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137 kHz Transmit Antenna
It's radiator consists of a #14 THHN vertical wire 95' tall
post 14 Apr 2026
Antenna 136KHz Links →
Field strength meter for the 137 kHz
The power radiated by an antenna is equal to the radiation resistance multiplied by the antenna current squared. Measurement of antenna current can be done in the 137 kHz band by for instance a thermocouple ammeter or other means
Info about our 500 kHz installation
Vertical antenna built with, about 22 meter high vertical pipe, with 4 top cap wires at a total length of 18 meter
Akita Grabber
Transmitting station 2ele Delta-Loop for 160m T-type for 2200m @50m high
L. F. Transmitter using Direct Digital Synthesis
I've recently changed my LF driver from one which covers the band in 100 Hz steps
LF activity,experimentations of British amateur radio station, G3XDV
I have re-erected the mast at the house end and reinstalled my inverted-L Marconi, so am back on the air again
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The power radiated by an antenna is equal to the radiation resistance multiplied by the antenna current squared. Measurement of antenna current can be done in the 137 kHz band by for instance a thermocouple ammeter or other means
Vertical antenna built with, about 22 meter high vertical pipe, with 4 top cap wires at a total length of 18 meter
Transmitting station 2ele Delta-Loop for 160m T-type for 2200m @50m high
I've recently changed my LF driver from one which covers the band in 100 Hz steps
I have re-erected the mast at the house end and reinstalled my inverted-L Marconi, so am back on the air again
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