[Ground-station] ATSC open source implementations

[Ron Economos]

Here's the link for libatsc3. But the main repo 
https://github.com/jjustman/libatsc3 is 404 right now.

https://www.ngbp.org/p/atsc-30-ngbp-open-source-tools.html

Ron

On 8/21/23 16:06, Michelle Thompson wrote:
> 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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