Viewing profile — drmpeg

I'll never forget Dennis Erectus on KOME 98.5 (the wet spot on your dial) in 80's Silicon Valley.

For sure. Just YouTube alone is a vast ocean of H.264 bits.

MPEG-2 video is still very much alive. In the US, almost all terrestrial OTA broadcast (ATSC 1.0) and all SD channels on cable systems. Even Comcast VOD was all MPEG-2 (including H…

I was the project engineer for the Air Force Space Command / NORAD DSP satellite ground network back in the 80's. The system used the 10MB 8" Bernoulli drive and cartridges to stor…

Advanced Television Systems Committee. It's the US standards organization for terrestrial digital television. ATSC 3.0 is a new standard that's very similar to DVB-T2 (used in the …

Little known Fabrice Bellard project. He worked with the ATSC to test the ATSC 3.0 PHY layer when he was consulting at DekTec.

The article kind of disses the Intel 8085. For those of us with 8080 code bases that were never going to be rewritten for the Z80, it was a welcome upgrade. On the paper dryer proc…

Looks like the esp4 and esp6 fixes have been pushed for 7.0, 6.18, 6.12 and 6.6 kernels. https://lore.kernel.org/lkml/2026050851-iron-hurdle-6421@gre... https://lore.kernel.org/lkm…

Previous post. https://news.ycombinator.com/item?id=45790672

It's actively being maintained by Takashi Sakamoto. Here's the commit for Linux 7.0-rc1. https://github.com/torvalds/linux/commit/0d6dd4738dbcc32b60c...

Meyer lemons from my backyard. https://www.w6rz.net/lemons.png

Here's an emulation of WWV I did with a transmit capable SDR. https://www.youtube.com/watch?v=9LsJn0CyyZI

VSB came later. From https://www.tvtechnology.com/opinions/hdtv-from-1925-to-1994 In the United States in 1935, the Radio Corporation of America demonstrated a 343-line television …

Although everyone is interested in visible aurora, the proton flux is also really impressive. It peaked at 37,000 pfu at 1910Z. The highest ever recorded was 43,500 pfu in March 19…

VistaVision has made a comeback with "The Brutalist", "One Battle After Another" and "Bugonia". https://en.wikipedia.org/wiki/VistaVision

Here's some captures from my Comcast system here in Silicon Valley. https://www.w6rz.net/528x480.ts https://www.w6rz.net/528x480sp.ts

> Videos with non-square pixels are pretty rare... Before HD, almost all video was non-square pixels. DVD is 720x480. SD channels on cable TV systems are 528x480.

There's some thought that Ukraine could become a tech hub after the war due to their drone technology.

Here's my ATSC 3.0 transmitter in C++. https://github.com/drmpeg/gr-atsc3

Here's the Emmy that C-Cube Microsystems won back in 1995 for the MPEG-2 (actually unconstrained MPEG-1) encoder chip set used in the roll-out of DirecTV. https://www.w6rz.net/DCP_…

I believe he's using a 6m antenna at the Allen Telescope Array (ATA).

The first 16:9 content I ever saw was the trailer to "Batman Forever" (with Val Kilmer) in 1995 when I was working at C-Cube Microsystems. The studios use to send them test content…

Yes, you have it correct. However, predicting the effects of solar flares is very difficult. Not only does the particle stream have to hit the Earth, it has to couple with the magn…

The CME from the X5.1 flare has not arrived yet. Here are the websites I use: https://www.swpc.noaa.gov/ https://www.swpc.noaa.gov/communities/space-weather-enthusia... https://www…