A documentary looking at the utilization of the spectrum of electromagnetic waves for such purposes as space travel and electronics.
| Release Date | June 1, 1964 | |
|---|---|---|
| Status | Released | |
| Original Title | Signale | |
| Runtime | 37min | |
| Budget | — | |
| Revenue | — | |
| Language | German | |
| Original Language | German | |
| Production Countries | Germany, Switzerland | |
| Production Companies | Gesellschaft für bildende FilmeKern-Film | |