In the 20's an enthusiast radio amateur, Fyodor Lbov, experiments one of the first short-waves radio in the city of Gorky.
| Release Date | January 1, 1975 | |
|---|---|---|
| Status | Released | |
| Original Title | Позывные Р1НН | |
| Runtime | 23min | |
| Budget | — | |
| Revenue | — | |
| Language | Russian | |
| Original Language | Russian | |
| Production Countries | Soviet Union | |
| Production Companies | Gorky Film Studios | |