Read this: In 1949, France started its transmissions with an 819 lines system (with 737 active lines). The system was monochrome only, and was used only on VHF for the first French TV channel. It was discontinued in 1983.
Now answer this question, if there is an answer (If it cannot be answered, return "unanswerable"):  What did France start transmissions with in 1939?
unanswerable