Instructions Instrucciones Gebrauchs Instructions
INAC Electrónica para radiocomunicaciones P.O. 3101 50080 Zaragoza España
Tel. +34 976 322 822 http://inac-radio.com e-mail: inac@inac-radio Pág.: 7
Description of the antenna
INAC magnetic antenna has a tunable remote actuation and with a quick tuning of less
than one second from end to end of the band.
e magnetic antennas have the same basic conguration, coil and condenser.
Obviously, to get a complete spectrum of the HF ham bands, ie 1.6 to 30 Mhz., Has to
have dierent skills and dierent coils. Determine the inductance coils, as a rule, we
can say that the greater the diameter of halo, higher inductance. us, for frequen-
cies of 1.6 to 4 MHz. e size of the coil for acceptable performance is 3.4 meters in
diameter and against higher frequencies, such as 14 to 30 MHz. Simply avoid reach one
meter in diameter.
In our case, ie in the Ah-521 model, we created a model that covers the center of the
band, from 5 to 24.5 Mhz., With the advantage that more bands are used between the
frequencies of 7 and 14 Mhz.
e condenser is operated remotely and commanding performance, is placed in the
radio room, and the feeling you get, it is as if we moved the axle directly control the
variable capacitor sha. With the advantage of appreciating the naked ear the presence
of noise in the tuned band, indicating the input of the antenna tuned.
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