www.cellular-news.com — ­September saw the continued shrinking of the Hungarian mobile market, a phenomenon ongoing - with interruptions - since January. The number of clients of the three operators dropped by 558,000 in the first three quarters of 2009, while the number of clients generating sales in the last three months of the year dropped by 342,000 over the course of 9 months, announced the National Communications Authority (NHH)…