M verticals: