Antenna for the HF bands
A small broadband active loop antenna: Active broadband loop antenna
Gain in the WebSDR is set for an equivalent antenna factor AF=0.35 on all bands.
PCB design by PA3CSG.
The PCB is available through the Maasbree WebSDR website.
More information is in Broadband_active_loop_PA0SIM.pdf
Antennas for the 2m band
144MHz-145MHz (low): big wheel (horizontal polarisation)
145MHz-146MHz (high): Diamond300 (vertical polarisation)