In the global game of nuclear brinksmanship, secrets are the coin of the realm. This was especially true during the Cold War, ...
Abstract: Ionospheric heating by high-power high frequency (HF: 3–30 MHz) electromagnetic waves has been an emerging technique to generate very low frequency (VLF: 3–30 kHz) signals in recent decades.
Abstract: Concurrent multi-band observations are a cornerstone of future radio astronomy and very-long baseline interferometry (VLBI). While some telescopes can incorporate multiple independent ...
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