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Understanding VLF

Very low frequency (VLF) describes signals in the frequency range of 3 to 30 kHz. This video provides a short technical introduction to VLF and VLF propagation, including a discussion of how and why VLF is used for communication with…

Old Friends AM Net 3715 KC 5pm 3/23/25

The Old Friends Net uses only Amplitude Modulation. Most of the equipment used here is vintage AM gear. Today’s rig: Collins 32V-3 and 75A4. Antenna is a Horizontal Loop SDR is the RX888 MKII running SDR Console v 3.4 Streamed…