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Published online by Cambridge University Press: 14 August 2015
Since September 1996 there has been in operation a new forward-scatter system for meteor observation transmitting signal simultaneously along two mutually almost rectangular baselines with the transmitter at Budrio (ϕB = 44.6° λB = 11.5° E) near Bologna, Italy and the receivers at Modra (ϕL = 48.3° N; λL = 17.3° E), Slovakia and Lecce (ϕL = 40.3° N; λL = 18.2° E) in Southern Italy. The equipment utilizes a continuous wave transmitting frequency at 42.7 MHz, with a mean power of 0.25 kW.