![A pair of musicians uses Quindar tones to create a musical tribute to space travel | The World from PRX A pair of musicians uses Quindar tones to create a musical tribute to space travel | The World from PRX](https://media.pri.org/s3fs-public/styles/open_graph/public/story/images/Quindar-Brackbill4.jpg?itok=qQa4VPWg)
A pair of musicians uses Quindar tones to create a musical tribute to space travel | The World from PRX
![Miscellaneous Signals - Quindar Tones [Transmission Start/Stop] 1000 Cycles [TV Testcard,Pilot Tone, Et Cetera] Musician's A [440HZ] SMPTE Code [25 FPS] DIN Sync [125 BPM] | Jonas Olesen | BIN Miscellaneous Signals - Quindar Tones [Transmission Start/Stop] 1000 Cycles [TV Testcard,Pilot Tone, Et Cetera] Musician's A [440HZ] SMPTE Code [25 FPS] DIN Sync [125 BPM] | Jonas Olesen | BIN](https://f4.bcbits.com/img/a3321539297_10.jpg)
Miscellaneous Signals - Quindar Tones [Transmission Start/Stop] 1000 Cycles [TV Testcard,Pilot Tone, Et Cetera] Musician's A [440HZ] SMPTE Code [25 FPS] DIN Sync [125 BPM] | Jonas Olesen | BIN
![Stream NASA Quindar tones as heard in Apollo 11 audio recordings by Output Channel | Listen online for free on SoundCloud Stream NASA Quindar tones as heard in Apollo 11 audio recordings by Output Channel | Listen online for free on SoundCloud](https://i1.sndcdn.com/artworks-000139839153-kl63cc-t500x500.jpg)
Stream NASA Quindar tones as heard in Apollo 11 audio recordings by Output Channel | Listen online for free on SoundCloud
![Quindar Tones were a means of in-band signaling for remote transmitted... | Download Scientific Diagram Quindar Tones were a means of in-band signaling for remote transmitted... | Download Scientific Diagram](https://www.researchgate.net/profile/Abhijeet-Sangwan-2/publication/246547023/figure/fig1/AS:669482976555019@1536628588727/Apollo-audio-data-reflects-the-complex-interaction-between-mission-personnel-Astronauts_Q320.jpg)
Quindar Tones were a means of in-band signaling for remote transmitted... | Download Scientific Diagram
![Quindar Tones were a means of in-band signaling for remote transmitted... | Download Scientific Diagram Quindar Tones were a means of in-band signaling for remote transmitted... | Download Scientific Diagram](https://www.researchgate.net/publication/246547023/figure/fig2/AS:669482976563208@1536628588767/Quindar-Tones-were-a-means-of-in-band-signaling-for-remote-transmitted-keying-and-release.png)
Quindar Tones were a means of in-band signaling for remote transmitted... | Download Scientific Diagram
![nasa - Why were the two Quindar tones so close in frequency and not apodized? - Space Exploration Stack Exchange nasa - Why were the two Quindar tones so close in frequency and not apodized? - Space Exploration Stack Exchange](https://i.stack.imgur.com/NIK4s.png)
nasa - Why were the two Quindar tones so close in frequency and not apodized? - Space Exploration Stack Exchange
![Quindar Tones were a means of in-band signaling for remote transmitted... | Download Scientific Diagram Quindar Tones were a means of in-band signaling for remote transmitted... | Download Scientific Diagram](https://www.researchgate.net/profile/Abhijeet-Sangwan-2/publication/246547023/figure/fig2/AS:669482976563208@1536628588767/Quindar-Tones-were-a-means-of-in-band-signaling-for-remote-transmitted-keying-and-release_Q320.jpg)
Quindar Tones were a means of in-band signaling for remote transmitted... | Download Scientific Diagram
![Stream episode Curio: Quindar tones and talking in space by Brains On! podcast | Listen online for free on SoundCloud Stream episode Curio: Quindar tones and talking in space by Brains On! podcast | Listen online for free on SoundCloud](https://i1.sndcdn.com/avatars-000035597665-kvx42j-t240x240.jpg)