To ensure adequate line-of-sight clearance, between.    From Wordnik.com.  [FM 7-91 Chptr 3 Employment/ Antiarmor Platoon]

Perfect line-of-sight from my roof to their antenna.    From Wordnik.com.  [stonetable.org » Broadbrand Bliss] Reference

I noted line-of-sight as an item needing improvement.    From Wordnik.com.  [Alfred Hitchcock's Mystery Magazine]

The way radar works, it's a line-of-sight transmission.    From Wordnik.com.  [CNN Transcript - Breaking News: U.S. Military Searching for Missing Cuban Plane - September 19, 2000] Reference

Radar is "line-of-sight" and cannot see over the horizon.    From Wordnik.com.  [NORAD: Current Operations and Future Plans] Reference

"Yeah, but laser beams are line-of-sight," Brandy reminded him.    From Wordnik.com.  [Phule me twice]

The radio frequencies used provided only line-of-sight communication.    From Wordnik.com.  [Apollo Communications] Reference

And just like a WiFi AP, they needed to be up high and line-of-sight.    From Wordnik.com.  [Boing Boing: February 23, 2003 - March 1, 2003 Archives] Reference

I didn't see him eat, as my bar was tucked away out of line-of-sight.    From Wordnik.com.  [Bar Talk] Reference

Try and stay out of his line-of-sight when you can't avoid the practices.    From Wordnik.com.  [Magic's Promise]

Word is they have hand-held radios but they're only good for line-of-sight.    From Wordnik.com.  [Firestorm]

Additionally, Bluetooth doesn't require line-of-sight with the transmitter.    From Wordnik.com.  [CES 2011: Samsung joins the Smart TV set, adds inches to TV lines] Reference

An NBA spokesman said statisticians always have good line-of-sight at games.    From Wordnik.com.  [The NBA's Most Misleading Number] Reference

"Infrared only travels so far, it's pretty much line-of-sight," Gaskins says.    From Wordnik.com.  [IT asset tracking system combines RFID, infrared for rack-level identification] Reference

I believe the range today is only 10s of meters line-of-sight with this technology.    From Wordnik.com.  [Wireless Broadband Races to 12.5 Gbps With Microwaves] Reference

Such areas would be in sunlight, with a line-of-sight link to Earth all year round.    From Wordnik.com.  [Wanted: Home-Builders for the Moon | Impact Lab] Reference

Jerry, don't disconnect either the receiver or the line-of-sight till I give the word.    From Wordnik.com.  [The Worlds Of Robert A Heinlein]

Louis suspected that that was illusion, for the two objects were almost in line-of-sight.    From Wordnik.com.  [A Hole In Space]

Shana and Ke-man were nowhere in sight, but at least they were nowhere in his line-of-sight.    From Wordnik.com.  [Elvenborn]

It provides two-way communications in both line-of-sight (mobile) and satellite (at-halt) modes.    From Wordnik.com.  [FM 7-85 Chapter 1 Introduction]

All but the last call were on the same line-of-sight frequency that had already proved unavailing.    From Wordnik.com.  [William Langewiesche on the Amazon air crash] Reference

Airport security was admirably tight, but she ought to be in line-of-sight contact with her subject.    From Wordnik.com.  [License Invoked]

She settled herself into a bench in the corner of the room, out of direct line-of-sight of the stairs.    From Wordnik.com.  [The Lark And The Wren]

There wasn't much of a line-of-sight, but scent would hold and cling until the next rain washed it away.    From Wordnik.com.  [The Silver Gryphon]

Castor looked around; aside from two tractor trucks in the distance no one seemed to be in line-of-sight.    From Wordnik.com.  [The Rolling Stones]

It's amazing when you get here, your line-of-sight is literally covered or obstructed by most of these waves.    From Wordnik.com.  [CNN Transcript Mar 25, 2007] Reference

It wasn't until Vanyel actually came into his line-of-sight that he had realized who and what had caught him.    From Wordnik.com.  [Magic's Price]

Shaiknam's second-in-command spoke from out of Aubri's line-of-sight, but there was no doubt of where he was.    From Wordnik.com.  [The Black Gryphon]

More heavy steps, a shadow passed over Dalian's hiding place, and the man stepped into Darian's line-of-sight.    From Wordnik.com.  [Owlflight]

They would be able to get within a couple of kilometers of the base before we got any clear line-of-sight of them.    From Wordnik.com.  [The Forever War]

The living quarters and administration facilities were all underground, to protect them from line-of-sight weapons.    From Wordnik.com.  [The Forever War]

With extra frequencies, it will work even better, as far as distance, line-of-sight issues and obstacle penetration go.    From Wordnik.com.  [OpEdNews - Quicklink: Free Some TV Analog Spectrum for Free Public Use -- MUST READ] Reference

He took her down one of the paths to a stone bench'still within sight of the terrace, but not a straight line-of-sight.    From Wordnik.com.  [Phoenix And Ashes]

With extra frequencies, it will work even better, as far as distance, line-of-sight issues and obstacle penetration go. '.    From Wordnik.com.  [OpEdNews - Quicklink: Free Some TV Analog Spectrum for Free Public Use -- MUST READ] Reference

When the surveying instrument is sighted on the rod, the target is moved up or down until it is centered on the line-of-sight.    From Wordnik.com.  [1.1 The role and purpose of irrigation] Reference

If line-of-sight clearance is less than 30 inches, the probability of the missile hitting the ground or an obstruction is increased.    From Wordnik.com.  [FM 7-91 Chptr 3 Employment/ Antiarmor Platoon]

As luck would have it, it was a round-dance, and eventually the figures brought the hat, and its owner, into Alberichs line-of-sight.    From Wordnik.com.  [Exile's Valor]

Monster claims using RF technology helps improve interference rejection, and RF doesn't have the same line-of-sight requirements as IR.    From Wordnik.com.  [Monster Cable readies "universal" 3D glasses] Reference

It works for cars on the road because they are inherently lined up with each other, giving them perfect line-of-sight communication paths.    From Wordnik.com.  [Fighting Traffic Jams With Data] Reference