Search found 3 matches

by Mike433
Thu Jul 23, 2015 8:26 pm
Forum: RTL-SDR Discussion
Topic: True dBm values for RTL SDR power measurements
Replies: 3
Views: 7754

Re: True dBm values for RTL SDR power measurements

There are couple of S.W. out there, that are showing the readings in dBm, for example SDR-Sharp does the reporting in dBm. So my question is how are they doing that? Are they doing someform of pre-calibration or there is a way to directly relate the readings from the usb dongle to dBm.

Thx.
by Mike433
Wed Jul 22, 2015 6:32 pm
Forum: RTL-SDR Discussion
Topic: True dBm values for RTL SDR power measurements
Replies: 3
Views: 7754

True dBm values for RTL SDR power measurements

Hi As far as I understood the way the RTL-SDR dongle works regarding the power measurements is that it provides relative dB measurements between the signals (in the case of rtlizer by Alexandru Csete it is reported in dBFS). However, I have seen some software products out there which report the valu...
by Mike433
Thu Sep 25, 2014 8:10 pm
Forum: RTL-SDR Discussion
Topic: white space scanner
Replies: 2
Views: 6430

white space scanner

Hi I am starting with RTL-SDR with the intention of building a tv-white space scanner. I am engineering student and doing this as part of my school project. I know scanning the whole tv channel is not possible at one time because of the scanning limitation of the RTL2838 so i was thinking of scannin...