Can I benefit from upgrading my dongle?

[alejandrofm]

Posted

Do I Need A Filter?

Hi, sharing my scan, first time looking at a signal, not a lot of planes today due to covid restrictions. What do you think? I’m using a Nooelec 820T NESDR Mini with factory antenna. [scan] And can you explain please the sort of “complementary” colors between 870-880 and 880-890? I was sure that the GSM band was 850-900, not seeing anything there, but some in the middle. Will love to know too what is “pulsating” at 939mhz. This is what I found in Amazon that delivers here, both cost more t…

Thanks!!