STRATEGIC SERVICE TRANSMITTER-RECEIVER NUMBER I (SSTR-1)

[@NipkowDisk]

At 11:23 is WWV before they put a slight silent part fore and aft of the seconds tick, which they began around 1956. Way cool to hear.

[@tigerbody1]

why didn't they just use their cellphones?

[@CARL557511]

Try to go thru airport security with this dinosaur!

[@billybonewhacker]

or just if frustrated send a letter.