Mark Mutti

Los Angeles

Amateur/ham radio operator (FCC callsign "K3MGM") enjoying a General class license in and around the Western U.S. DevOps Engineer by day, documentary filmmaker for non-profit causes by night and weekend

05 Dec 2025 Toughbook Programming

US Mobile on Windows? You'll Need This Undocumented Info.

Scroll down for The Magic Settings. You don’t need to read any of this I've started really putting Ye Olde Panasonic Toughbook

26 Nov 2025 SOTA (Summits on the Air)

W6/CT-225: Flint Peak, a failed activation

🤷‍♂️My Take: 4/10. Not many great sights on the hike, and tons of RF interference at the top. Will try again some day It

17 Oct 2025 Builds

Meshtastic: Down the Rabbit Hole, and a Repeater in a Tree. Is it worth the hype, or the fuss?

Our friend Jeanna recently asked me to help her get started with Meshtastic. She already owned some of the nicer devices, but couldn’t get

19 Aug 2025 Travel

A visit to the Eastern Sierras

No exaggeration is needed to say that the Eastern Sierra Nevada mountain range is on another level. Gorgeous and vast, it will certainly take one’

14 Aug 2025 SOTA (Summits on the Air)

W6/SC-219: Triunfo Lookout

👍My Take: 10/10! A low-effort hike to an excellent RF vantage point with a great view. A good climber can make use of the