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137 & 500 kHz Class-D 500-Watt
The 137 & 500 kHz Class-D Kilowatt transmitter described here was built for use at WD2XNS 136 - 138 kHz and WE2XGR/2 505 - 515 kHz
post 31 Jan 2024
Antenna 136KHz Links →
Classificazioni delle onde elettromagnetiche
Nella tabella che segue è riportata la suddivisione delle onde radio nelle varie bande di frequenza, con le relative denominazioni secondo lo standard IEEE Institute of Elechtrical and Electronic Engineers
Dynamic Vertical Antenna for 500 kHz
Tower antenna without top-cap, a total length of 24 meter
Experimental 136kHz Vertical Antenna at
Vertical design progress was rather slow because of other commitments, but by the autumn it was complete and I was able to have some QSO
Experimental LF Station
Experimental LF Station WD2XNS -Experimental MF Station WE2XGR/2 - Burlington CT USA
Experimental Radio Transmitting Station North Carolina
The present transmitter is a ZL1BPU DDS Exciter driving a G0MRF 300 watt amplifier
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Nella tabella che segue è riportata la suddivisione delle onde radio nelle varie bande di frequenza, con le relative denominazioni secondo lo standard IEEE Institute of Elechtrical and Electronic Engineers
Tower antenna without top-cap, a total length of 24 meter
Vertical design progress was rather slow because of other commitments, but by the autumn it was complete and I was able to have some QSO
Experimental LF Station WD2XNS -Experimental MF Station WE2XGR/2 - Burlington CT USA
The present transmitter is a ZL1BPU DDS Exciter driving a G0MRF 300 watt amplifier
Noise suppression with X-phase II This device similar devices are known as QRM eliminators or noise killers, makes it possible