User contributions for Jesternofool

19 August 2025

• 01:3901:39, 19 August 2025 diff hist −25‎ m Basic Time Display ‎No edit summary current
• 01:1001:10, 19 August 2025 diff hist 0‎ m Basic Time Display ‎No edit summary

18 August 2025

• 22:4422:44, 18 August 2025 diff hist +4,715‎ Basic Time Display ‎ Added to trigger section, and added sections for actual signals.
• 22:4322:43, 18 August 2025 diff hist 0‎ N File:Measuring-FM-deviation-display-NWR.png ‎No edit summary current
• 22:4022:40, 18 August 2025 diff hist 0‎ N File:Measuring-FM-deviation-display-FM-broadcast.png ‎No edit summary current
• 22:3722:37, 18 August 2025 diff hist 0‎ N File:Measuring-FM-deviation-flowgraph.jpg ‎No edit summary current
• 20:3720:37, 18 August 2025 diff hist 0‎ N File:Aircraft-navigation-signal-full-display-annotated.jpg ‎No edit summary current
• 20:3020:30, 18 August 2025 diff hist +256‎ N File:Aircraft-navigation-signal-ADSB.png ‎ Time domain display of an aircraft Mode S or ADS-B transmission. Such transmissions are roughly 120 usec long and consist of 1 usec long bursts encoded with pulse position modulation (PPM) modulated onto the carrier using on-off keying (OOK). current
• 20:2720:27, 18 August 2025 diff hist +230‎ N File:Aircraft-navigation-signal-ModeAC.png ‎ This is a Mode A or Mode C transmission. It's a roughly 21 usec transmission consisting of up to 14 bursts. This was captured with a RTL-SDR at 2.4 MHz, then upsampled to 24 MHz to smooth out the time domain display. current
• 20:2120:21, 18 August 2025 diff hist 0‎ N File:Aircraft-navigation-signal-full-display.png ‎No edit summary current
• 20:1120:11, 18 August 2025 diff hist +130‎ N File:Aircraft-navigation-receiver-flowgraph.jpg ‎ Flowgraph to create a receiver for Mode A/C/S and ADS-B aircraft navigation signals. The SDR front end is a RTL-SDR. current
• 19:1219:12, 18 August 2025 diff hist 0‎ N File:Time-domain-display-with-trigger-stable-waveform.png ‎No edit summary current
• 19:0319:03, 18 August 2025 diff hist +10,574‎ N Basic Time Display ‎ Created page
• 19:0319:03, 18 August 2025 diff hist 0‎ N File:Time-domain-varying-no-trigger.gif ‎No edit summary current
• 19:0219:02, 18 August 2025 diff hist 0‎ N File:Time-domain-untriggered-flowgraph.jpg ‎No edit summary current
• 19:0219:02, 18 August 2025 diff hist 0‎ N File:Time-sink-trigger-tab-defaults.png ‎No edit summary current
• 19:0119:01, 18 August 2025 diff hist 0‎ N File:Time-domain-display-showing-trigger-level-and-slope.jpg ‎No edit summary current
• 19:0119:01, 18 August 2025 diff hist +85‎ N File:Time-domain-display-video-signal-large-time.png ‎ Time domain display of a NTSC video signal showing two fields of video. current
• 18:5918:59, 18 August 2025 diff hist 0‎ N File:Time-domain-display-video-signal-cursor2.png ‎No edit summary current
• 18:5918:59, 18 August 2025 diff hist 0‎ N File:Time-domain-display-video-signal-cursor1.png ‎No edit summary current
• 18:5818:58, 18 August 2025 diff hist +118‎ N File:Time-domain-display-baseband-NTSC-video-signal.png ‎ Time domain display showing several lines of a NTSC (National Television System Committee) video signal. current
• 18:5818:58, 18 August 2025 diff hist 0‎ N File:Time-domain-display-flowgraph-video-signal.jpg ‎No edit summary current
• 18:5718:57, 18 August 2025 diff hist 0‎ N File:TimeDisplay02.jpg ‎No edit summary current
• 18:5718:57, 18 August 2025 diff hist 0‎ N File:MeasuringTimePeriod.jpg ‎No edit summary current
• 18:5518:55, 18 August 2025 diff hist 0‎ N File:Time-domain-with-zero-line.png ‎No edit summary current
• 18:5518:55, 18 August 2025 diff hist +64‎ N File:Basic-time-display-flowgraph-02.jpg ‎ Basic time display flowgraph with zero line input. current
• 18:5218:52, 18 August 2025 diff hist +50‎ N File:TimeDisplay01.png ‎ Time display showing basic sinewave. current
• 18:2018:20, 18 August 2025 diff hist +65‎ N File:MeasuringTimeAmplitude.jpg ‎ How to measure amplitude of a time domain waveform. current
• 18:1918:19, 18 August 2025 diff hist +67‎ N File:Basic-time-display-flowgraph-01.jpg ‎ Basic flowgraph to demonstrate a time domain display. current
• 18:1818:18, 18 August 2025 diff hist +66‎ N File:HP120B-oscope-Jeff-Peletz.jpg ‎ Image of a Hewlett-Packard 120B analog oscilloscope. current

29 July 2025

• 16:1816:18, 29 July 2025 diff hist +136‎ Soapy HackRF Source ‎ Corrected issue with the "bandwidth" setting. current
• 16:1816:18, 29 July 2025 diff hist 0‎ File:SoapyHackrfSource.jpg ‎ Jesternofool uploaded a new version of File:SoapyHackrfSource.jpg current
• 14:5114:51, 29 July 2025 diff hist −23‎ Soapy HackRF Source ‎ Removed "stub block" category
• 14:4914:49, 29 July 2025 diff hist +1,413‎ Soapy HackRF Source ‎ Added description and image of the HackRF One along with an example flowgraph.
• 14:4614:46, 29 July 2025 diff hist +121‎ N File:SoapyHackRF-Source-display.png ‎ Frequency display showing NOAA weather radio service signals and controls for the SoapyHackRF source block. current
• 14:4114:41, 29 July 2025 diff hist +67‎ N File:SoapyHackrfSource.jpg ‎ Flowgraph using the HackRF One with the Soapy source.
• 14:1414:14, 29 July 2025 diff hist 0‎ File:HackRF-One-fully-annotated.jpg ‎ Jesternofool uploaded a new version of File:HackRF-One-fully-annotated.jpg current
• 14:0814:08, 29 July 2025 diff hist +168‎ N File:HackRF-One-fully-annotated.jpg ‎ Board view of the HackRF One, with annotations for the antenna input, USB output, RF amplifier, RF transceiver (with IF and BB amplifiers), and digitizer.

26 July 2025

• 17:2417:24, 26 July 2025 diff hist −7‎ SuggestedReading ‎ →‎C++: Changed link for Bruce Eckel's "Thinking in C++" to correct a dead link. current
• 00:4500:45, 26 July 2025 diff hist +583‎ Descrambler ‎ Added simple example for "Scrambler" and "Descrambler" blocks. current
• 00:4300:43, 26 July 2025 diff hist +584‎ Scrambler ‎ Added simple example for "Scrambler" and "Descrambler" blocks. current
• 00:4100:41, 26 July 2025 diff hist +89‎ N File:NovelTextfromDescrambler.jpg ‎ Terminal showing text from output of simple example of "Descrambler" block. current
• 00:3900:39, 26 July 2025 diff hist +81‎ N File:DescramblerTimeDomainDisplay.png ‎ Time domain display from simple example of the "Descrambler" block. current
• 00:3600:36, 26 July 2025 diff hist +78‎ N File:DescramblerExampleFlowgraph.jpg ‎ Simple example flowgraph for the use of the "Descrambler" block. current
• 00:3200:32, 26 July 2025 diff hist +85‎ N File:ScramblerTimeDomainDisplay.png ‎ Time domain display of randomized bitstream from the "Scrambler" block. current
• 00:2500:25, 26 July 2025 diff hist +70‎ N File:ScramblerExampleFlowgraph.jpg ‎ Flowgraph for a simple example of the "Scrambler" block. current

25 July 2025

• 20:1020:10, 25 July 2025 diff hist +944‎ Descrambler ‎ Added to description and how it works with the Scrambler block.
• 19:3719:37, 25 July 2025 diff hist 0‎ N File:Multiplicative-descrambler-7-stage-diagram.jpg ‎No edit summary current
• 19:1119:11, 25 July 2025 diff hist +571‎ Scrambler ‎ Added to description with connection to Descrambler block.
• 01:2401:24, 25 July 2025 diff hist +67‎ Scrambler ‎ Added clarification for length.