A Receiving Loop for Long Waves
One major problem receiving long waves e.g. 137 kHz ham band is the presence of local noise sources
post 13 May 2023
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La antena de cuadro o Magnetic Loop
The first antenna of this type that I made, was something similar to a frame antenna similar to those used by the old AM radio
Loop 1.5-30 MHz with preamplifier
The range of 2.7 to 7.3 MHz. The variable tuning capacitor is a 3 recovery air cages on an old tube radio receiver
Loop Magnetica per i 144 mhz
Ideale per il mobile, radio cluster, beacon VHF
163
The first antenna of this type that I made, was something similar to a frame antenna similar to those used by the old AM radio
The range of 2.7 to 7.3 MHz. The variable tuning capacitor is a 3 recovery air cages on an old tube radio receiver
Ideale per il mobile, radio cluster, beacon VHF
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