Jan 4 (Reuters) - Flights across Greece were grounded on Sunday after a collapse of radio frequencies crippled air traffic communication, stranding thousands of travellers and bringing airport ...

This report analyses consumers that listen to the radio. With it, you get a comprehensive overview of radio listeners in Greece: who they are; what they like; what they think; and how to reach them.

Incoming and outgoing flights were temporarily suspended in airports across Greece after airspace radio frequencies were lost due to a technical problem that has confounded authorities. Thousands of ...