Patrick (N2DYI)

@N2DYI@mastodon.radio
247 Followers
152 Following
2.2K Posts

I'm a blind (going deaf) amateur radio operator in New York City, licensed since 1993, primarily found on VHF/UHF and Allstarlink. I run the Allstarlink/digital bridges for www.BlindHams.com.

I'm an audio engineer by trade, which is really fun when going deaf, and enjoy playing with VoIP, Raspberry Pi projects, etc. Also pretend to be a musician sometimes.

I mostly just post amateur radio stuff here. My more general account is @BorrisInABox

73
N2DYI
WRQC647

Someone is calling CQ Field Day on 446. Check ya clock. Field Day's over.

Edit: apparently it's not over. Well oops. I forgot they extended it to 20:59 UTC.

Made my probably one contact for the year on 223.500 mHz simplex. And it wasn't even a field day contact.
In order to run higher power on CB radio I have requested our local power company install a high voltage DC line. That should make reaching the 1 megawatt level more achievable.
Does any SDR package or external pipe currently decode C4FM Digital Marrow and/or DMR using MD380-emu? DSD can decode DMR, not C4FM, I think, but its vocoder is inferior in quality.

#whatsapp the messaging app by #meta is working on showing you ads, well I've been seeing articles that mention this.
They claim not to know what you're messaging, as it's all end to end encrypted !
But in order to serve you ads which I absolutely hate !! this is what's happening !!!

Last night I happened to look at my notifications, when I noticed that #whatsapp just finished downloading 2 files.
This wasn't shown at the top of the screen, but hiding in my notification history !! Sneakily installing !! Grrrrr
2 Files :
ML model : Tokenizer
and
ML Model : Sentence Embedding

ML stands for machine learning.

The Tokenizer (1st file) is a tool that breaks down raw text into smaller pieces, called tokens, which can be processed by Machine Learning models.

Machine Learning models require the raw data (images, text, audio) from the above tokens and convert them into complex vectors called Sentence Embedding (2nd file) that ML models can effectively understand.

So basically !!!
#whatsapp doesn't know what you're talking about as its all end to end encrypted, haha BIG joke !!
But they know very accurately what's being said, as everything is being analyzed locally on your phone, before it's encrypted and send to your other party.
Now they know what's being said they can start serving you ads from which they make their money, #meta that is, the owner of #whatsapp .

So be prepared to uninstall I would say !!!!
Cheers
Enjoy the rest if your day 🙂

For the past 5.5 years, I've slept on a crappy couch.
For almost two of those years, my "nightstand" has been the box that my MFJ 1906H telescopic mast came in stuffed lengthwise behind the couch. I just have to keep it from collapsing every now and then. The box, not the mast.

OK, ya got me good. CONGRATULATIONS!

I was just monitoring 146.52 (simplex) and a local repeater at the same time, and for a few transmissions, someone just happened to kirchunk the repeater, causing it's courtesy tone to play, after each transmission I heard on simplex. Needless to say, I was kinda confused.

Today Austria has become six amateur radio users richer, four of them completely blind. It's just the class 3 national licence for now but it's just the beginning. Now only the paperwork remains and choosing the gear, making the first QSO and... and... and... #HamRadio #AmateurRadio #Amateurfunk #Blind

#AudioMo day23:

Did you know that there is hidden morse code all throughout Mike Oldfield's 'Tubular Bells' album?

Somehow, probably during the two-track mix-down stage of the album, the CW from a powerful, very low frequency transmitter about 37 miles north of the studio in which this album was recorded found it's way to tape. It's centered at 16 kHz, and so low in the mix that you can't actually hear it... at least, not without some help.

This is a very short, not particularly comprehensive demo using two different methods -- a pair of stock Reaper plugins and an SDR package to mostly isolate this morse transmission, which is heard throughout the entire album.

References:
Hidden Morse Code in Tubular Bells https://madpsy.uk/link-between-the-soundtrack-of-the-exorcist-and-amateur-radio/

The Hidden Signal Inside A Platinum Selling Album - Tubular Bells https://www.youtube.com/watch?v=o3UJAfuvniI

This week's amateur radio newsline includes some questionable noise reduction, and what sounds like an overzealous de-esser.
There is no solid consistent sound between episodes. The signature is usually consistent between whoever presents this week.
One guy always has more compression artifacts. Another guy always compresses dynamics way too hard. etc.
I'm gonna end up volunteering to do stuff for them, aren't i?