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SmartSDR v4.1.5 | SmartSDR v4.1.5 Release Notes
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The latest 4O3A Genius Product Software and Firmware
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Remember it is what is inside the loop filter that contributes to degenerative phase noise. I.e. usually locking the built-in reference to a rubidium oscillator is often by having a very narrow loop filter (slow lock-in time) and thus the far out phase-noise from the Rb oscillator is not causing problems. But a LPRO with a PN close to -155 dBc is always nice to have, but expensive

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