Search found 5 matches

by Jen
Thu May 31, 2018 8:25 pm
Forum: Troubleshooting Help
Topic: Spectrum Display Noise Floor Randomly Lowers
Replies: 6
Views: 3314

Re: Spectrum Display Noise Floor Randomly Lowers

Weird thing is I get no indication of any frequency activity popping up in spectrum display.
Happens at HF/VHF and UHF frequencies.

I'm starting to think it is computer related. Will have to test dongles on another system.
by Jen
Wed May 30, 2018 9:27 pm
Forum: Troubleshooting Help
Topic: Spectrum Display Noise Floor Randomly Lowers
Replies: 6
Views: 3314

Re: Spectrum Display Noise Floor Randomly Lowers

It does not appear to happen with the antenna unplugged.
Funny thing is that it could happen anywhere in the frequency spectrum.
I'll have to note times and frequencies and see if I can get some kind of correlation.
by Jen
Tue May 29, 2018 8:35 pm
Forum: Troubleshooting Help
Topic: Spectrum Display Noise Floor Randomly Lowers
Replies: 6
Views: 3314

Spectrum Display Noise Floor Randomly Lowers

Not sure why this happens. Maybe someone could help out. The spectrum display noise floor randomly lowers and then rises up. Then it repeats randomly. It could go from -85dBm down to -100 dBm. It will at times go much lower, well below -110dBm. At the same time…. The waterfall display will go from a...
by Jen
Tue Apr 17, 2018 12:03 am
Forum: Troubleshooting Help
Topic: Sharp has no devices
Replies: 32
Views: 66630

Re: Sharp has no devices

SDR dongles do not work with USB 3. Try an older USB port.....
by Jen
Mon Jan 01, 2018 3:52 am
Forum: Troubleshooting Help
Topic: Trouble receiving anything?
Replies: 17
Views: 19999

Re: Trouble receiving anything?

Hi All: I purchased the NooElec NESDR Mini USB RTL-SDR & ADS-B Receiver Set, RTL2832U & R820T Tuner, MCX Input. Low-Cost Software Defined Radio Compatible with Many SDR Software Packages. R820T Tuner & ESD-Safe Antenna Input via Amazon, and installed software per the instructions on https://www.rtl...