Quote:
Originally Posted by WM6
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Ferrite cored transmitter antenna is not the best solution for TX, air cored antenna is better. Of course it depend of what you need and what you try to build. If you need "shielded" (i.e. mounted in a tin can) antenna (to radiate in one direction) ferrite core antenna can be better solution than air core.
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dear wm6
Is the ferrite core and reflector antennas can be directly sent 70kh frequency?
Frequency of 70 kHz with a transmitter power is enhanced to within 50 meters sent?
Changes in the frequency or electromagnetic radius of 50 meters on the ground with metal?in coil ANTENNA and ferrite core?