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Recent Posts
- Radiofax: The Quest for ZSJ Cape Naval, South Africa (+ Updates)
- Can’t Copy that Floppy? KryoFlux Can! feat. Unistat V4.53
- Opinion: Finding a Decent EU to AU (Reverse) Travel Adapter
- Failed, Teardown: Cowin E7 Pro Active Noise Cancelling Wireless Headphones
- Radiofax Tips: Modify kiwifax.py for Better DX Use, Slant Correction Factors & Status
- Radiofax: RBW41 (?) Murmansk, Russia
- Radiofax: JFX Kagoshima (Japan Fisheries)
- Radiofax: HLL2 Seoul, South Korea (Korean Meteorological Administration)
- Radiofax: NMG New Orleans, Louisiana (National Weather Service/NOAA, USA)
- Radiofax: NMF Boston, Massachusetts (National Weather Service/NOAA, USA)
- Radiofax: NOJ Kodiak, Alaska (National Weather Service/NOAA, USA)
- Tested: Generic “Sintechi” FC1307A-based SD to IDE Adapter (SD35VC0)
- Quick Teardown: Mini VGA2HDMI Converter
- Weekend Project: MMA8451Q Accelerometer as a Microphone?
- Radiofax: NMC Pt. Reyes California (National Weather Service/NOAA, USA)
- Radiofax: DDH3/DDK3/DDK6 (Deutscher Wetterdienst, Germany)
- Radiofax News: BMF Confirmed Offline, VMC/VMW Transmission Fault & Radiofax Status
- Radiofax: KVM70 Honolulu, Hawaii (National Weather Service/NOAA, USA)
- Radiofax: GYA (Northwood, United Kingdom)
- Quick Tip: Use kiwirecorder.py to Automate Recordings & Evade Inactivity Time-Outs
- Quick Teardown, Pairing: J.Burrows Wireless 2.4Ghz USB Keyboard & Mouse Combo
- Radiofax: HSW64 (Weather Forecast Division, Thai Meteorological Department)
- Radiofax: CBV/CBM (Armada De Chile, Servicio Meteorologico)
- Radiofax: JMH/JMH2/JMH4 (Japan Meteorological Agency)
- Radiofax: ZKLF (Metservice, New Zealand)
- Radiofax: SVJ4 (Hellenic National Meteorological Service, Athens Marine Meteorological Centre, Greece)
- Radiofax: VCO (Canadian Ice Service, Environment & Climate Change, Canada)
- Teardown: Cowin HE5A SportFree Active Noise Cancelling Wireless Bluetooth Earphones
- Radio: RadioFax/HF Fax Reception on KiwiSDR with kiwifax.py
- Radio: JJC/9VF Kyodo HF Fax *MEGA* Gallery (Aug 2017 – Jan 2019)
- Repair: SteelSeries Sensei “Pro Gaming” Laser Mouse (62150)
- Troubleshoot, Repair: TP-Link UE300 USB 3.0 Gigabit Ethernet Network Adapter
- Tech Flashback: Diamond SM56LE-PCT V.92 56k Internal PCI Modem (I56PSP-F40)
- Tech Flashback: KDS Converter/Measure/Calculator 5m (YS-5010ME)
- Salvage: Techway Endeavour II Computer (Part 2)
- Tech Flashback: Colourful Memories – Floppies & RAM
- WebSDRs: The Urban SWL’s Dream, a DXers’ Tool, & the End of DXpeditions?
- Review, Teardown & Test: Portable USB 18650 Li-Ion Rechargeable Fans (x3)
- Random: Happy New Year (2019) – Reflections, ABC/TBS Satellite Feed & Other Stuff
- Salvage: Techway Endeavour II Computer (Part 1)
- Teardown: Eveready General Purpose (No. 909) 6V Carbon-Zinc Lantern Battery
- Analysis: Freeview TV Services in Sydney, Australia (27th December 2018)
- Service Call: Samsung HD204UI 2TB SpinPoint F4EG Hard Drive in Trouble
- Event: Sony Alpha Sessions Sydney (6-8th December 2018)
- Review: ADATA Ultimate SU650 480GB 3D NAND SSD (ASU650SS-480GT-R)
- Review: EEVBlog HVP-70 (70Mhz) & Micsig DP10013 (100Mhz) High Voltage Differential Probes
- Project: DIY Weather Station & Displays
- Quick Review: LG 27UD59-B 27″ UHD 4K IPS LED Monitor with Freesync
- Random: Crap Cables, USB Charger Repair, USB “Condom” & Win10 October Update
- Quick Review: Xiaomi Wiha Screwdriver Set (JXLSD01XH)
Archives
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- December 2016 (30)
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- December 2012 (31)
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Recent Comments
- lui_gough on Can’t Copy that Floppy? KryoFlux Can! feat. Unistat V4.53
- Gerry on Can’t Copy that Floppy? KryoFlux Can! feat. Unistat V4.53
- mike cherry on Netflix Uses My VHS Cassette Images Without Permission
- tomakrypodari on Review: Maxtor M3 Portable 4Tb USB 3.0 External Hard Drive (HX-M401TCB/GM)
- lui_gough on About Me
- Johan on About Me
- RadioJim on Project, Reverse Eng: Hex3653 AV2B Stereo FM Receiver Kit
- Harry on Review, Teardown: Unbranded AC1200 Dual-Band USB 3.0 Wi-Fi Adapter
- rt on Teardown: D-Link DGS-1005A 5-Port & TP-Link TL-SG1008D 8-Port Gigabit Ethernet Switch
- lui_gough on Teardown: Generic CX-FU02+ USB SoftV92 Data Fax HSF Modem
- aly on Teardown: Generic CX-FU02+ USB SoftV92 Data Fax HSF Modem
- lui_gough on Radio: RadioFax/HF Fax Reception on KiwiSDR with kiwifax.py
- Benson on Radio: RadioFax/HF Fax Reception on KiwiSDR with kiwifax.py
- lui_gough on Teardown: D-Link DGS-1005A 5-Port & TP-Link TL-SG1008D 8-Port Gigabit Ethernet Switch
- rt on Teardown: D-Link DGS-1005A 5-Port & TP-Link TL-SG1008D 8-Port Gigabit Ethernet Switch
- cazzie902 on TDK Super Avilyn
- Zackary E. Jenkins on Teardown, Recordings: 1 by One Wireless Door Chime R/X QH-0031 (Quhwa QH-09D)
- lui_gough on Teardown and Project: Clone Nikon ML-L3 IR Remote and Emulation
- Marco on Teardown and Project: Clone Nikon ML-L3 IR Remote and Emulation
- Matt on Project: Scanning the Orion DMR Network (Kurrajong Heights Base)
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Tag Archives: number crunching
Review, Teardown & Test: Portable USB 18650 Li-Ion Rechargeable Fans (x3)
It’s summer in Australia and this one is another scorcher! Our summers do get somewhat hot, but not usually this hot. Data from my own weather station in my backyard shows that the temperature over the period from Christmas Eve … Continue reading
Posted in Electronics
Tagged analysis, cheap, ebay, electronics, made-in-china, number crunching, portable, review, teardown, tested
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Analysis: Freeview TV Services in Sydney, Australia (27th December 2018)
It’s been a while since my last analysis of the Freeview services on air in Sydney – in fact, the last time I did it was after SBS moved to MPEG-4 for its HD services back in 18th April 2017. … Continue reading
Posted in Radio, Satellite, Telecommunications
Tagged analysis, digital tv, dvb, freeview, number crunching, rf
4 Comments
Random: Kogan vs Catch Connect LTE Speed, Crap CAT5e, Unboxing RPi3B+
It’s been a while since I wrote my last “random” post, so I thought it was about time to put up another. After all, sometimes there are just some observations that don’t quite warrant their own posting but are still … Continue reading
Posted in Computing, Raspberry Pi, Telecommunications, Uncategorized
Tagged analysis, cheap, element14, internet, made-in-china, mobile, modem, networking, number crunching, radio, random, rf
1 Comment
Project: Examining Capacity of Recharged Alkaline AA Batteries
As a young kid, my parents had told me about how great NiCad rechargeable batteries are for reducing waste and saving money. While we did have some alkaline cells around, we used rechargeable batteries whenever possible. Because these were quite … Continue reading
Posted in Electronics
Tagged battery, charger, experiment, number crunching, project, tested
6 Comments
Moments to Disaster: Hard Drive Failure & SMART Data
While I was away on holiday, blissfully enjoying my time outdoors, I wasn’t aware that a disaster was brewing at home. I got a message from my brother that his machine had started making a clicking noise, and it was … Continue reading
Posted in Computing, Obituary
Tagged analysis, computer hardware, computer storage, fail, failed, failure, number crunching
2 Comments
USB Connector Resistance: Another reason for slow phone/tablet charging
It was back in 2014 when I first published about USB cable resistance as one reason why your phone or tablet might be charging slowly. At the time, quality cables with good gauge wires were hard to find, and many … Continue reading
Posted in Computing, Electronics, Power Bank, Tablet, Telecommunications
Tagged analysis, battery, charging, electronics, improvise, mobile, number crunching, tablet, usb
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Tested: “Compatible” Nikon EN-EL14 Batteries vs Genuine
Amongst the published articles on the site, it seems there is a fair amount of interest in the ones dealing with “compatible” and “fake” camera accessories, specifically Nikon EN-EL14 and EN-EL14a batteries. Having just recently returned from my first extended … Continue reading
Posted in Electronics, Photography
Tagged analysis, battery, fail, failed, fake, made-in-china, number crunching, photography, teardown, tested
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Analysis: Freeview Sydney (18 April 2017) after SBS moves to HD MPEG-4
While I was on holidays, the DVB-T digital TV stations at home were undergoing the last of a series of long-anticipated changes. On 8th April 2017, SBS followed the lead of the other broadcasters and finally converted over to MPEG-4 … Continue reading
Posted in Computing, Radio, Telecommunications
Tagged analysis, data crunching, digital tv, dvb, freeview, number crunching, radio, rf, tv
3 Comments
Opinion: The “Running Man” Saga & Viewer Ratings
This was a post I had meant to write before I left for my holidays, but never got around to it. Avid watchers of Korean TV would know that SBS’ Running Man show was embroiled in a saga where the … Continue reading
Great AA Alkaline Battery Test – Addendum: 25mA Constant Current Tests
For those following along, they’d probably realize by now that I have left the country and are officially on holiday in the slightly-warmer-than-average-for-this-time-of-year Hong Kong. I had originally planned to make this post before I left home, but things got … Continue reading
Posted in Electronics
Tagged battery, element14, experiment, gabt2016, number crunching, review, roadtest, test equipment, tested, testing
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Great AA Alkaline Battery Test – Pt 4: Cell Physical Characteristics
After the rather interesting results in the previous section, I was curious as to who actually manufactured the cells for the lesser known brands, and whether that could be determined just by examining the physical characteristics of the cells. Given … Continue reading
Posted in Electronics
Tagged battery, element14, experiment, gabt2016, number crunching, review, roadtest, test equipment, tested, testing
3 Comments
Great AA Alkaline Battery Test – Pt 3: The Results
If you’ve made it this far, congratulations, you’ve earned the right to read the results! If not, you could be doing yourself a big disservice and not understanding the true intricacies that underlie the subject of battery testing and the … Continue reading
Posted in Electronics
Tagged battery, element14, experiment, gabt2016, number crunching, review, roadtest, test equipment, tested, testing
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Great AA Alkaline Battery Test – Pt 2: The Contenders
Welcome to the second installment in the Great AA Alkaline Battery Test series, where the contenders for testing are presented. This post is one of the most image heavy posts I have ever delivered, so apologies if my webserver falls … Continue reading
Posted in Electronics
Tagged battery, element14, experiment, gabt2016, number crunching, review, roadtest, test equipment, tested, testing
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Great AA Alkaline Battery Test – Pt 1: Battery Testing Fundamentals
Regular readers would probably know that I have a love of batteries, and their associated test equipment. Maybe it was the fact that they were expensive, but pervasive, and my enjoyment as a child relied quite heavily on batteries to … Continue reading
Posted in Electronics
Tagged battery, element14, experiment, gabt2016, number crunching, review, roadtest, test equipment, tested, testing
1 Comment
Canb2016: Special 1 – LS-120 & Zip250 Drives, LS-240 Disk & Benchmarks
In the last post, I alluded to some special postings related to my Canberra trip. Aside from the conference and roaming around, I was contacted by a reader who wished to offer me a few items as they thought I … Continue reading
Posted in Computing, Tech Flashback, Travel
Tagged benchmark, canb2016, computer hardware, computer storage, floppy, number crunching, storage, teardown, vintage hardware, vintage stuff
2 Comments
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
Posted in Radio, Telecommunications, Travel
Tagged analysis, canb2016, dab, digital tv, freeview, number crunching, obituary, radio, rf, rtl2832, rtl2832u, sdr, travel, tv
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Analysis: Freeview Sydney Post-Launch of ABC HD (6-7th Dec 2016)
Yesterday marked the launch of ABC HD, which finally means that Sydney Freeview gets each broadcasters’ main stations in high definition at long last. (EDIT: Actually, not quite true, as 7HD Sydney is still a simulcast of 7mate.) According to … Continue reading
Posted in Telecommunications
Tagged analysis, data crunching, digital tv, dvb, freeview, number crunching, radio, rf, tv
6 Comments
Video Compression: x264 CRF Generational Loss Testing
Having been involved in some way with video capture and editing from the late 90’s onwards, something we have always been taught is to avoid lossy formats for capture and editing due to the problem of generational loss. Put simply, … Continue reading
Posted in Computing
Tagged analysis, compression, computer, number crunching, tested, testing, video
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Experiment: WD Green Data Recovery – Recovered Data vs Time?
Two weeks ago, a “friend” of mine turned up with an external hard drive which was declared dead and wanted to see what could be done about recovering the data from it. Naturally, as no novice when it comes to … Continue reading
Video Codec Tests: x264 CRF vs enc_qsv CQ vs x265 CRF in Handbrake 0.10.5
After my earlier attempt to do some codec comparisons, I realized that something went grossly wrong with the “difficult case” clip. Specifically, it was an interlaced video clip which I wanted to use, and I naturally assumed that interlaced encoding … Continue reading
Posted in Computing
Tagged analysis, compression, computer, number crunching, tested, testing, video
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Video Compression Testing: x264 vs x265 CRF in Handbrake 0.10.5
Having played around with video since I had a few multimedia CD-ROMs and a BT878-based TV tuner card, video compression is one area that has amazed me. I watched as early “simple” compression efforts such as Cinepak and Indeo bought … Continue reading
Posted in Computing
Tagged analysis, compression, computer, number crunching, tested, testing, video
28 Comments
Opinion: Can You Beat Usain Bolt? Not So Fast!
The Rio 2016 Olympics will be a memorable event for a number of reasons, but as it draws to an end tonight (Sydney time), I thought it would probably be nice to have one Olympic-themed post. In an era of … Continue reading
Freeview Update: Channel 7’s Multiplex after the launch of 7flix
Today marks the official launch of 7flix, Channel 7’s new movie-oriented channel. Since the channel is now running actual content, the configuration of the encoders should have reached their “production ready” state, so lets see where the chips have landed. … Continue reading
Posted in Computing, Telecommunications
Tagged analysis, digital tv, dvb, freeview, number crunching, rf, tv
21 Comments
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
Examined: Li-Ion/Li-Poly-based Power Bank Charge Current Profiles
It’s been a long time since I posted anything about power banks. Believe me, I would have liked to bring you some more reviews, or updates on cycle life testing, but due to my PhD commandeering my dual-measure multimeter I … Continue reading
Posted in Electronics, Power Bank
Tagged number crunching, opinion, power bank, power banks, powerbank, tested
2 Comments
Analysis: Freeview Sydney – Launch of 9Life, DSM-CC, etc.
As per the announcements, at 6am on 26th November 2015, the 9Life channel was officially launched and the Channel 9 Freeview offerings have undergone a reshuffle as a result. Anticipating this move for a week now, I had my trained … Continue reading
Posted in Computing, Telecommunications
Tagged analysis, digital tv, dvb, freeview, number crunching, rf, tv
2 Comments
Analysis: Sydney Freeview Services (Nov 2015) & Melbourne Cup
Being the busy person that I am, I don’t usually have much time to watch TV, not that there’s much to watch on Freeview most days. Despite that, I caught wind that Channel 9 will launch a new lifestyle channel … Continue reading
Posted in Computing, Opinion, Telecommunications
Tagged analysis, digital tv, dvb, freeview, number crunching, satellite, tv
4 Comments
FB Friends: Thanks for Participating in the Birthday Experiment!
Yesterday, I officially turned 25. Another complete year older – complete with the feeling of being mellow, feeling somewhat helpless and going about my day as usual. I woke up at 7am in the morning to build a veroboard interface … Continue reading