wiki.mbirth.de/know-how/misc/_posts/2010-03-12-nasa-roger-beep.md

---
created: 2008-08-11 01:30:57 +0200
language: en
layout: redirect
layout_old: default
redirect_to: https://blog.mbirth.de/archives/2008/08/11/nasa-roger-beep.html
tags:
- know-how
- miscellaneous
- audio
- space
title: NASA Roger Beep
toc: false
updated: 2010-03-12 19:32:32 +0100
---

The "Roger" beep after transmissions from Space missions is @ 2475 Hz for 250 ms. According to [everything2](http://everything2.com/e2node/Roger%2520beep),
there should be a pre-transmission tone @ 2525 Hz for 250 ms. They are called [Quindar tones](http://en.wikipedia.org/wiki/Quindar_tones).
Added know-how/misc category. 2015-03-05 23:21:31 +00:00			`---`
			`created: 2008-08-11 01:30:57 +0200`
Add redirect to new site. 2022-01-23 17:14:59 +00:00			`language: en`
			`layout: redirect`
			`layout_old: default`
			`redirect_to: https://blog.mbirth.de/archives/2008/08/11/nasa-roger-beep.html`
Added know-how/misc category. 2015-03-05 23:21:31 +00:00			`tags:`
Add redirect to new site. 2022-01-23 17:14:59 +00:00			`- know-how`
			`- miscellaneous`
			`- audio`
			`- space`
			`title: NASA Roger Beep`
			`toc: false`
			`updated: 2010-03-12 19:32:32 +0100`
Added know-how/misc category. 2015-03-05 23:21:31 +00:00			`---`
Add redirect to new site. 2022-01-23 17:14:59 +00:00
Added know-how/misc category. 2015-03-05 23:21:31 +00:00			`The "Roger" beep after transmissions from Space missions is @ 2475 Hz for 250 ms. According to [everything2](http://everything2.com/e2node/Roger%2520beep),`
Add redirect to new site. 2022-01-23 17:14:59 +00:00			`there should be a pre-transmission tone @ 2525 Hz for 250 ms. They are called [Quindar tones](http://en.wikipedia.org/wiki/Quindar_tones).`