The doors are open.

The gate is open now.

All scenarios are open.

Everyone is welcome.

All are invited to attend.

Kill signal

Termination signal

Unknown signal

Reference line

Don't sleep with the windows open.

He kept all the windows open.

You left your lights on.

The rear gate was open.

Tom left the gate open.

It is an open invitation to travel!

It will be an open and international institution.

All are invited to attend.

All are invited to attend.

The name comes from three Latin based words Spectro, referring to the optical spectrum, Helio, referring to the Sun and Scope, as in telescope.

All references to dollars ( ) are to United States dollars.

It says, Africa Open for Business.

Is the university's library open now?

Most of the hotels are open all year round.

An Open Letter to Ehud Olmert

But a window has opened for both sides.

The second task remains open.

That was a useful signal.

You ran a red light.

Marcin Jakubowski Open sourced blueprints for civilization

Jay Bradner Open source cancer research

The case of the missing crew members is still open.

Away from governments, and how OSS is also argued to encourage innovation there, corporates should also adopt OSS.

Gary Lauder's new traffic sign Take Turns

Abort signal from abort(3)

Timer signal from alarm(2)

We must pay attention to the traffic light.

This silence gives a hideous signal.

Stop signs were invented in 1915, yield signs in 1950. But that's all we got.

The analog signal is frequency modulated and is converted from an FM signal to what is referred to as baseband.

protectionism is avoided and markets stay open

Since that time all IETF meetings have been open to the public.

Let us go into this process with our eyes wide open.

It further recommended that follow up could be conducted in open meetings.

User defined signal 1

User defined signal 2