sdr dongle

Hello Everyone! I have been trying for the past 24 hours to get my SDRtrunk to work with my RTS-SDR model V3 and I can not hear any stations. I downloaded SDR++ to see if the dongle was picking up stations and it is. I am obviously missing something I just don't know what. My control...

Given a well shielded and choked USB cable: On an SDR that draws its power over USB, would there be any good in supplying it with the cleanest 5V that I can come up with over the red wire while keeping D- and D+ wires connected to the Raspberry Pi (or other computer) USB port ? And if yes, how...

Hello all, I am looking to use an old laptop and sdr dongles to monitor my university's PD and public safety frequencies, which are part of a larger county-wide single site simulcast P25 Phase I system, on the cheap since I am on staff at the student newspaper there. I was wondering, if my SDR...

I have 2 SDR Tuners, 1 Loop antenna stuck in a window (so not exactly optimum setup). I have 1 SMA Passive Splitter (Came in a pack of 2 splitters on Amazon). SDRTrunk says I need another Tuner for the stations I want to monitor (Even after I disabled data). I read there is a 3DB Loss when you...

2 v3 dongles, and antennas $60, I have to many, you pay shipping.

Hello, i set up a local rdio scanner server thats connected to sdrtrunk so i can roll the tapes back if need be. ive been editing the talkgroups and organizing everything, and have made some serious progress. however i am having an issue that just popped up out of nowhere. all of a sudden, when...