am I recording LTE uplink signals?

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am I recording LTE uplink signals?

Postby natiya » Sat Sep 08, 2018 7:51 am

I have this app in my phone which tells me the LTE UL frequency and power so I went with my SDR and measured the received signal at that frequency and it matched.
Now, how can I be sure this is the transmitted signal from my phone? As I made a call to and from this phone and nothing changed.
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