GitHub - scivision/quindar-tones: Generate Quindar tones used by NASA for decades as in-band PTT signaling
![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
![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)