Ultra Cheap SDR

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Welcome to the forum - a place to discuss all things related to cheap Software Defined Radio, with focus on using RTL2832U-based DVB-T USB dongles on Linux with GNU Radio, and on Windows with HDSDR.

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SDR BOX SET, … pink3

Feb 27

There Must Be An Easier Way

My expirience: RTLSDR V4 is pretty deaf in lower bands compared to commercial SWL radios like

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There Must Be An Easier Way

My expirience: RTLSDR V4 is pretty deaf in lower bands compared to commercial SWL radios like

Feb 27

Feb 21

How to determine the directional signal

Friends, help me to understand with the help of SDR-RTL or HACKRF one to determine the directional

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How to determine the directional signal

Friends, help me to understand with the help of SDR-RTL or HACKRF one to determine the directional

Feb 21

Pollys13a, … Adam Nielsen9

Feb 14

Connecting SDR to Antenna With An Active USB 3 extension Cable

Ok, cheers. On Wed, Feb 14, 2024 at 3:10 AM 'Adam Nielsen' via Ultra Cheap SDR <ultra-

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Connecting SDR to Antenna With An Active USB 3 extension Cable

Ok, cheers. On Wed, Feb 14, 2024 at 3:10 AM 'Adam Nielsen' via Ultra Cheap SDR <ultra-

Feb 14

3/17/23

fc0013 datasheet

hi Anyone can post the link of tuner fc0013 datasheet pdf? Or pinouts image? user Dave FITI wrote: Hi

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fc0013 datasheet

hi Anyone can post the link of tuner fc0013 datasheet pdf? Or pinouts image? user Dave FITI wrote: Hi

3/17/23

a a, Adam Nielsen2

3/14/23

Total Security 360 reported 2 viruses when I run Zadig in Windows 7, 32-dig and locked Zadig

> Beware of Zadig There's nothing wrong with it. Virus scanners are known to produce many

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Total Security 360 reported 2 viruses when I run Zadig in Windows 7, 32-dig and locked Zadig

> Beware of Zadig There's nothing wrong with it. Virus scanners are known to produce many

3/14/23

2/16/23

RDLSDR error message in gnu radio

I got the following error message in gnu radio: "rtlsdr_demod_write_reg failed with -5" how

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RDLSDR error message in gnu radio

I got the following error message in gnu radio: "rtlsdr_demod_write_reg failed with -5" how

2/16/23

David Gustman, … jdow6

1/14/22

RTLSDR and mag loop antenna

Thanks. I have a bias-t for the mag loop. My problem was the last time I tried to connect the RTLSDR

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RTLSDR and mag loop antenna

Thanks. I have a bias-t for the mag loop. My problem was the last time I tried to connect the RTLSDR

1/14/22

Margaret, … Guillaume Payre17

1/14/22

No Bulk-In, Interface (Interface 0) option in zadig

Hello everybody, happy new year! Sorry for the thread digging but I stumbled upon by a Google Search

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No Bulk-In, Interface (Interface 0) option in zadig

Hello everybody, happy new year! Sorry for the thread digging but I stumbled upon by a Google Search

1/14/22

Ahmet Genc, … Leif Asbrink3

11/7/21

PROBLEM - RTL_SDR recording multiple fm channel

Hello Ahmet, You can yse Linrad to record raw data from many rtlsdr dongles at the same time on a

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PROBLEM - RTL_SDR recording multiple fm channel

Hello Ahmet, You can yse Linrad to record raw data from many rtlsdr dongles at the same time on a

11/7/21

Dave, RAJESH D2

4/14/21

Very active RTL-SDR Discord Server

Hi I couldn't join this discord server. i get a message saying " Invalid Invite".

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Very active RTL-SDR Discord Server

Hi I couldn't join this discord server. i get a message saying " Invalid Invite".

4/14/21

8/28/19

Hermes-Lite 2.0 Group Buy Open

Hi, There is another group buy for the Hermes-Lite 2.0. The Hermes-Lite 2.0 low-cost open-source

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Hermes-Lite 2.0 Group Buy Open

Hi, There is another group buy for the Hermes-Lite 2.0. The Hermes-Lite 2.0 low-cost open-source

8/28/19

DJ0MY, … joep bord11

7/8/19

How to remove ZADIG installed libusb/winusb drivers?

thnx Verzonden vanuit Mail voor Windows 10 Van: ultra-c...@googlegroups.com <ultra-cheap-sdr@

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How to remove ZADIG installed libusb/winusb drivers?

thnx Verzonden vanuit Mail voor Windows 10 Van: ultra-c...@googlegroups.com <ultra-cheap-sdr@

7/8/19

KD9GN, … V. Sears25

6/6/19

What is RTL-SDR direct sampling mode?

Pins 1-2, and 4-5 on some allow you to bypass the R820T tuner and connect a non DC shorted long wire

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What is RTL-SDR direct sampling mode?

Pins 1-2, and 4-5 on some allow you to bypass the R820T tuner and connect a non DC shorted long wire

6/6/19

James Chastain, … felix Adabla11

4/3/19

Undoing Zadig??

I downloaded zadig and "replaced and reinstalled" some drivers while trying to setup my

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Undoing Zadig??

I downloaded zadig and "replaced and reinstalled" some drivers while trying to setup my

4/3/19

Baden Hinds, … Dan Grimes3

4/2/19

Frequency Calibration

How tight of tolerances are you looking for? I know the broadcast signals here in the USA must hold

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Frequency Calibration

How tight of tolerances are you looking for? I know the broadcast signals here in the USA must hold

4/2/19

3/15/19

Windows 10 Update Last Night - Now - No Bulk-In, Interface (Interface 0) option in zadig

Solved for the time being. Awoke this morning and immediately eliminated my 7 port powered USB

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Windows 10 Update Last Night - Now - No Bulk-In, Interface (Interface 0) option in zadig

Solved for the time being. Awoke this morning and immediately eliminated my 7 port powered USB

3/15/19

voidxar, … Garfield .15.994

2/18/19

2.4Ghz downconverter

old posts benyanau do you have any more on the MMDS downconverter, and will it still work with SDR

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2.4Ghz downconverter

old posts benyanau do you have any more on the MMDS downconverter, and will it still work with SDR

2/18/19

2/14/19

TETRA TRUNK TRACKING WITH SDRSharp

Hi to all, Has anyone out there ever used the Tetra Trunking demodulator plus the Tetra Trunking

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TETRA TRUNK TRACKING WITH SDRSharp

Hi to all, Has anyone out there ever used the Tetra Trunking demodulator plus the Tetra Trunking

2/14/19

Baden Hinds (via Google Drive)

2/7/19

SDRplay_ExtIO_Installer_1.2.exe

Baden Hinds has shared the following file: SDRplay_ExtIO_Installer_1.2.exe This is the ETIO for

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SDRplay_ExtIO_Installer_1.2.exe

Baden Hinds has shared the following file: SDRplay_ExtIO_Installer_1.2.exe This is the ETIO for

2/7/19

2/7/19

SDRSharp versions are also available on the following google group. SDR DISCUSSION GROUP

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SDRSharp versions are also available on the following google group. SDR DISCUSSION GROUP

2/7/19

Baden Hinds, Sylvain AZARIAN3

2/7/19

SDR DISCUSSION GROUP

The group I have created is with Google Groups, the same as this group.. I think if you search for my

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SDR DISCUSSION GROUP

The group I have created is with Google Groups, the same as this group.. I think if you search for my

2/7/19

2/7/19

Hi to all interested. If you wish to use SDRSharp with the SDRPlay rsp1a etc... you will require the

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Hi to all interested. If you wish to use SDRSharp with the SDRPlay rsp1a etc... you will require the

2/7/19

Baden Hinds, … HELMY5

2/7/19

SDR# VERSION 1.7 WITH VIRTUALY EVERY PLUGIN ADDED.

Hi there. I have uploaded 2 files on Google drive and there is a link to it on Google groups.the

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SDR# VERSION 1.7 WITH VIRTUALY EVERY PLUGIN ADDED.

Hi there. I have uploaded 2 files on Google drive and there is a link to it on Google groups.the

2/7/19

Baden Hinds (via Google Drive)

2/7/19

SDRSharp.SDRIQ.zip

Baden Hinds has shared the following file: SDRSharp.SDRIQ.zip SDRSharp Version 1.7 with most plugins

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SDRSharp.SDRIQ.zip

Baden Hinds has shared the following file: SDRSharp.SDRIQ.zip SDRSharp Version 1.7 with most plugins

2/7/19

Baden Hinds (via Google Drive)

2/7/19

SDRSharp.exe.zip

Baden Hinds has shared the following file: SDRSharp.exe.zip SDRSharp Version 1316 with some plugins.

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SDRSharp.exe.zip

Baden Hinds has shared the following file: SDRSharp.exe.zip SDRSharp Version 1316 with some plugins.

2/7/19

2/5/19

UNITRUNKER ISSUES

Hi there. I appear to have a problem. I have been running an old version of unitrunker , around 2015

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UNITRUNKER ISSUES

Hi there. I appear to have a problem. I have been running an old version of unitrunker , around 2015

2/5/19

Hasith Ishara Kulathilaka

10/15/18

USB DVB-T & RTL-SDR bought from ebay doesn't work with Matlab RTL-SDR

Hi all, I am new to this group. I bought the following dongle from ebay. It works well with SDR#.

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USB DVB-T & RTL-SDR bought from ebay doesn't work with Matlab RTL-SDR

Hi all, I am new to this group. I bought the following dongle from ebay. It works well with SDR#.

10/15/18

Matthew Simmons, Adam Nielsen2

5/28/18

Need Help with rtl_fm on the raspberry pi

> The issue I have been having is that I cannot seem to get DSD to > output sound on the pi. In

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Need Help with rtl_fm on the raspberry pi

> The issue I have been having is that I cannot seem to get DSD to > output sound on the pi. In

5/28/18

Sainath Vamshi Naidu

5/26/18

BUILD SDR dongle

Hi all , Is there any project on how to build a SDR Dongle(reciever only) or is there any website

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BUILD SDR dongle

Hi all , Is there any project on how to build a SDR Dongle(reciever only) or is there any website

5/26/18

grae...@gmail.com, advr...@gmail.com8

2/26/18

it may seem your device installed correctly and is being used and seen by your apps, but some devices

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it may seem your device installed correctly and is being used and seen by your apps, but some devices

2/26/18

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