I just put up a full one-wavelength (140 ft) 40 meter loop antenna for NVIS over the MidAtlantic area.
testing with my 3 yr old Nano VNA reveals no surprises using Nano VNA SAVER to make these graphs
SWR, RETURN LOSS (dB), PHASE (degrees) and Smith Chart
yes .... I know I plotted RETURN LOSS as a negative value - but then it matches the shape of the SWR curve.
de k3eui barry
phila region
Barry K3EUI
