In my case with TinySA-APP connected to the TinySA (now with firmware V1.3-513), and on continuous sweep, ?when the USB Comms is paused the TinySA-APP screen is frozen and the TinySA screen is ¡®live¡¯
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After 20 minutes the TinySA screen is still active, and TinySA-APP connected, whenever I change to Un-Paused the APP runs OK.
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My guess is that maybe this isn¡¯t the test condition you were expecting ?
Can you guys connect tinySA-App, open the VNA comms window (click on the USB symbol) and click on "un-paused" so the text becomes "paused" and try if continuous sweep will still hang? --