Hits
A Shielded Low Frequency Loop Antenna
The grey metal box at the bottom of the loop houses the tuning capacitor bank and the ferrite core matching transformer
post 14 Apr 2026
Antenna 136KHz Links →
My 136 kHz Station
The antenna requires 4mH at 137 kHz to tune it and I have built a loading coil with a variometer using two polystyrene plastic
My LF/MF Antenna Tuner
The LF loading coil and connect it to the antenna tuner
Operation on the 136kHz Band
The traps can be ignored at LF. A huge base loading coil is needed to resonate the antenna against ground
Operation at LF and MF
There is no preamp at the loop! In the shack, the RG-58 connects to a 50 ohm in/out preamp
Prove di trasmissione nel sud Italia
Un TX ibrido Transistors Valvole da 50w.out, ed un antenna verticale di fortuna si sono raggiunti i 10 km. in cw standard
70
The antenna requires 4mH at 137 kHz to tune it and I have built a loading coil with a variometer using two polystyrene plastic
The LF loading coil and connect it to the antenna tuner
The traps can be ignored at LF. A huge base loading coil is needed to resonate the antenna against ground
There is no preamp at the loop! In the shack, the RG-58 connects to a 50 ohm in/out preamp
Un TX ibrido Transistors Valvole da 50w.out, ed un antenna verticale di fortuna si sono raggiunti i 10 km. in cw standard
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