[Ground-station] ATSC open source implementations

[Michelle Thompson]

Thank you Ron!

You were going to be one of the first persons I brought up, and now I have
a much more complete list of your work.

-Michelle Thompson


On Sun, Aug 20, 2023 at 6:56 PM Ron Economos via Ground-Station
<ground-station at lists.openresearch.institute> wrote:

> I hope you haven't forgotten about my ATSC 3.0 transmitter open source
> implementation.
>
> https://github.com/drmpeg/gr-atsc3
>
> It's an almost complete implementation of the PHY layer and can be used to
> transmit Transport Streams. It does not implement the ROUTE/DASH higher
> layers.
>
> Here's a demo clip where I back off the power to find the minimum required
> SNR (2 to 3 dB for 9/15 QPSK).
>
> https://www.youtube.com/watch?v=cmIGM0I3NE0
>
> There was an open source receiver repository (libatsc3) for the upper
> layers, but it's been deleted. I just e-mailed the author to find out
> what's going on.
>
> Despite getting some press for my transmitter in TV Technology and IEEE
> Broadcast Technology Magazine, I've never received any feedback.
>
>
> https://www.tvtechnology.com/opinion/learning-about-atsc-30on-the-web-or-on-the-bench
>
> https://bts.ieee.org/images/files/newsletters/BTS-4thQtr2022-web_1.pdf
>
> The ATSC 3.0 roll out is in a bit of turmoil right now due to broadcasters
> applying encryption/DRM to their channels. The most popular STB style
> receivers are not capable of decryption and consumers are being
> disenfranchised. A couple thousand complaints have been filed with the FCC.
>
>
> https://www.fcc.gov/ecfs/search/search-filings/results?q=(proceedings.name:(%2216-142*%22))
>
> Hopefully, that link works. If it doesn't, use the link below and search
> for the 16-142 proceeding.
>
> https://www.fcc.gov/ecfs/search/search-filings
>
> There's also been videos on some YouTube channels.
>
> https://www.youtube.com/watch?v=0NhV5BdEWqo
>
> https://www.youtube.com/watch?v=uxnW3ed9yR4
>
> Since there's no reduced bandwidth option for ATSC 3.0, it's not very ham
> friendly. Folks are reluctant to fire up full 6 MHz wide signals,
> especially on 70 cm.
>
> Ron W6RZ
> On 8/20/23 10:44, Michelle Thompson via Ground-Station wrote:
>
> I have a meeting in the works to talk to ATSC committee leadership about
> open source implementations.
>
> There's a clear difference between DVB and ATSC in ease of use for open
> source work. ATSC folks are interested in hearing more about how things can
> improve.
>
> If you can help with this effort, please get in touch so we can put our
> best effort forward in communicating with ATSC.
>
> If you know of someone that would be a positive addition to the
> discussion, please forward this and let me know how to get in touch with
> them.
>
> -Michelle Thompson
>
>
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