Anything and everything Amateur Radio and beyond. Heavily into Open Source and SDR, working on a multi band monitor and transmitter.
#geek #nerd #hamradio VK6FLAB #podcaster #australia #ITProfessional #voiceover #opentowork
This is getting fucking tiresome. Now we’re stopping humans who browse anonymously from reading content, what’s next, block all humans and only let LLM bots access your site?
Thank you, that link was very helpful.
Very interesting! I’ve installed it and attempted to look at the mystery signal, but I cannot make inspectrum
show anything other than red. I think it’s sampled at 225144, but that’s speculation based on the filename. Any thoughts?
Source file: https://github.com/vk6flab/signals/tree/main/recorded
Edit: Update, once I played with the file format, testing c8, c16 and c32, I finally got something worth looking at. It appears to be c16 and there look to be 4 bits per symbol.
Edit 2: If I use URH, 2500 samples per symbol, I can decode bits as FSK and get the following string:
7cdc5d32a92284d1f5a53f01b512f2c4663860ec2b273abfdb3c6b90f77a0816f9b8ba65524509a3eb4a7e036a25e588cc70c1d8564e757fb6746b90f77a002df37174caa48a1347d694fc06d44bcb1198e183b0ac9ceaff6cf1ae43dde8205be6e2e9954914268fad29f80da897962331c307615939d5fed9e35c87bbd040b7cdc5d32a92284d1f5a53f01b512f2c4663860ec2b273abfdb3c6b90f77a0816f9b8ba65524509a3eb4a7e036a25e588cc7
Edit 3: Outputting only bits I get the following that seems to repeat (with some decoding errors) every 255 bits:
011111001101110001011101001100101010100100100010100001001101000111110101101001010011111100000001101101010001001011110010110001000110011000111000011000001110110000101011001001110011101010111111110110110011110001101011100100001111011101111010000010000001011
011111001101110001011101001100101010100100100010100001001101000111110101101001010011111100000001101101010001001011110010110001000110011000111000011000001110110000101011001001110011101010111111110110110011101000110101110010000111101110111101000000000001011
011111001101110001011101001100101010100100100010100001001101000111110101101001010011111100000001101101010001001011110010110001000110011000111000011000001110110000101011001001110011101010111111110110110011110001101011100100001111011101111010000010000001011
011111001101110001011101001100101010100100100010100001001101000111110101101001010011111100000001101101010001001011110010110001000110011000111000011000001110110000101011001001110011101010111111110110110011110001101011100100001111011101111010000010000001011
011111001101110001011101001100101010100100100010100001001101000111110101101001010011111100000001101101010001001011110010110001000110011000111000011000001110110000101011001001110011101010111111110110110011110001101011100100001111011101111010000010000001011
011111001101110001011101001100101010100100100010100001001101000111110101101001010011111100000001101101010001001011110010110001000110011000111
Or my favourite passive aggressive attempt by Admiral’s anti-ad-blocking “technology”:
“Continue without supporting”
This article doesn’t at all explain what actually happens. There’s a hand wavey description including PowerShell scripts and the clipboard, but it doesn’t indicate how the code gets executed.
The article talks about a complex and sophisticated attack, but I don’t see any evidence of that assertion.
Also, given that it’s talking about PowerShell, I’m going to guess that this affects Windows only.
Finally, there’s no source links, no CVE allocation, no indication what the URL looks like.
I’m going with deep scepticism about this report unless more information comes to hand.
There’s an Australian Canadian co-production that goes into some of the atrocities the British got into:
The lack of transparency within the various bodies within our community is disturbing. It’s not that the information is there, waiting to be found, instead it seems clear to me that it’s been withheld for reasons nobody has ever even attempted to articulate let alone justify, and frankly I think it’s harmful to the well-being of the entire pursuit of amateur radio.
There’s a whole range of cli tools to extract and query structured data like that, but you might consider loading it into something like sqlite3 and treating it as a database because those formats are really not intended for queries, they’re designed for sharing data.
For some workloads it’s true that you can do the heavy lifting on a more powerful remote machine and transport the results back to an endpoint device like a phone. Websites are a good relatable example of that, as are services like YouTube.
It’s not universally applicable for many activities that computers are involved with, data analysis, record keeping, simulations and a myriad of other processes.
Blurring of the lines between these different orders of magnitude is made possible by faster and faster networks, but that’s physically not able to beat processing done inside a single device.
The more powerful we make computers, the more complex problems we use them for. I suspect that this is unlikely to change as computers evolve.
One of the fundamental differences between phones, laptops, desktops, and beyond is size. While that sounds obvious, it also means that the amount of processing within the device is constrained by that size.
The constraints relate to how much energy can be used by each device and more importantly, how much cooling is available for the system.
It means that there’s a physical limit on how much work each device can do without being unusable.
While miniaturization is a factor, it’s not linear and you can only get so small before you fail.
So, depending on what you want to do in any given time, the device you use will dictate what’s physically possible.
This is a lesson that the religious fundamentalists currently running the USA have weaponised.
Just to make sure, you’re not an ARRL member?
Are you an active LoTW user?
Very interesting! I just recorded a sample using your WebSDR, much appreciated.
Edit: Hmm … that’s odd. I just managed to check the file, two days later, and it’s essentially empty. It doesn’t appear to have saved the .mp3 file at all.
That’s very interesting. I thought it was a once-off, but you appear to be saying that it’s ongoing. I currently don’t have HF capabilities, so I reported on a recording made by a fellow amateur.
As far as figuring out where it comes from, the direction finding can be pretty rudimentary. Use any directional antenna and determine the direction of the strongest signal. Document it somewhere, get multiple people across the globe to do it, job done.
Feel free to record them here, seems like as good a place as any.
Universal Radio Hacker playlist:
https://youtube.com/playlist?list=PLa4O03wp0ulCTXGiy7H05ljv_1qb8saBP
I’d recommend you explore https://qrm.guru/ to determine exactly where the noise is coming from and what to do about it.
I work in ICT. Leaving Gmail is much easier said than done. It has the best spam filtering bar none and integrates with a whole host of other services that I use daily, like the mobile phone I’m writing this on for example, the one that integrates my calendar, tasks, contacts, photos, websites, YouTube channel, spreadsheets and, oh yeah … that other thing … Gmail.
So, if wishing made it so.
What I’d like is a Google Workspace tier that is entirely without AI.
Unfortunately that doesn’t work.