@nivex thank you so much for asking.

Here's a page on Opulent Voice, followed by links to the demonstration video from DEFCON30.

https://www.openresearch.institute/2022/07/30/opulent-voice-digital-voice-and-data-protocol-update/

https://www.youtube.com/watch?v=KjObrlSpGp0

The harsh low quality audio of #m17 was a huge deal killer.

Since this demo, we've seen OPV use on a couple of rocket and #satellite projects, and additional protocol layers implemented. Current work is to integrate OPV into the FPGA work for #Haifuraiya

Documentation Day at @OpenResearchIns today and the updates are rolling in! We'll have a really nice April Inner Circle newsletter.

Thank you to #haifuraiya #ribbit #rfbitbanger #regulatory #RemoteLabs and all our other #opensource #hamradio teams working hard to publish great work.

It's an honor to help make it happen a bit easier and faster.

We welcome people wherever they are. Learn how to get started here:

https://openresearch.institute/getting-started

It was another fantastic week in #opensource #digital #radio. I call this type of work OSDR.

There's #ribbit and #rattlegram, #Haifuraiya, #rfbitbanger, and two more projects without snazzy names that are coming together rapidly.

That's just a part of what is going on at @OpenResearchIns

And there is so much more out there. Tools development, #AI, free tutorials on nearly any subject, and (supply chain permitting) cheap computing and components.

It's a great time to do this sort of work.

Notes for a talk on #Haifuraiya covering the #polyphase techniques used in the #microwave #receiver design.

Open Research Institute @OpenResearchIns is adding another couple of #fpga meetups a month to support #Haifuraiya, the #OpenSource HEO/GEO #satellite project.

Times will favor India.

We are also looking for a project manager to support #JAMSAT, so if you have a recommendation, please get in touch.

Big #radio week! More lab work today for @OpenResearchIns and then a pile of documentation.

Last weekly #report for the year - plenty in there about #fpga work on #Haifuraiya (#microwave #transponder for #amateur HEO/GEO #satellite), advances on #Ribbit, some good #regulatory work on getting an EAR99 codebase released as #OpenSource, planning for #HamExpo, new talk in the works for #RATPAC, and more.

Looking forward to 2023.

Final stretch of an important component for a COBS protocol decoder. This goes into #Haifuraiya which is an #opensource #HEO or #GEO #amateur #satellite on the #microwave bands.

This writeup shows how the #VHDL was designed for the #FPGA used.

There's a bug with tlast right now, but it's a problem only when frame delimiters are stretched more than a byte. This isn't something that "should" happen, but it "could", so the decoder is designed to tolerate it.

https://github.com/phase4ground/adi_adrv9371_zc706/blob/adrv9371-zc706-dvbs2-integ/design_docs/cobs_decoder/COBS_dec-Entity-Design.md

The current #JAMSAT Journal has Open Research Institute's #opensource #amateur #HEO #satellite proposal, called #Haifuraiya. Plenty of details, runs pages 17-29.

In Japanese, kindly translated from English by Mikio Mouri JA3GEP.

Progress on #opensource #fpga implementation of COBS protocol for #amateur #satellite. This will improve resiliency on #Haifuraiya.

These are most likely all DVB-S2 dummy frames, and we don't have the transmit sample rate under control yet, but this is the #Haifuraiya downlink starting to work over the air. #opensource #fpga for #amateur #satellite

Thank you #jamsat and all our other friends helping to work this project. Could not do it without you.

There's timeouts when sending data. We think the DMA data is not keeping up, and once we rev the clock down, timeouts will go away.

Passing synth for #opensource #fpga dvb-s2 encoder for the #amateur #satellite #Haifuraiya

Whew!