Tag Archives: radio

Melb2016: Going to the OzWater’16 Conference (Part 1)

It’s been almost a month since my trip down to Melbourne for the OzWater’16 conference, and it’s taken me this long to get all my data together and partially processed so that I could start blogging about it. I suppose … Continue reading

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Failed: Cheap and Nasty SMA Right-Angle Adapter (& Site Update)

If you’re a bit of a radio equipment user like myself, you’ll find that you’ve always got an amazing array of different connector needs. For example, you might have some older TV tuners with a “PAL” connector, some satellite equipment … Continue reading

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Freeview Update: 7HD Sydney’s (sort of) Launch?

A few weeks back, a kind tweet from a reader let me know that 7HD Melbourne was on the air and broadcasting. While I was down in Melbourne, I wasn’t fortunate enough to be able to scrape together a transport-stream … Continue reading

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Shootout: Four 433.92Mhz ASK/OOK Transmitter Modules Compared

The Arduino had a big hand in making people play with electronics and create their own little devices to solve their problems. A desire for low-cost wireless connectivity has led to many people purchasing low-cost 433.92Mhz ASK/OOK modules to create … 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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Telstra’s “We’re sorry” day Experiment: 4G LTE Speed vs Time of Day

Rather embarrassingly, on February 9th, Telstra suffered a significant mobile outage across the country owing to human error in handling a hardware failure in a set of redundant mobile nodes, resulting in the shut down of too many nodes and … Continue reading

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Freeview Update: 7flix launches 28th February

Channel 7 had been teasing us with a New Channel Coming Soon since some-time in December last year, and speculation went wild as to what might happen. Many ideas were floated by various online forum members, no least, in Austech … Continue reading

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Tech Flashback: Gold Apollo AL-924-T Synthesized POCSAG Pagers

Just recently, I posted about my Motorola Advisor pagers, which got me interested in acquiring a more modern style of pager – namely one with a frequency synthesizer so that I don’t have to worry about ordering custom cut crystals … Continue reading

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Tech Flashback: Motorola Advisor POCSAG 512/1200bps Pager

When I heard last week that the Motorola branding was going to be shelved and replaced by “Moto by Lenovo”, like many others online, I felt a tinge of sadness as if another great tech brand had fallen by the … Continue reading

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Freeview Updates: TVS off the air, Ch 7 “New Channel” Coming Soon

As I haven’t been watching TV very closely as of late due to my excessively busy schedule, I hadn’t noticed that two relatively major things have happened in the Sydney Freeview space. On 20th December 2015, our community TV station … Continue reading

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Radio: Monitoring the 2015 Sydney to Hobart Yacht Race on HF Radio

The Sydney to Hobart Yacht Race is an annual event, starting on Boxing Day (26th December), racing a distance of around 1170km from Sydney, NSW to Hobart, TAS, Australia. This race is considered one of the most difficult yacht races … Continue reading

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Teardown: A Failed Efergy Elite (Classic) 1.0 Energy Monitor

As part of a push to drive the home’s electricity consumption down and better understand how energy was being utilized, I installed a clamp-style wireless energy monitor from Efergy in the house. Operating over 433Mhz, the transmissions were also useful … Continue reading

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Review, Teardown: Belkin WeMo Switch (F7C027au)

All of this home automation stuff is admittedly a little addictive – being the curious type, I’ve always wanted to see how far these things can go. As a result, in addition to buying the Belkin WeMo globes at a … Continue reading

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Review: Belkin WeMo Smart LED Globe & Test w/OSRAM LIGHTIFY

When it comes to Zigbee-enabled smart lighting devices in Australia, the one predominant vendor at this moment is Belkin with their WeMo system. While the WeMo system itself has its share of mixed feedback, it was reported by Belkin that … Continue reading

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Review: OSRAM LIGHTIFY Smart Connected Lighting System

As we rapidly move towards an IP-connected society, with buzzwords such as “internet-of-things” and “sensor networks”, suddenly the concept of home automation has become cool again. No, we’re not talking about the old fashioned expensive, temperamental, slow and clunky power-line … Continue reading

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Sony AN-LP1 Active Loop Antenna: What about putting it outside?

In the previous part, I was looking at improving the performance of the Sony AN-LP1. With the modifications not really achieving the desired effect, I decided to do what most sensible people might do – put the antenna outside, so … Continue reading

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Teardown, Modification: Sony AN-LP1 Active Loop Antenna

When an engineer isn’t happy with something, they often try to “fix” it. Sometimes this ends up in hilarious failure where the said object becomes more broken than when they started. Sometimes it ends up in success, but most of … Continue reading

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Review: Sony AN-LP1 Indoor Shortwave Active Loop Antenna

One of my plans after I finish my PhD is to take some time off and travel the world. Being an engineer at heart, I don’t just take “regular” holidays – I need to bring my hobbies and experiments along. … Continue reading

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Review, Teardown: Unbranded “Generic” vs WiNRADiO WR-LWA-0130 Longwire Adapters

Anyone who wants to listen to shortwave radio, or monitor high frequency transmissions, would have met the dilemma of trying to get a decently performing antenna. As it stands, most smaller radios with inbuilt telescopic antennas rarely reach more than … Continue reading

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QSL Cards: HFCC-ASBU B15 Conference (Radio Vaticana & KTWR)

Twice every year, the High Frequency Coordination Conference (HFCC) is held to decide on frequency allocations for HF frequency users (i.e. shortwave broadcasters, utility stations, etc) for half of the year (i.e. schedule A or B, sometimes referred to as … Continue reading

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Visited: Comms Connect 2015 Sydney (3 – 4 June)

It’s been a busy week full of events. Earlier this week saw Comms Connect land in Sydney, held at Sydney Showground at Olympic Park. Comms Connect is a trade expo which is targeted at critical communication users and those involved … Continue reading

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Review: Prof Revolution S2 8000 PCI-E Satellite Tuner Card

Very recently, I was thinking of expanding my satellite system with a third and fourth receiver, only to be shocked to discover that my favourite tuner (the pricey, but otherwise rock solid TBS 6925) has been discontinued. The replacement, the … 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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Satellite Hunting: AsiaSat 4 (122 E), Thaicom 4 (119 E) & AsiaSat 3S (118 E)

The hunt continues with this fourth installment, where we take a look at a few satellites towards the west. AsiaSat 4 at 122 degrees East AsiaSat 4 was launched April 2003, on a high power variant of the Boeing BSS-601 … Continue reading

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Satellite Hunting: Intelsat 8 (169 E), Intelsat 5 (157 E), Measat 2 (148 E) & Apstar 9A (142 E)

Here comes a third installment of satellite hunting, and this time, we’re looking for four relatively quiet satellites which we don’t know of any steady Ku band signals beamed to Sydney. Will I be successful? You’ll have to read on … Continue reading

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Satellite Hunting: Intelsat 18 (180 degrees E) & Eutelsat 172A (172 degrees E)

Let me start with a Happy Easter to everyone! Having a few days off for a long weekend really lets me get back to what I like doing – which includes writing blogs. This post continues in the series of … Continue reading

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Experiment: Satellite Hunting for Optus 10 (164 degrees East)

By now, I think it’s clear that I’ve got a bit of an interest in electronics and most things RF related. As a result, I spend a bit of time trying to grab signals of various sorts, be it regular … Continue reading

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Teardown: Xiamen Seebest 3-way CATV Directional Coupler/Splitter

Back in 2013, when I was first building my first trial DVB-T TV tuner server, I had decided to cheap out and buy a two port Xiamen Seebest amplifier, max out the gain at 20dB and have that feed a … 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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