sky wave

Thus it attracted a wave of cowboy operators to fly passengers and cargo between cities.
Who Will Get AsiaAir 8501’s Black Boxes?|Clive Irving|December 30, 2014|DAILY BEAST
There have been previous waves of people moving to Texas, and we are now experiencing the latest wave.
Will Texas Stay Texan?|David Fontana|December 29, 2014|DAILY BEAST
They looked up into the blue sky as the helicopters flew over in a lost man formation.
Choking Back Tears, Thousands of Cops Honor Fallen Officer Ramos|Michael Daly|December 28, 2014|DAILY BEAST
Where these laser-like missiles are falling out of the sky onto a city and you have to stop each of them from hitting the targets?
Coffee Talk with Ethan Hawke: On ‘Boyhood,’ Jennifer Lawrence, and Bill Clinton’s Urinal Exchange|Marlow Stern|December 27, 2014|DAILY BEAST

The army has since conducted a brutal wave of jailings against activists and journalists.
Behind Bars for the Holidays: 11 Political Prisoners We Want to See Free In 2015|Movements.Org|December 25, 2014|DAILY BEAST
But to wave this discourse of Heathens, how many self-contradicting principles are there held among Christians?
The Life and Most Surprising Adventures of Robinson Crusoe, of York, Mariner (1801)|Daniel Defoe
It was the darkest hour of twilight, when there was just enough of gleam from the lurid sky, to shew the outline of objects.
The Pastor's Fire-side Vol. 3 of 4|Jane Porter
The wave-like movement of these animals is particularly graceful and cleverly done.
Women in the fine arts, from the Seventh Century B.C. to the Twentieth Century A.D.|Clara Erskine Clement
He had seen through a powerful naval glass some figures standing erect and silhouetted against the sky on the parapet.
Gallipoli Diary, Volume I|Ian Hamilton
If it should ever be my lot to take the Long Trail at short notice, I hope it will be under a blue sky and a blazing sun.
Raw Gold|Bertrand W. Sinclair

British Dictionary definitions for sky wave

sky wave

noun

a radio wave reflected back to the earth by the ionosphere (ionospheric wave), permitting transmission around the curved surface of the earthCompare ground wave

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012