Hey,
I wired up a 118' X 68' crossed dipole antenna per the recipe here . I was able to get very good transmission 5x9 to a collaborator some miles away on 3.915MHz. The 40M leg seemed more difficult. So I hooked up my Nano VNA-H to the Feed Line. I set the calibration plane at the input to the VNA. The network is 75' of RG58 to a 1:1 Unun, then the Antenna.
NVA Sweep Results attached. I didn't fuss with markers, or other settings ...
What do the measurements suggest? I have some opinions, but thought to listen first.
My goal is to tune it up a bit for Winter Field Day...
Enjoy, and thanks in advance for any thoughts you share.
David KK7WXV
