Tag Archives: sdr

Project: A WebSDR Recorder using Python, Selenium WebDriver, Geckodriver & Firefox

Posted on December 5, 2022 by lui_gough

Having recently reported receiving QSL cards for the Ghosts in the Air Glow program, I thought it would be nice to report on a little project I undertook just-in-time for the last transmission that occurred in October 2022. While ultimately … Continue reading →

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QSL Cards: Ghosts in the Air Glow (G1TÆG) & High-Frequency Active Auroral Research Program (HAARP)

Posted on December 4, 2022 by lui_gough

This post will be about receiving QSL (reception acknowledgement) cards from Amanda Dawn Christie (VE9OHM), a transmission artist from Canada who was responsible for the “Ghosts in the Air Glow” program. Such experiments occasionally are run for a limited schedule, … Continue reading →

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Project: NAVTEX Message Gallery (August-September 2019)

Posted on October 5, 2019 by lui_gough

As a bit of a radio enthusiast, I’ve been into trying to receive distant LF/MW/HF services for many years. While reception at home has steadily become more difficult, the world of KiwiSDRs and WebSDRs have injected new life into the … Continue reading →

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Lucy Helton’s SSTV Ham Radio Project: a “Reception Experience” Remixed Microsite

Posted on August 11, 2019 by lui_gough

During the period of 9th to 23rd April 2019, Lucy Helton (KD2MFV) partnered with Jón Þ Jónsson (TF3JA) to embark on creating a transmission artwork which was known as the “SSTV Ham Radio Project”. The transmissions were sent on the … Continue reading →

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Radiofax Tips: Modify kiwifax.py for Better DX Use, Slant Correction Factors & Status

Posted on February 10, 2019 by lui_gough

The past few weeks have been quite busy with radiofax monitoring – a small project inspired by the existence of KiwiSDRs and WebSDRs and a desire to preserve what little “analog” utility stations we might have left on the HF/shortwave … Continue reading →

Posted in Radio | Tagged , , , , , | 4 Comments

Quick Tip: Use kiwirecorder.py to Automate Recordings & Evade Inactivity Time-Outs

Posted on January 28, 2019 by lui_gough

If you’re like me and only recently discovered the beauty of KiwiSDR, you might have encountered a few niggles with monitoring transmissions over longer periods in the form of time-outs. One of the more annoying time-outs is the inactivity time-out … Continue reading →

Posted in Computing | Tagged , , | 1 Comment

WebSDRs: The Urban SWL’s Dream, a DXers’ Tool, & the End of DXpeditions?

Posted on January 5, 2019 by lui_gough

Recently, I have been getting back into some shortwave listening and utility monitoring, but not quite in the conventional sense. I still have my own local conventional radio, SDR and loop antenna. But now, I also have the power of … Continue reading →

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Project: Scanning the Orion DMR Network (Kurrajong Heights Base)

Posted on August 19, 2018 by lui_gough

I was sitting in my room the other day and something seemed off. It was quiet. Too quiet. But why? As it turns out, I used to have a scanner radio active in idle times to listen to what was … Continue reading →

Posted in Radio | Tagged , , , , , , | 9 Comments

An Incomplete Repair: BladeRF x40 Software-Defined Radio

Posted on November 5, 2017 by lui_gough

My last trip to Singapore, Japan and Hong Kong kept me away from home for 80 days, in which time I thoroughly enjoyed doing things I couldn’t otherwise do from home. Despite arriving back home almost a month ago, it … Continue reading →

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Canb2016: Part 6 – DAB+, DVB-T, FM Broadcast & Other Radio Scanning

Posted on December 10, 2016 by lui_gough

It’s been a busy day of analysis to bring this part of my Canberra trip to a posting, but I suppose, it’s probably good that I’ve done the analysis before the data got too stale. In this post, I will … Continue reading →

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Radio: DAB+ in Sydney (25 Nov 2016) – Service Info & Slideshows

Posted on November 26, 2016 by lui_gough

I was contacted a little while ago by the maintainer of FMLIST, an online database of worldwide FM radio, DAB and TV information. He appreciated my posting on Melbourne’s DAB radio stations that I made in my trip down there … Continue reading →

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Experiment: Sydney WFM Broadcast RDS (TMC, RT+) & ACS Audio

Posted on October 9, 2016 by lui_gough

Since my last posting about subcarriers, I decided to do a little more digging around and try to understand more about the Open-Application RDS data and try a better approach at recovering the audio from the ACS (otherwise known as … Continue reading →

Posted in Computing, Radio | Tagged , , , , , | 4 Comments

Experiment: Examining Sydney WFM Subcarrier Signals (RDS, ACS)

Posted on October 3, 2016 by lui_gough

When I was still in school, I can remember my Dad buying a “special radio” from a broadcaster to listen to some ethnic radio broadcasts. The radio was quite expensive, and it looked and felt just like a regular portable … Continue reading →

Posted in Computing, Radio | Tagged , , , , , | 7 Comments

Getting Started: Nuand BladeRFx40, XB-200 Transverter, Case & SDRSharp

Posted on August 5, 2016 by lui_gough

This is one of those posts that I should have compiled and put up a long time ago, but never really got around to. Right now, I probably shouldn’t be blogging (since there are more pressing things to attend to), … Continue reading →

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Project: ADSB-pi Mark 2 with dump1090, hostapd, dnsmasq & text logging

Posted on July 3, 2016 by lui_gough

This is one of the things that I’ve done a long while ago, but never had the time or inclination to actually put together a post. You might remember the first iteration of the ADSB-pi back in 2013, which was … Continue reading →

Posted in Computing, Raspberry Pi | Tagged , , , , , | 8 Comments

Melb2016: DAB+ Scanning & Slideshow Images (Part 10)

Posted on June 15, 2016 by lui_gough

In my last post scanning the airwaves in Melbourne, I commented on just how difficult it was to get acceptable FM reception in the hotel. As it turns out, the DAB+ digital radio signals were much easier to receive, and … Continue reading →

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Melb2016: Scanning the Airwaves from DC to Daylight (Part 9)

Posted on June 15, 2016 by lui_gough

Most of my posts so far about my trip to Melbourne have been revolving around photography in a tourist sense, or as a tram-spotter. While some of the observations included some technical aspects, they were all visible and evident if … Continue reading →

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Reverse Eng Pt 2: Watts Clever Easy-Off w/SMART Box (ES-AUS1103)

Posted on April 13, 2016 by lui_gough

Continuing on from my last post about the Watts Clever Easy-Off Sockets with Smart Box, there were a few things still bugging me in the back of my head. After all, they do advertise that their other system has >1 … Continue reading →

Posted in Electronics | Tagged , , , , , , , , , , | 9 Comments

Reverse Eng: Watts Clever Easy-Off Sockets w/SMART Box (ES-AUS1103)

Posted on April 10, 2016 by lui_gough

Internet-of-things and home automation seem to be the cool thing nowadays, and remote controlling things is something many have been dabbling with, sometimes rather unsafely. Imagine my surprise when I walk into a Jaycar, and see a kit of IR-and-RF … Continue reading →

Posted in Electronics | Tagged , , , , , , , , | 7 Comments

Project: Scanning Sydney’s DAB+ & FM Broadcasts

Posted on April 11, 2015 by lui_gough

While on holiday in Hong Kong, I did some scanning of broadcast services over there and SydneyCityTV tipped me off that there were indeed slideshow services on DAB+ here in Sydney as well. It’s funny how we “get used to” … Continue reading →

Posted in Computing, Radio | Tagged , , , , , , | 6 Comments

Trip to HK & CN 2014 – Part 5: RTL-SDR, More Radio, AIS & Night Photos

Posted on March 28, 2015 by lui_gough

It’s been a while since the trip, but I’ve been just way too busy lately to post anything more about the experiments and photos I’ve taken during my trip. The trip continues, with this part focusing mostly on more radio … Continue reading →

Posted in Computing, Photography, Radio, Telecommunications, Travel | Tagged , , , , , , | 8 Comments

Quick Review, Teardown: Efergy Elite Classic 2.0

Posted on December 22, 2013 by lui_gough

For those who have read my last teardown of the Efergy HM01 Energy Monitor, they would have noted my discovery that it was not compatible with EfergyRPI_001 decoding through rtl-sdr due to a different FSK data format. I haven’t had … Continue reading →

Posted in Electronics, Photography | Tagged , , , | 2 Comments

RTL-SDR: 433.92Mhz ASK/OOK Decoding of Various Devices with rtl_433

Posted on December 20, 2013 by lui_gough

Since I got into the rtl-sdr craze, one thing I’ve always been interested in doing is decoding various sensors and remote controls which operate using RF. In order to do this, you must first acquire the signal, understand its modulation … Continue reading →

Posted in Computing, Radio | Tagged , , , | 32 Comments

More RTL2832U Tuners: Full-Size FC0013, Mid-Size R820T

Posted on December 12, 2013 by lui_gough

Since I got into rtl-sdr, there really hasn’t ever been enough tuners for me to play around on a given day. Now that I have a substantial tuner collection (three E4000’s, three R820T’s just for experimentation), I always feel the … Continue reading →

Posted in Radio | Tagged , | 7 Comments

Random Post: Ankle, Aldi Mobile “Unlimited”, Xmas Post, Device Updates, Pennytel, etc.

Posted on November 26, 2013 by lui_gough

Hello guys! I’m back, but unfortunately, my body isn’t. I’ve spent a bit of time, in bits, collecting some thoughts which I should have posted about but haven’t had the motivation or time. Hopefully that keeps my readers a little … Continue reading →

Posted in Computing, Electronics, Opinion, Photography, Radio, Raspberry Pi, Telecommunications, Uncategorized | Tagged , , , , , | Leave a comment

RTL-SDR: Elonics E4000 Tuners are Elusive!

Posted on October 23, 2013 by lui_gough

I think that most will have already realized that it is old news that Elonics had folded and supplies of the E4000 tuner ICs were getting short. But for some applications, the Elonics E4000 is still the preferred tuner, owing … Continue reading →

Posted in Computing, Electronics, Radio | Tagged , | 4 Comments

Project: ADSBpi with dump1090

Posted on July 14, 2013 by lui_gough

Just this week, I managed to pick up two Raspberry Pi Model B boards and Multicomp clear cases from element14. I already had something in mind for one of the two RPis – as an ADS-B server. If you aren’t … Continue reading →

Posted in Computing, Electronics, Raspberry Pi | Tagged , , , | 5 Comments

RTL2832U+R820T Full Size USB TV Tuner

Posted on July 14, 2013 by lui_gough

A quick recap – RTL2832U based TV tuners are great for software defined radio work. They’re inexpensive, and can be used to receive and demodulate a fair number of different signals. I’ve even written a few articles about what they … Continue reading →

Posted in Computing, Electronics, Radio | Tagged , , , | 1 Comment

ADSB# Range Testing with the RTL2832U+R820T Tuner

Posted on July 7, 2013 by lui_gough

I’ve covered ADSB# in one of my earlier articles, even going so far as to take my E4000 dongle to the airport for a spin. But as we now know, Elonics (the guys behind the E4000 front end) have gone … Continue reading →

Posted in Computing, Radio | Tagged , , | 5 Comments

RTL2832 (ISDB Mini) ADS-B Reception Field Test

Posted on June 19, 2013 by lui_gough

After I realized that the RTL2832 TV dongles were capable of receiving and decoding ADS-B transmissions from aircraft using ADSB#, I really couldn’t resist testing it out further. It was a simple one-click (well, almost) procedure, unlike the early incarnations … Continue reading →

Posted in Computing, Radio | Tagged , , , | 14 Comments