Category Archives: Radio

Radiofax Update: Farewell ZKLF / ZLG2 (New Zealand MetService)

I’ll begin this week’s blog-fest with a rather sad post. In prior years, I spent quite a bit of time adventuring around the HF/shortwave bands looking to preserve various things in the knowledge that it would, one day, disappear. In … Continue reading

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

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)

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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Rand(): Equipment Retirements, Tower Upgrade, Scam Calls, Smart Shopping, Rail Strikes & More

It’s been way too long since my last random post, which seems to be the norm rather than the exception, as I’ve kept myself busier than usual. But eventually, I find the time to flush those thoughts out to a … Continue reading

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DRW2022 – Pt5: Digital TV (DVB-T), Digital Radio (DAB+) & FM Radio Analysis

It’s not a Gough kind of trip without bringing along some radio gear and doing some analysis of the radio signals in the area. This part is perhaps the most involved, as I toted home several hundred gigabytes of raw … Continue reading

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Random: B’day Analysis, element14 Updates, Odd Repairs, Sad Chicken, Free Travel & More

It’s another long weekend … but I can’t let this one get away from me. It’s time to celebrate, hack, despair and chuckle all in the one random post! Happy Birthday to Me … It’s hard to believe, but I’m … Continue reading

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Teardown: Winext AN-303 LoRaWAN Temperature/Humidity Sensor

For those who have followed my recent media appearance, they will probably be aware that the institute where I work has recently relocated to a brand-new facility called the Westmead Innovation Quarter. As part of this new building, there is … Continue reading

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Radiofax Update: JFW Ceases Operations, XSG IR Image & Cyclone Charts

While I’ve previously spent quite a lot of time trying to receive and catalogue radiofaxes from around the world using the marvel of modern SDR technology, I haven’t had much time to keep up with the most recent developments as … Continue reading

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Lucy Helton’s SSTV Ham Radio Project 2021 – The Beauty of Shortwave

It’s been a little quiet around the blog lately. Part of this has been down to working from home and the draining prospect of the indefinite lockdown we are facing in Sydney at this time. Another part has been the … Continue reading

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Radiofax: St. Petersburg, Russia (ROSKON, FGBU North-West UGMS?)

My apologies to all – this post is a bit belated, as since my last radiofax update, I have been exceptionally busy with a number of projects and my multiple jobs that I had sidelined my radiofax hobby for a … Continue reading

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Radiofax Update: JFX (Japan), RBW41(?) & Vanino Radio (Russia) (Nov 20 – Jan 21)

Over the past few months, while I haven’t gotten around to posting anything about radiofax, things have been very busy. I have been given a number of interesting bits of information from readers and been encouraged to seek out certain … Continue reading

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Radiofax: XSQ Guangzhou, China (South China Sea Marine Weather Forecast Center, CMA)

Those who may have enjoyed my radiofax series may have noticed that there haven’t been any posts in a while. This is partly because I’ve just about covered all of the presently-operating services and haven’t had much time to revisit … Continue reading

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Repair: Audiosonic Nora Mantle DAB+ Radio (DS446+) Battery Swap

Earlier this week, my Dad handed me a little assignment – see if I could fix his DAB+ radio. The Audiosonic Nora Mantle (DS446+) isn’t exactly a special or expensive DAB+ radio. In fact, my Dad purchased it for all … Continue reading

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Visited: Central Coast Amateur Radio Club (CCARC) 62nd Wyong Field Day (23 Feb 2020)

It’s 3:50am on a Sunday. My wristband buzzes. I roll out of bed, semi-conscious. It’s a time when most would be in bed, soundly asleep. But for me, just like last year, it’s time to make the annual pilgrimage up … Continue reading

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Project: Spectrum Analysis on NBN Hybrid-Fibre Coaxial (HFC) Connection

It seems that it’s been a long road to the NBN. Looking back, I find it hard to believe that its origins date back to 2006 – a whole 14 years ago. Initially, I was one of the proponents, being … Continue reading

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Project: HF Radio Time Signal Stations – The “Constant” On The Air (Jan 2020)

I was a bit undecided after doing my last little HF “project”, what would be the next sort of station I would look at. But the answer was under my nose all along – I should do a posting about … Continue reading

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Radiofax Update: JJC Kyodo – Still Alive in 2020!

I had previously taken a lot of effort to catalogue the faxes from JJC Kyodo, my favourite radiofax station of all. Seeing as it was just again new years, I wanted to try receiving the New Year’s fax from Kyodo. … Continue reading

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QSL Card: Lucy Helton (KD2MFV)’s Ham Radio Project

In 2019, I spent some time receiving transmissions from various experimental radio projects including those of Lucy Helton’s Ham Radio Project. The first set of transmissions were received from Iceland, with a microsite set-up to showcase the images in an … Continue reading

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Project: USAF HF Global Communications System Audio Gallery (Dec 2019)

When I started taking an interest in HF radio over a decade ago, one of the things I lamented was my vantage point from Australia. Being in the “middle of nowhere”,  we rarely hear the same variety of signals as … Continue reading

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Project: HF Weather Broadcast Audio Gallery – Vol. 2 (December 2019)

The first real post for 2020 is actually this posting which serves to finish something I had started in October 2019 in preserving the sounds of HF weather broadcasts. While I had successfully catalogued a good number of transmissions from … Continue reading

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Project: HF Weather Broadcast Audio Gallery (October-November 2019)

The more I look at the world of radio in the traditional sense, the more it feels under threat. As a relatively late-comer to the shortwave and HF radio listening hobby and amateur radio, I’ve had the displeasure of seeing … Continue reading

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Project: NAVTEX Message Gallery (August-September 2019)

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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Experiment: In search of NB-IoT, 4G & 5G signals on the air

It seems that at least every decade, wireless telecommunications makes a significant leap in the form of a new generation of air-interface technology which puts the latest developments in radio technology into the consumer’s hands. Right now, we are actually … Continue reading

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Random: Media Appearances, Ticket-less Parking Meters, Transport Observations, A Funny Battery & More

While being busy is the default state for me, sometimes I just need to take the time to unwind and offload. That can only mean one thing – another random post full of random observations and thoughts. Media Appearances One … Continue reading

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Analysis: Freeview TV Services (6-7th Sept 2019)

It’s been almost a year since I last analysed what was on the air on Freeview in Sydney and a number of people have asked that I take another look to tally up the bitrates and formats on air. Unfortunately, … Continue reading

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RoadTest Review: Cypress EZ-BT™ Mesh Evaluation Kit (CYBT-213043-MESH)

Internet of Things (IoT) connectivity is an area which is constantly evolving, with pressures towards having lower power, smaller footprint, longer ranges, interoperability/compatibility with standards and good throughput. In many consumer “smart-homes”, there may be a mixture of technologies used, … Continue reading

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

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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RoadTest: IDT SDAWIR03 Wireless Flow Rate, Humidity & Temperature Sensing Evaluation Kit

It’s been relatively quiet recently on the blog as I’ve been absolutely inundated with things to do, both from work and my own hobby interests. Recently, I was fortunate enough to be awarded a rare opportunity to run three parallel … Continue reading

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long Rnd(): Birthday Analysis, Spoiling Myself, Fixing Stuff, Thrifty Finds, Parking Tickets & More

It’s been a busy long-weekend, but there’s no better post than a “long random” for a long weekend! This time around, it just so happens to be my birthday as well. Happy Birthday to Me? Really? Well, what can I … Continue reading

Posted in Audio, Computing, DIY, Radio, Tech Flashback, Uncategorized | Tagged , , , , , , , , , , , , | 6 Comments

rnd(): Ghosts in the Air Glow, Networking Woes, Surprise T-Shirt, Opal Receipts & Parking Tickets

It’s been another busy week, as usual, but I guess it’s nice to be occupied. You wouldn’t want to be bored … so I thought it would be a good time to make this “random” post that covers some things … Continue reading

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