Since the very beginning of the resistance movement, the representatives of the home resistance movement strived namely for provision of a permanent radio communication with the centres abroad. As early as in June 1939, Major GS Jaroslav Hajicek elaborated Directives No.1 for Radio Communication and sent it by courier to Warsaw and Paris. At the beginning of August 1939, the home resistance, using wireless operator WO Frantisek Franek, succeeded to establish and maintain two-side communication with the branch Division in Warsaw (code name – MARIE). Conveying of the messages between Warsaw and London was executed by British side and its radio stations. In August 1939, they established the first Czechoslovak Communication Centre Abroad (code name – Karel) in Paris. During September 1939, MARIE was transferred to Bucharest from where it established communication with Prague at night from September 30 to October 1. However, the non-existence of a permanent communication with London exile centre and namely with the Intelligence Group of Colonel GS Moravec represented the basic deficiency. In spite of all the effort of the home resistance movement the communication failed to be realised. Major GS Hájíček in his letter to London wrote: “There is only one Communication in the twentieth century which may be called modern, it is radio! If it was grasped by the East, which is, in the opinion of the West, hundred years behind the apes, it is necessary for the West to grasp it as well. And when the mountain didn’t approach Mohamed, Mohamed approached the mountain …”