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40m Compact 4-Square Antenna
Compact 4-Square Antenna – EA5AVL The EA5AVL 40M Compact 4-Square Antenna was designed to provide excellent DX communications on the 40m band
post 28 Jan 2024
Antenna Vertical Links →
4 Softrock v6.2 receivers in parallel to facilitate phased antenna, K1LT
I've designed a circuit board for 4 Softrock v6.2 receivers in parallel to facilitate phased antenna studies
7 mhz vertical monopole
7 mhz vertical monopole high efficiency half wave vertical radiator fisical lenght 8
A 90 foot Irrigation Tubing Vertical
For the past couple of years I have been experimenting with making vertical antennas out of aluminum irrigation tubing.The most frequently asked question I get about this is: how do you raise the thing?
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I've designed a circuit board for 4 Softrock v6.2 receivers in parallel to facilitate phased antenna studies
7 mhz vertical monopole high efficiency half wave vertical radiator fisical lenght 8
For the past couple of years I have been experimenting with making vertical antennas out of aluminum irrigation tubing.The most frequently asked question I get about this is: how do you raise the thing?
23cm Yagi Antenna building Finished antenna at 1275 MHz SWR under 1:1.5 at resonant frequency
50 MHz preamp Gain 26dB with the BFG135 Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. It is not easily damaged by static discharge or RF power. FG connection
Voice Recorder Gestito dall'integrato in questione ed offre la possibilità di registrare più messaggi per una durata massima di un minuto con buona fedeltà di riproduzione