Search found 2890 matches

by rtlsdrblog
Wed Apr 14, 2021 10:43 am
Forum: Troubleshooting Help
Topic: RTL-SDR right off ?
Replies: 2
Views: 343

Re: RTL-SDR right off ?

So after activating the bias tee, SDR# stopped working? That doesn't really make sense, but you could simply try to delete SDR#, and install it again for fresh files.

Possibly you also tripped the USB fuse in your PC when you shorted to the DC antenna, That can sometimes take a few hours to reset.
by rtlsdrblog
Wed Apr 14, 2021 10:40 am
Forum: Troubleshooting Help
Topic: Trouble installing SDR#
Replies: 20
Views: 5984

Re: Trouble installing SDR#

Thanks, PY7RP. I was able to install .NET v5 x86 with the link you provided. Improvement-- I can now find the RTL-SDR in my source dropdown. However, no signal at a know strong local station (confirming gain is up)gain is up.png In this image the SDR isn't started, you need to click on the play but...
by rtlsdrblog
Wed Apr 14, 2021 10:39 am
Forum: Troubleshooting Help
Topic: I can receive only FM stations
Replies: 5
Views: 1231

Re: I can receive only FM stations

I have exactly the same issue. My gain is fully up as well. I cannot even receive anything on the am broadcast band only the fm breaodcast band, everything else is only static. Did you ever resolve your issue? For the AM BC band, did you remember to set your dongle to run in the direct sampling Q-b...
by rtlsdrblog
Wed Apr 14, 2021 10:37 am
Forum: Troubleshooting Help
Topic: SDR# Toolbar Plugin by EddieMac74
Replies: 1
Views: 242

Re: SDR# Toolbar Plugin by EddieMac74

I believe he's unfortunately removed that plugin as it's no longer compatible with newer version of SDR#.
by rtlsdrblog
Fri Apr 02, 2021 6:04 am
Forum: KerberosSDR
Topic: Spotty Accuracy When Tracking Transmitter
Replies: 12
Views: 2171

Re: Spotty Accuracy When Tracking Transmitter

A spacing factor of 0.1 is quite low. When it's this low multipath will heavily skew the results as any multipath tends to "pull" the bearing away from the true result. I know the array will be huge at 121 MHz, but try to keep the spacing factor around 0.3. Make sure you calibrate with the antennas ...
by rtlsdrblog
Sun Mar 28, 2021 2:40 am
Forum: KerberosSDR
Topic: Schematic / recommendations for external power source
Replies: 7
Views: 3679

Re: Schematic / recommendations for external power source

I purchased a kerberosSDR 2/15/21 from Hacker Warehouse. THE ISSUE WAS - WHEN I ACTIVATED THE NOISE SOURCE THE SOFTWARE CRASHED THE CAUSE WAS THAT THE MICRO USB FOR SUPPLEMENTAL POWER TO THE KSDR was DEFECTIVE The FIX WAS TO provide 5V POWER THRU THE GPIO HEADER on PINS 2+ 6 gnd. The KSDR hardware ...
by rtlsdrblog
Sun Mar 28, 2021 2:35 am
Forum: KerberosSDR
Topic: New Ham with a few questions (KerberosSDR, Raspberry PI, upconverter)
Replies: 3
Views: 542

Re: New Ham with a few questions (KerberosSDR, Raspberry PI, upconverter)

I am also a ham, though not a new one. I have a RPi4 2GB, and the KSDR. I have not been able to get the RPi4 to communicate with the KSDR I have: The Type C power supply provided with the RPi4. Batteries that provide [email protected].4A, 30000mAh Numerous power cables including brand new ones. I have set up th...
by rtlsdrblog
Fri Mar 05, 2021 5:08 am
Forum: Troubleshooting Help
Topic: Receiving NFC signals from contactless card - 13.56MHz HF
Replies: 3
Views: 1201

Re: Receiving NFC signals from contactless card - 13.56MHz HF

14.4 MHz is the Nyquist zone cutoff point, so things can get a bit funky around that frequency. This might be a case where an upconverter with an amplifier is required. You could also try disconnecting the VHF/UHF path by removing C13 (next to D6 by the MCX connector). That might stop some signal lo...
by rtlsdrblog
Fri Mar 05, 2021 5:03 am
Forum: Troubleshooting Help
Topic: up converter
Replies: 1
Views: 691

Re: up converter

The V3 doesn't need an upconverter, you can enable direct sampling mode. Instructions at www.rtl-sdr.com/V3

Improved performance can be obtained by using an upconverter, but if you're spending that money, probably better to save a little more for a higher end SDR like a SDRplay or Airspy.
by rtlsdrblog
Fri Mar 05, 2021 4:59 am
Forum: Troubleshooting Help
Topic: RTL v3 and RTL-1090 stops receiving data
Replies: 2
Views: 443

Re: RTL v3 and RTL-1090 stops receiving data

Check if the same problem occurs with SDR# or another program to rule out a software issue.

The dongle frequently disconnecting can mean that the USB power supply on your PC is unstable. If possible also test on another PC, or try with a powered USB hub.