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Zehlendorf LW
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LW antenna Zehlendorf 177 kHz - antenna tuning elements
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antenna tuning unit
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"The inner life" of the antenna tuning hut
There are two rejection filters for 603 kHz and 693 kHz in the rear of the hut, because from a nearby MW antenna on the site these two frequencies are radiated simultaneously
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Design of atu
with filters
for 603 kHz and 693 kHz
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The rejection filter for 171 kHz consisting of C31 and L31 was installed in order to ground the cage antenna statically once more , although it is already statically grounded via the base grounded mast.
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Left: The two rejection filters for 603 kHz and 693 kHz in the rear of the hut.
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Connection to the feeder cable coming from the transmitter
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Zehlendorf LW
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