New type of supervising equipment for the transmitting station was developed in NHK Tokyo radio station. This equipment can be supervised for operation of the AM broadcasting transmitter and these subsidiary systems, on condition. There are many display items in this equipment, for example, transmitter output power, load impedance condition, and efficiency of the high power amplifier. And the equipment has a two interface ports, one is GP-IB digital interface port and other one is analog signal outputs port which used for the data logging or additional local area monitoring networks.
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