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Antennas for VLF and 136kHz reception
The loop atu consists of a capacitive matching network 3 capacitors and a toroidal 4:1 balun, the balun is made using 18 bifilar-wound turns on a 58 mm
post 14 Apr 2026
Antenna 136KHz Links →
Power Amplifier for 136kHz 1kW
The design is somehow up-side-down. It is because the power FETs are mounted on the heat-sink which is on the top of the box
TX 136.000 Khz QRSS
Antenna ombrello per 136/475 khz
136 kHz Transmitter JUMA TX 136
JUMA TX136 is a digitally controlled CW transmitter for 136 kHz (2200 meter) amateur radio band. The transmitter is available as a component kit which inludes all the electrical and mechanical componets
136 kHz
UK Radio Amateurs received permission to operate on the new 136kHz band (135.7-137.8kHz) in February 1998
136kHz Activity
Canadian amateurs have full access to the 2200m and the to 630m bands without the need for special operating permission
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The design is somehow up-side-down. It is because the power FETs are mounted on the heat-sink which is on the top of the box
Antenna ombrello per 136/475 khz
JUMA TX136 is a digitally controlled CW transmitter for 136 kHz (2200 meter) amateur radio band. The transmitter is available as a component kit which inludes all the electrical and mechanical componets
UK Radio Amateurs received permission to operate on the new 136kHz band (135.7-137.8kHz) in February 1998
Canadian amateurs have full access to the 2200m and the to 630m bands without the need for special operating permission
All Spectrum Electronic All Spectrum Electronics Hobby Kits and Electronics Supply
Dxengineering Ham Radio Equipment DX Engineering Ham Radio Equipment & Supplies
BA-Electronics Ba-electronics, a division of products, has added electronic components, test equipment, wire, and supplies to its product offering