Dear group, I have uploaded a few pictures of the transmit setup and my attempts towards "acoustical coil shielding" to the folder http://df6nm.bplaced.net/VLF/VLF_110304-06/ Best 73, Markus (DF6NM)
Since Friday 21:45, I have been transmitting an unmodulated carrier on 8970.000. It is not GPS locked, but controlled by a Rb standard which has been calibrated to better than about 0.05 ppb. The car