SAQ transmission of July 1st, 2018
by Alberto I2PHD
This time SAQ was received using the Elad FDM-S2 receiver, with the SDR program HDSDR and the excellent miniwhip antenna.
The audio of the transmission can be heard here
The receiver :
The HDSDR screen with the SAQ station tuned at 17.2 kHz (+- a few Hz...)
With respect to past years, the QRM/QRN on the VLF band has become much, much worse...
A visual excerpt of the audio signal as received by the FDM-S2 :
73 Alberto I2PHD