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Active Ferrite Rod Antenna for HF
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The red connector is for an optional external antenna wire and the black connector is for a ground wire. The red is wired to secondary winding and the black is connected to the circuit ground plan
post 26 Jul 2024
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80
Right from the top of this page, I'm going to say that I'm an antenna experimenter
How many turns should I use? More turns means more received signal, but more weight and difficulty of construction
With the low bands benefitting from the current sunspot minimum, receive antennas are important for between large antenna systems such as multiple Beverages,EWE,Flag
There is some talk that lowering an NVIS or N.V.I.S. antenna very close to the ground enhances NVIS operation. The problem is very few people have actual measurements