Search found 41 matches

by qrp
Mon Nov 18, 2019 1:30 pm
Forum: RTL-SDR Discussion
Topic: distorted FM
Replies: 12
Views: 1145

Re: distorted FM

try to place your antenna at half wavelength distance from Ground, any kind of building, metal roof or wires. Also add RF choke on the feeder, near antenna feeding point. And it will works fine.
by qrp
Sun Nov 17, 2019 11:41 am
Forum: RTL-SDR Discussion
Topic: sdr play features?
Replies: 3
Views: 474

Re: sdr play features?

HDSDR is the most professional and fast software. Other software have bugs and very inconvenient control for quick navigation through frequencies, modulation and bandwidth...
by qrp
Sat Nov 09, 2019 8:13 am
Forum: Other SDR Devices
Topic: ExtIO_HPSDR# - ExtIO for HPSDR devices (Hermes / Hermes Lite, etc)
Replies: 1
Views: 436

ExtIO_HPSDR# - ExtIO for HPSDR devices (Hermes / Hermes Lite, etc)

Some time ago I wrote ExtIO for HPSDR protocol. I'm used it for FPGA gateware debugging. I think it may be interesting for someone who using SDR devices based on HPSDR protocol. So, I decided to share it here. This ExtIO plugin allows to use HDSDR with DDC SDR receivers and transceivers supporting H...
by qrp
Sat Nov 09, 2019 7:25 am
Forum: RTL-SDR Discussion
Topic: SDRUNO version EXTIO
Replies: 2
Views: 426

Re: SDRUNO version EXTIO

the only version which supports EXTIO is v1.22 EXTIO version, you're needs to start SDRuno.EXTIO.exe.

If you start SDRuno.exe, it doesn't supports EXTIO and works with SDRPlay device only
by qrp
Mon Oct 21, 2019 10:52 pm
Forum: Other SDR Devices
Topic: NanoVNA software mod
Replies: 10
Views: 8580

Re: NanoVNA software mod

After connecting you do Get data. Screen is then Logmag S11 & S21. The 2 curves are visible. Then choose Chart format: VSWR S11. The screen is then blank. If you now click on the lower Auto (Y Min), the program will stop and with an error message: "An unhandled exception has occurred in the applica...
by qrp
Mon Oct 21, 2019 6:35 pm
Forum: Other SDR Devices
Topic: NanoVNA software mod
Replies: 10
Views: 8580

Re: NanoVNA software mod

cudgel wrote:
Mon Oct 21, 2019 5:28 pm
_v2 version is more stable.
What is your issue? What is unstable in v3? v3 should be much more stable.
by qrp
Mon Oct 21, 2019 1:10 pm
Forum: Other SDR Devices
Topic: NanoVNA software mod
Replies: 10
Views: 8580

Re: NanoVNA software mod

Version 3 released :) screenshot.png What's new: - added CAPTURE button, which allows to get screenshot from the NanoVNA - completely rewritten from scratch communication layer, now it works more reliable - improved error handling - fixed calibration bug (calibration code is reworked and now works a...
by qrp
Wed Oct 02, 2019 1:21 am
Forum: Other SDR Devices
Topic: NanoVNA software mod
Replies: 10
Views: 8580

Re: NanoVNA software mod

Here is a new version:
- added TDR VSWR screen
- added Phase Unwrapped screen
- added draft version for Phase Delay screen
- improved live tracking

The phase delay is a draft version, needs to be tested if it works properly.
by qrp
Mon Sep 02, 2019 10:58 am
Forum: Other SDR Devices
Topic: NanoVNA software mod
Replies: 10
Views: 8580

NanoVNA software mod

Here is a modified NanoVNA software. It allows to resize window. Also I added two new diagrams: Series RLC and Parallel RLC. It shows Rs, Xs, Rp, Xp and |Z|. Also fixed SWR diagram. If you have 500 Ohm dummy load, please post screenshot of Series RLC for your NanoVNA with 500 ohm dummy load on CH0. ...
by qrp
Sat Aug 31, 2019 4:24 am
Forum: Troubleshooting Help
Topic: New rtl-sdr v3 driver Nightmare Dongle works great
Replies: 2
Views: 735

Re: New rtl-sdr v3 driver Nightmare Dongle works great

if you're using a new motherboard with USB3, try to use this ExtIO: https://www.rtl-sdr.com/forum/viewtopic.php?f=1&t=4710&sid=92151e8f0388de50768de81b81f9a3a8&start=20#p11796 It contains rtlsdr.dll with more fresh version which supports USB3 controllers. It is developed for HDSDR, but you can try t...