It's not equipment failure. I get nothin' but dead air.

4 seconds sound clip from the The Angry Red Planet movie soundboard.

You can hear this line at 00:46:16 in the Blu-ray version of the movie.

Quote context

[...]

- Community mind?

- Yes. Like the inexplicable, mysterious control which keeps a colony of ants functioning in perfect unity back on Earth.

- I got news for you, Professor. I'll take the ants any day.

- Well, we have four days left to find out.

- Isn't your Earth contact a little late?

- Yeah, it is. Over an hour late.

- Try your equipment.

- It's not equipment failure. I get nothin' but dead air.

- Keep your line open and try transmitting.

- This is MR-1 and this is a test transmission.

- It's no use. Our signal keeps bouncing back at us. I can't get through.

- There must be some kind of ionized layer in the Martian atmosphere, keeping those radio waves from going through.

- Yeah, and keeping Earth's reports from reaching us.

[...]