The Old Technology Today

So back in the 1950's, a technology was created to send images via sound over a radio. Yes, images with sound. Continued below.

The technology known as Slow-Scan Television, or SSTV for short, is an interesting thing indeed. What it does is one program known as an "encoder" reads the binary data on an image (the 1's and 0's) and then converts the binary data to sound which is sent out through speakers. Then, the sender would transmit the sounds over a HAM radio broadcast. Anyone listening in to that broadcast could then use a decoder to convert the sound, using a microphone, to binary data then into an image. It is so reliable that it has been used since it's creation to send images from the International Space Station, even to this day. There are Android and Apple apps available to encode and decode SSTV signals. If you want to use the HAM radio, however, there are more than likely many regulations and forms that need to be addressed based on your country.

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