Tag Archives: rtl2832

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

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

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

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

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

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

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

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

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

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)

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)

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

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

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

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Project: Scanning Sydney’s DAB+ & FM Broadcasts

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

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

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

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Quick Review, Teardown: Efergy Elite Classic 2.0

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

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

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

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Obituary: Analog TV in Sydney (1956(ABC,ATN,TCN)/1964(TEN)/1980(SBS) – 3 Dec 2013)

We all knew it was coming. The government did a good job of warning us, and today the day has arrived. As I write this, I feel some sort of sadness that a technology which has served us, incrementally improved … Continue reading

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

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

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Analyzing the Efergy HM01 Air Data Format

Isn’t it funny how having the Efergy HM01 power meter sitting on my desk, looking all “sad” from not being used makes me suddenly want to make an effort to try and reverse engineer the air interface? I suppose part … Continue reading

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Review, Teardown: Efergy HM01 Electricity Display Device

When you’re onto a good thing, I suppose it’s natural to just keep going. Knowing that my Efergy Elite 1.0 can be decoded using RTL-SDR, and knowing the e2 (presumably that is, the e2 classic that Nathaniel has) can also … Continue reading

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Random: Arrgh, my ankle! Energy Monitor Fun – tracing “vampire loads”

Another week goes by, and strangely, my ankle is still busted. As a result, life has been about being content with being bedridden most of the time and trying my best not to walk at all, in order to avoid … Continue reading

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Sharing the Data: Efergy Wireless Energy Monitor

Regular followers can already tell that I’ve been making progress in tinkering with the EfergyRPI_001 code by Nathaniel Elijah, having impressed myself with getting it working on Windows and logging data happily for days on my Chromebook. But now it’s … Continue reading

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Efergy Wireless Energy Monitor decoding now in Windows!

If it seems I’ve been a little crazy with the posts lately, you’re not mistaken. I’ve been slightly busy trying different things, and now I have some good news – you can now decode your Efergy Wireless Energy Monitor from … Continue reading

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Improving RTL-SDR Decoding of the Efergy Wireless Energy Monitor

In all of my excitement after discovering that Efergy Wireless Energy Monitors could be decoded using the data from an RTL-SDR dongle and a program written by Nathaniel Elijah, there were still several investigations I needed to conduct to determine … Continue reading

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Efergy Energy Monitor Decoding with RTL-SDR

In a very cool development, Nathaniel Elijah of RTL-SDR Projects had posted about the decoding of the Efergy E2 Classic FSK data transmissions using RTL-SDR and a Raspberry Pi. I just so happened to stumble upon his page, and knowing … Continue reading

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RTL-SDR: A tool for Visualizing Broadcast Satellite Signals

For people who chase broadcast satellite signals, we know that the vast majority of them are DVB-S/DVB-S2 signals, which can easily be scoped out with any CrazyScan capable tuner, such as the TBS6925. Even a regular blind-scan card gives you … Continue reading

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

RTL-SDR: Elonics E4000 Tuners are Elusive!

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

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Increasing ADS-B Reach with dump1090

I think it’s fairly clear from my last project of ADSBpi, my main interest is to improve the reach of my ADS-B reception and plotting. Unfortunately, most of my monitoring areas are compromises due to building construction, shadowing and sub-optimal … Continue reading

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Project: ADSBpi with dump1090

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

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RTL2832U+R820T Full Size USB TV Tuner

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

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SDR# – My favourite SDR program for the RTL2832U dongles

When the RTL2832U “SDR surprise” was being unearthed, the software of choice was GNU Radio. While it’s a very powerful tool, it was also very cumbersome to use for the most basic of tasks, and required a lot of digital … Continue reading

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RTL2832 (ISDB Mini) ADS-B Reception Field Test

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

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ADS-B with RTL-2832 based USB TV dongles made easy!

If anything, I think Realtek and ezCap are very happy companies when hobbyists discovered they could leverage a mode inside the low-cost TV-tuner chipset to get direct access to I/Q samples at a decent rate (2-3MS/s at 8 bits). Many … Continue reading

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