User contributions for Jesternofool

24 July 2025

• 22:3322:33, 24 July 2025 diff hist −202‎ Scrambler ‎ Corrected mistake in "mask" parameters examples.
• 22:1022:10, 24 July 2025 diff hist +26‎ m Scrambler ‎No edit summary
• 22:0222:02, 24 July 2025 diff hist +1,167‎ Scrambler ‎ Added to description and parameters.
• 21:5721:57, 24 July 2025 diff hist 0‎ File:Multiplicative-scrambler-7-stage-diagram.jpg ‎ Jesternofool uploaded a new version of File:Multiplicative-scrambler-7-stage-diagram.jpg current
• 21:5321:53, 24 July 2025 diff hist 0‎ N File:Multiplicative-scrambler-7-stage-diagram.jpg ‎No edit summary
• 01:2301:23, 24 July 2025 diff hist +1,757‎ Polyphase Channelizer ‎ Added background material, cleaned up the description, and added an example. current
• 01:1801:18, 24 July 2025 diff hist 0‎ N File:Polyphase-channelizer-example-with-RTLSDR.jpg ‎No edit summary current

23 July 2025

• 23:5223:52, 23 July 2025 diff hist +81‎ N File:Spectrum-divided-into-12-channels-annotated.jpg ‎ This image is used to describe the Polyphase Channelizer block. current
• 23:4323:43, 23 July 2025 diff hist +78‎ N File:Channelized-FM-broadcast-spectrum.png ‎ This is used in the Polyphase Channelizer block description. current

20 July 2025

• 23:4023:40, 20 July 2025 diff hist +660‎ N User:Jesternofool ‎ Created the page. current
• 19:4019:40, 20 July 2025 diff hist +377‎ Simulation example: Single Sideband transceiver ‎ Added some clarifying information on the bandpass filter. current

19 July 2025

• 17:3917:39, 19 July 2025 diff hist +761‎ RTL-SDR FM Receiver ‎ Cleaned up the entries for the various range properties. Corrected the information on the RTL-SDR.com v4 driver. current
• 00:3400:34, 19 July 2025 diff hist +2,110‎ RTL-SDR FM Receiver ‎ Added some information on the antenna to use and how to set it up. Added another RTL-SDR to list of tested units. Added a section on creating a volume control.
• 00:3300:33, 19 July 2025 diff hist 0‎ N File:RTL-SDR-FM-Receiver-display-with-volume-control.png ‎No edit summary current
• 00:2700:27, 19 July 2025 diff hist 0‎ N File:RTL-SDR-FM-Receiver-Multiply-Const-properties-annotated.png ‎No edit summary current
• 00:2500:25, 19 July 2025 diff hist 0‎ N File:RTL-SDR-FM-Receiver-volume-range-properties-annotated.png ‎No edit summary current
• 00:1100:11, 19 July 2025 diff hist +71‎ N File:RTL-SDR-FM-Receiver-with-volume-control.jpg ‎ This image is used in the "RTL-SDR FM Receiver" tutorial. current

18 July 2025

• 23:5923:59, 18 July 2025 diff hist +71‎ N File:RTL-SDR-FM-Receiver-90M9CF.png ‎ This image is used in the "RTL-SDR FM Receiver" tutorial. current
• 23:3423:34, 18 July 2025 diff hist +71‎ N File:RTL-SDR-FM-Receiver-original.jpg ‎ This image is used in the "RTL-SDR FM Receiver" tutorial. current
• 23:3123:31, 18 July 2025 diff hist +71‎ N File:RTL-SDR-FM-receiver-no-rational-resampler.jpg ‎ This image is used in the "RTL-SDR FM Receiver" tutorial. current
• 14:2714:27, 18 July 2025 diff hist +314‎ RTL-SDR FM Receiver ‎ Modified the type of RTL-SDR usable with this flowgraph. Added discussion of gain on RTL-SDR.
• 03:0603:06, 18 July 2025 diff hist +1,628‎ RTL-SDR FM Receiver ‎ Changed the gain from "AGC" to manual, along with an explanation of how to set the gain manually.
• 03:0203:02, 18 July 2025 diff hist 0‎ N File:RTL-SDR-FM-Receiver-31-gain.png ‎No edit summary current
• 02:5602:56, 18 July 2025 diff hist 0‎ N File:RTL-SDR-FM-Receiver-10-gain.png ‎No edit summary current
• 02:4802:48, 18 July 2025 diff hist 0‎ N File:RtlsdrFmReceiverNoDemod.jpg ‎No edit summary current
• 02:4502:45, 18 July 2025 diff hist 0‎ N File:RtlsdrFmReceiverSourceOnly.jpg ‎No edit summary current
• 02:4002:40, 18 July 2025 diff hist +71‎ N File:Soapy-RTLSDR-Source-RF-Options-properties-annotated.png ‎ This image is used in the "RTL-SDR FM Receiver" tutorial. current
• 02:3202:32, 18 July 2025 diff hist +71‎ N File:QT-GUI-Range-general-properties-rfGain-annotated.png ‎ This image is used in the "RTL-SDR FM Receiver" tutorial. current
• 02:0002:00, 18 July 2025 diff hist +82‎ N File:QT-GUI-Range-general-properties-freq-annotated.png ‎ This image will be used for the "RTL-SDR FM Receiver" tutorial page. current
• 01:0501:05, 18 July 2025 diff hist +317‎ N Talk:RTL-SDR FM Receiver ‎ Created page with "Based on using Gnu Radio 3.10.1.1 (Python 3.10.12) in Linux Mint 21.3, the AGC function in the Soapy RTL-SDR Source block does not work. I'm modifying this page to reflect the need for manual gain control and how to do it. ~~~~" current

27 June 2025

• 18:0518:05, 27 June 2025 diff hist +210‎ Frequency Xlating FFT Filter ‎ Added example flowgraph. current
• 18:0218:02, 27 June 2025 diff hist +72‎ N File:FreqXlatingFftFilterDemo.jpg ‎ Flowgraph to demonstrate the Frequency Xlating FFT Filter. current

15 June 2025

• 01:1301:13, 15 June 2025 diff hist +1,493‎ ATSC ‎ Added a section on issues with receiving ATSC signals. current
• 01:1001:10, 15 June 2025 diff hist +348‎ N File:ATSC-with-freq-selective-fading.png ‎ ATSC signal with frequency-selective fading. The fading can be seen as the notches in the top of the spectrum of the signal. Such fading creates problems in the recovery of the information. The signal does have a relatively high SNR (signal-to-noise ratio), but the fading makes recovery of the information using Gnu Radio impossible. current
• 01:0701:07, 15 June 2025 diff hist +154‎ N File:ATSC-signal-good-reception.png ‎ An ATSC signal with a flat spectrum. This is necessary in order to recover the contents of the signal using Gnu Radio's ATSC receive blocks. current

14 June 2025

• 14:3714:37, 14 June 2025 diff hist +177‎ ATSC ‎ Modified receive section to include receive operation with both file source and SDR source.
• 14:3514:35, 14 June 2025 diff hist +80‎ N File:AtscRxFromUHDFileSink.jpg ‎ Flowgraph to both receive and record the output of an ATSC signal. current
• 14:3014:30, 14 June 2025 diff hist 0‎ File:AtscRxWithFile.jpg ‎ Jesternofool uploaded a new version of File:AtscRxWithFile.jpg current
• 14:2614:26, 14 June 2025 diff hist +59‎ N File:AtscRxWithFile.jpg ‎ Flowgraph to receive ATSC from a File Source.
• 14:2114:21, 14 June 2025 diff hist +85‎ N File:AtscRxFromUHD.jpg ‎ Flowgraph using a Ettus Research B200 USRP to receive a ATSC broadcast. current
• 12:4412:44, 14 June 2025 diff hist −6‎ m ATSC ‎ Corrected wrong syntax for link
• 02:1302:13, 14 June 2025 diff hist +1,867‎ ATSC ‎ On transmit side, added how to create a TS file using ffmpeg. On the receive side, added VLC and Celluloid viewers, configuration for each, and adjusted configuration for SMPlayer.
• 02:0702:07, 14 June 2025 diff hist +102‎ N File:File atsc tx 2.jpg ‎ Modified ATSC transmission flowgraph that shows all of the values required in the image. current

31 May 2025

• 18:4818:48, 31 May 2025 diff hist +319‎ N Talk:ATSC ‎ Question on changes for SMPlayer current

27 April 2025

• 22:2522:25, 27 April 2025 diff hist +530‎ FFT Root Raised Cosine Filter ‎ Added links to appropriate blocks and firdes function, as well as an image of the block itself. current
• 16:1316:13, 27 April 2025 diff hist +181‎ N File:FFT Root Raised Cosine filter-01.png ‎ Screenshot of the FFT Root Raised Cosine Filter block. It shows the graphical implementation of this block, which implements a root raised cosine filter using the FFT. current

30 March 2025

• 01:3301:33, 30 March 2025 diff hist −84‎ SuggestedReading ‎ Provided link to Gary Schafer's update frequency demodulator page (just one page now, not spread amongst three)

23 March 2025

• 02:5102:51, 23 March 2025 diff hist +934‎ UChar To Float ‎ Added a second example - the raw output values of a RTL-SDR (collected using the "rtl_sdr" command) current
• 02:4902:49, 23 March 2025 diff hist 0‎ File:Uchar-to-Float-time-sink-from-RTLSDR-file.png ‎ Jesternofool uploaded a new version of File:Uchar-to-Float-time-sink-from-RTLSDR-file.png current
• 02:4202:42, 23 March 2025 diff hist +125‎ N File:Uchar-to-Float-time-sink-from-RTLSDR-file.png ‎ Time sink showing the raw output values from a RTL-SDR. The samples were collected using the "rtl_sdr" command.