Dear Jim, thank you for your comment. It's certainly a good idea to get some more quantitative data on our VLF antennas, aiding optimisation, and ultimately getting a better idea on what long distanc
Dear Markus, Walter, LF Group, Congratulations on the QSO - it is impressive to see that usable SNRs can be achieved in the far-field at 9kHz with quite small antennas and limited TX power. A long te