In light of the recent 50th anniversary of the Apollo 11 moon landing, I made some ringtones out of the push-to-talk "beep" that was so commonly heard during radio transmissions from Mission Control to the Apollo spacecrafts.
That beep is known as a Quindar tone: https://en.wikipedia.org/wiki/Quindar_tones
Here are the links to download the ringtones. There are three files each: an "in" tone, an "out" tone, and then an "in + out" tone.
.wav - https://we.tl/t-Y0CH0dXjpM
.m4r - https://we.tl/t-01Zz0yveFQ
To me there's just something so evocative and iconic in those simple sine waves. It's almost soothing.
Submitted July 30, 2019 at 09:23PM by K-ral https://ift.tt/2Zm2lsF
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