Category Archives: Radio

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

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

Posted in Computing, Radio | Tagged , , , , , , | Leave a comment

Melb2016: Around the “Den” & Leaving Melbourne (Part 11)

After a long series of posts, my time in Melbourne is just about up. This part covers the tail end of the trip, namely where I stayed and heading out of Melbourne. The “Den” Even though the trip was mostly … Continue reading

Posted in Radio, Travel | Tagged , , , , | Leave a comment

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

Posted in Audio, Computing, Radio, Travel | Tagged , , , , , , , | Leave a comment

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

Posted in Computing, Radio, Travel | Tagged , , , , , , , | Leave a comment

Freeview Update: 7flix “now available on more TVs”

While watching TV yesterday evening, I heard the ad for 7flix’s line up say, rather clearly, now available on more TVs or something to that effect. That alerted me to a change to Channel 7’s multiplex configuration, which means it’s … Continue reading

Posted in Radio, Telecommunications | Tagged , , , | Leave a comment

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

Posted in Computing, Radio, Travel | Tagged , , , | Leave a comment

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

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

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

Posted in Computing, Electronics, Radio, Raspberry Pi | Tagged , , , , | Leave a comment

Quick Review, Teardown: Uniden DECT 1015 Cordless Phone

Since I’ve been playing around recently with running my own Asterisk server at home and having many ATAs to create internal extensions to create virtual POTS lines to play with modems and other telephony devices, I desperately needed some nice … Continue reading

Posted in Electronics, Radio, Telecommunications | Tagged , , , , | Leave a comment

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

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

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

Posted in Obituary, Radio, Tech Flashback | Tagged , , | 8 Comments

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

Posted in Radio | Tagged , , , | 6 Comments

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

Posted in Radio | Tagged , , | Leave a comment

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

Posted in Radio | Tagged , | 1 Comment

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

Posted in Radio | Tagged , , , , | Leave a comment

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

Posted in Radio | Tagged , , , | 2 Comments

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

Posted in Radio | Tagged , , , , , | Leave a comment

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

Posted in Radio | Tagged , , | Leave a comment

Project Adverpising: A Wi-Fi Beacon with Raspberry Pi

Privacy is a major issue, especially as we continue to gear-up and carry various wireless devices which emit signals which can be used to track our movements, be it just a smartphone with Wi-Fi turned on, probing for access points … Continue reading

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

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

Posted in Event, Radio | Tagged , , , | Leave a comment

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

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

Teardown, Experiment: ST Gold (MTI) AP8-T2J & BAS 11300Mhz LNBs

An integral part of any satellite receiving system is the low-noise block downconverter (LNB), sometimes incorrectly called a “low-noise block”. As satellites use high frequencies of ~3-5Ghz for C-band and ~10-13Ghz for Ku-band transmissions and are very limited in transmission, … Continue reading

Posted in Electronics, Radio, Satellite | Tagged , , , , | Leave a comment

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

Posted in Radio, Satellite | Tagged , , , , | 2 Comments

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

Posted in Radio, Satellite | Tagged , , , , | Leave a comment

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

Posted in Radio, Satellite | Tagged , , , , | Leave a comment

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

Posted in Radio, Satellite | Tagged , , , , , , , | 1 Comment

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

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

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

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

RoadTest: Tektronix RSA306 USB 3.0 Real-Time Spectrum Analyzer

Thanks to element14 and Tektronix, I was lucky enough to be a RoadTester of the Tektronix RSA306 USB 3.0 Real-Time Spectrum Analyzer, along with a Lenovo Thinkpad Edge E431 Laptop. This product is very unique, and interesting, as it offers … Continue reading

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

Project: Extracting & Geographically Plotting DTRS Site Information

As a radio enthusiast, and highly observant public transport user, I’ve made many notes about the deployment of the new Digital Train Radio System (DTRS) sites. This new system is based upon GSM-R in the 1800Mhz band, and is intended … Continue reading

Posted in Radio, Telecommunications, Travel | Tagged , , , | 1 Comment