Abraxas3d (in the lab) @abraxas3d
de W5NYV. Open Research Institute CEO, ARRL TA, ARRL TS, telecom executive, IEEE ITSoc SD Chapter Chair, & Maker of AI Pipe Organs. FCC TAC 🏳️🌈 openresearch.institute @[email protected] Joined April 2008-
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And with the last Shmoocon this weekend, I'm in a reflecting nostalgia mood. You know who you are who gave me my chances early on. Thank you. Who gave you your first big shot? I'm sure you remember them.
Hey! Don't miss out on the big IEEE San Diego Section annual party. If you're a nerd and you're here in town or nearby, then please come. It's a lot of fun, great food, and an absolutely beautiful venue. Registration closes 13 January. events.vtools.ieee.org/m/453350
Well worth the time to sit with this thread.
Re-upped my @amsatdl membership. Thank you for another great year of the -DL Journal and the excellent leadership for amateur satellite enthusiasts.
Opulent Voice design review meeting video recording is below. Thank you to team leads and reviewers! youtu.be/VEv9L2rz2Xw
Still waiting for a better computer from @Apple There are some options I'm considering. This is my daily driver. Yes those do happen to be spiderwebs.
NA1SS (@ARISS_Intl ) QSL card for last week's QSO w/@dominickmatthew arrived in the mailbox, along w/patches for Crew-8 mission & 3 ISS expeditions he was part of. Nice! ARISS QSL info: ariss.org/qsl-cards.html Crew-8 & ISS expedition patches from: thespacestore.com
Never gets old: youtu.be/0Cu6EbELZ6I?si…
This is literally the same thing as neoclassicism's stark-white-marble aesthetic happening because of a misunderstanding about what classical art & architecture actually looked like
This is literally the same thing as neoclassicism's stark-white-marble aesthetic happening because of a misunderstanding about what classical art & architecture actually looked like
This is a great deal - a very subsidized Tiny Tapeout opportunity. Thank you @IEEEorg FPGA/ASIC integrated circuit design workshop coming up in San Diego: events.vtools.ieee.org/m/436036
Our Zadoff-Chu Sequences for Amateur Communication article is in the current issue of @arrl QEX magazine. Our Space Frequency Block Coding article will be in the January/February issue of QEX magazine. What do you want to see next?
Here is our CEO @abraxas3d presenting at @defcon 32 on Synthetic Aperture Radar with a #hamradio perspective. The regulatory path is a bit more clear because of our work on this issue. youtu.be/fiR4woe4O5Q?si…
If you're flying bluer skies please find me there as well (same handle).
I am delighted to announce that Ulysses Ecosystem Engineering Incorporated has procured several gallons of the forbidden McMaster Gatorade. It tastes great. Productivity is through the roof.
I am delighted to announce that Ulysses Ecosystem Engineering Incorporated has procured several gallons of the forbidden McMaster Gatorade. It tastes great. Productivity is through the roof. https://t.co/vtszU2NAJA
Best wishes for a great mid-week to everyone out there working hard to get difficult things done. ❤️
@AlyssaM_InfoSec @abraxas3d I once put Bustelo through the drip coffee maker. Chanclas started flying out of the walls at my head. The coffee wasn't too bad, actually.

Pieter Ibelings @ibelings
16K Followers 10K Following Physicist, Engineer, N4IP, Antennas, Space Systems, SDR, RF, RADAR , Phased Arrays, Satellites, PCB Design 🇺🇸🇪🇸🛰️
K3RRR @K3TripleR
14K Followers 7K Following Robert: https://t.co/O7fAxtUo5H - Extra, Ham=63 Yrs, Ham Satellite & FT8 Fanatic, Satellite WAS & Satellite GridMaster Award, 9BWAS / 8BDXCC 100w & A Wire - https://t.co/6JTiTuwtLs
John K4EB @SpaceComms1
6K Followers 2K Following John Brier, K4EB Ham radio space communications videos: https://t.co/Id4PQnddwy. Grid square FM05ps. @[email protected]
Scott Tilley 🇺🇦... @coastal8049
23K Followers 402 Following
prog @lambdaprog
11K Followers 855 Following Engineer. Trading Tech, RegTech, DSP systems, and RF/SDR. Built Solvers, Signal chains, and Enterprise Architectures. Mostly known for #SDRSharp & #Airspy.
Daniel Estévez @ea4gpz
10K Followers 402 Following Everything space & RF. Amateur radio operator (EA4GPZ / M0HXM). PhD in Mathematics from @Matematicas_UAM. he/him
Matt — KØLWC @K0LWC
12K Followers 6K Following Ham Radio Operator | Active on VHF/UHF/HF from EN35 | 🎥 | #HamRadio #AmateurRadio | Can afford my own coffee. ☕️ | #BeHamFriendly
FG8OJ🏝�... @FG8OJ
5K Followers 854 Following Bertrand aka Burt FG8OJ/AG8OJ • Amateur Radio 🇬🇵 🏝️ • 🛰️ HF and up • #amsat • 🌑 EME • Involved in @rcguadeloupe • https://t.co/RHWKZvTddu & @GridMasterMap
rtl-sdr.com @rtlsdrblog
33K Followers 497 Following News and tutorials related to the ultra cheap RTL-SDR software defined radio, and SDR in general. #rtlsdr #rtl2832 #sdr
Luigi Cruz @luigifcruz
4K Followers 965 Following Computer Engineer. Radio Amateur (PU2SPY). I talk about SDR, Raspberry Pi, Machine Learning, Parallel Computing, Satellites, Python, C++, and Golang.
Open Research Institu... @OpenResearchIns
1K Followers 1K Following Open Research Institute (ORI) is a non-profit 501(c)(3) research institute dedicated to Open Source and Open Access for digital radio, space and terrestrial.
Adam K0FFY ☕️ @K0FFY_Radio
3K Followers 817 Following Science, Technology, Retro Computing, Ham Radio—Packet, SOTA, AMSAT radio satellites—and Coffee. He/Him. Views My Own / Those of Omnidimensional Super Beings
Patrick @WD9EWK
4K Followers 1K Following Also licensed as VA7EWK, enjoying the amateur satellites & HF. Owner of an NFL team. Opinions are mine. Also @[email protected] - Find me on the satellites!
Fernando KF7R 🛰️ @KF7Romeo
4K Followers 2K Following Ex: NP4JV, WP4LGN. GMRS Callsign WRQF475. Ham radio op since 1993. Portable Space Comms Operator . 3D printing enthusiast. US Gridmaster Award #7 🇺🇲🇵🇷
Daniel Bogdanoff @DanielBogdanoff
10K Followers 1K Following Follow for geek stuff. Engineering, electronics, 3D printing. 'Resident Geek' @Keysight, host of Moore's Lobby podcast. Makes videos. Find me kinda everywhere!
SatNOGS @SatNOGS
11K Followers 372 Following A global satellite ground station network. Built as an open source project, run by volunteers around the world. Supported by @LibreSpace_Fnd. Join us!
MrBill // wardrive ev... @SecureThisNow
6K Followers 5K Following Dislike cyber__ terms | @HardHatBrigade | Perpetual Newb | Meyers-Briggs: IDGAF | !Serious Account | ex-Payphone Purveyor | on infosec exchange | views my own
Jan | PE0SAT ☮️ @pe0sat
4K Followers 1K Following | Information about Amateur Radio – Satellite experiments |
Travis Goodspeed @travisgoodspeed
26K Followers 4K Following Merchant of Dead Trees and Licensed Proselytizer of the Gospel of the Weird Machines with Pwnage, PoC, and Secular Rock.
IanJohnBuckley @IanJohnBuckley
1K Followers 737 Following ASIC/FPGA design, dumpster fires, open source, SDR+HDR, Spaaaaace, cybersecurity, and other mad stuff.
RuiyuanElec @RuiyuanElec
34 Followers 413 Following Ruiyuan is a manufacturer of Ferrite Cores, Inductors, Transformers. We can customize related samples and products for customers.
Reshef @Reshef_
115 Followers 316 Following atoms to weights and everything in between... "building something new"
fred @fred05203877632
7 Followers 282 Following
🇼🅰️4️⃣�... @WA4OSH
618 Followers 1K Following First licensed in 1976. I'm interested in #HamRadio #Hardware #Software #SDR #SoftwareDefinedRadio #TinyGS #SatNOGS #LoRaAPRS #Microwave
PreMarketGains🇺�... @Oneeahi861
42 Followers 2K Following 15-30% Monthly | 2 High-Conviction Stocks.Short-Term Gains: 15-20% in Days/Weeks.DM "JOIN" for WhatsApp Alerts. Live Trade Signals • Market Analysis
Juan Ignacio Pucheu @jpucheu
2K Followers 3K Following GIS, Agricultura de precisión. IoT. Riverplatense.
Vivian Cartwright @VivianCart43879
47 Followers 2K Following
Anton OM1AEG @om1aeg
103 Followers 360 Following Hamradio, SOTA, POTA, WWFF, Castles, Nature @omradio.bsky.social
Adam @Adammmm12310
109 Followers 6K Following
Mike Krieger WA8UOC @Runningat60
1K Followers 1K Following
Turtoa @Turtoa3Ik
101 Followers 7K Following
Arjan Singh @ArjanSingh45220
9 Followers 247 Following
XINVRY @xinvry
121 Followers 794 Following XINVRY ELECTRONICS CO., Ltd is the leading distributor of quality electronics components and devices. [email protected]
deepsig_alt @deepsig_alt
1 Followers 69 Following
HeArtBroKen @HeArtBr42652990
22 Followers 415 Following
AMSAT-HB @Amsat_hb
723 Followers 220 Following Founded 2021 We know how Amateur Radio works in space 🚀📡🛰
VA3SGN @VA3SGN
19 Followers 169 Following
🇺🇸Margaret🇺�... @Margaret_Brin
3K Followers 6K Following 🚫Bots 🚫Porn 🚫Crypto 🚫Shopping cards Enjoyed my entire time in CA! Speaking mechanically (self-mockingly)
MonicapaolaCaro @MonicapaolaCaro
0 Followers 63 Following
VU2JEK_Nitin @nitin_vu2jek
456 Followers 714 Following Ex VU3TYG. Secretary AMSAT INDIA . My Twitter account is mainly related to Amateur Radio Satellites, Amateur Radio , Space , India Space ecosystem & Aviation
Jayson Quilantan (KC�... @kc0itf
38 Followers 318 Following
Fred Spinner @w0fms
516 Followers 1K Following
Karol Z. @Karolzet
141 Followers 2K Following Electronics enthausiast, ham radio operator (callsign: SO2KAZ), DIY maker
Ondra OK1CDJ/OL0M🇨... @ok1cdj
2K Followers 1K Following Hamradio - DX, contesting, SOTA, GMA, WFF QRV 160m-76GHz, LEO SATs, QO-100 Electronics - ESP32 M5Stack Arduino [email protected]
Lionfire01 @Matthew90181963
90 Followers 195 Following
noRestBecauseWiked @danieldk1
659 Followers 1K Following Engineer-er of things, some blinky LED and Art things, a few #Arduino things, lots of buzzwords. masochist to Wireless networks of all types..
Marc Boyen @marcboyen
534 Followers 4K Following
Dustin (BusySignal-KE... @DustinFinn
3K Followers 2K Following Security Engineer. WiFi WarDrive. Photographer. https://t.co/6RvlFCGyE6 https://t.co/KTmK2VHLTh https://t.co/4HEFFvE4vb
ValisaValiania @VValiania47646
25 Followers 585 Following
Corwin @W7CLC
225 Followers 353 Following Amateur Radio, #AMSAT, Homebrew Electronics, DN30, DN40 #POTA #TakeNote #UtahJazz
Malcolm X0r @AccordingToMark
556 Followers 7K Following What’s in my cup is in my cup, fuck you! - Lil’ Wayne.
Romina Golfam Batebi @Romina_Golfam
716 Followers 2K Following IPA | FDI | Science & Tech | AI / ML | Economics & Business | Data Science | and so much more
Camlia @Camlia050780160
13 Followers 373 Following Jesus, my everything, my all in all. Dwelling in the presence of the Almighty. Following Jesus, the true north of my life.
Demetrius Shaw 🚀 @NanoCubeSpace
2K Followers 4K Following Apply in minutes. Launch Ready Staffing gets you onboarded fast with mobile forms, dispatch, and temp jobs that move. Shift starts with the packet.
Jotetairs @Jotetairspx_
11 Followers 476 Following
K4PDQ @K4PDQ
7 Followers 188 Following
Hamr @hamrguy221
73 Followers 489 Following Trans rights are human rights. Trans rights are Constituonal rights. Reproductive rights are human rights. Reproductive rights are Constitutional rights.
Dom Chandler @Dom_Chandler_
48 Followers 2K Following
Ryan Baker @etherisis
12 Followers 77 Following
LaOndaCortaMX @ondacorta
583 Followers 836 Following Subimos videos de las estaciones de onda corta que captamos en el centro de México. #HF #ondacorta #SWL #DXing #Diexismo #vhf #avgeek
Buddy ❤️☮️ @Chelsea_Buddy
1K Followers 627 Following maybe we should spend more time licking ourselves.
Pieter Ibelings @ibelings
16K Followers 10K Following Physicist, Engineer, N4IP, Antennas, Space Systems, SDR, RF, RADAR , Phased Arrays, Satellites, PCB Design 🇺🇸🇪🇸🛰️
K3RRR @K3TripleR
14K Followers 7K Following Robert: https://t.co/O7fAxtUo5H - Extra, Ham=63 Yrs, Ham Satellite & FT8 Fanatic, Satellite WAS & Satellite GridMaster Award, 9BWAS / 8BDXCC 100w & A Wire - https://t.co/6JTiTuwtLs
John K4EB @SpaceComms1
6K Followers 2K Following John Brier, K4EB Ham radio space communications videos: https://t.co/Id4PQnddwy. Grid square FM05ps. @[email protected]
Scott Tilley 🇺🇦... @coastal8049
23K Followers 402 Following
prog @lambdaprog
11K Followers 855 Following Engineer. Trading Tech, RegTech, DSP systems, and RF/SDR. Built Solvers, Signal chains, and Enterprise Architectures. Mostly known for #SDRSharp & #Airspy.
Daniel Estévez @ea4gpz
10K Followers 402 Following Everything space & RF. Amateur radio operator (EA4GPZ / M0HXM). PhD in Mathematics from @Matematicas_UAM. he/him
Matt — KØLWC @K0LWC
12K Followers 6K Following Ham Radio Operator | Active on VHF/UHF/HF from EN35 | 🎥 | #HamRadio #AmateurRadio | Can afford my own coffee. ☕️ | #BeHamFriendly
FG8OJ🏝�... @FG8OJ
5K Followers 854 Following Bertrand aka Burt FG8OJ/AG8OJ • Amateur Radio 🇬🇵 🏝️ • 🛰️ HF and up • #amsat • 🌑 EME • Involved in @rcguadeloupe • https://t.co/RHWKZvTddu & @GridMasterMap
rtl-sdr.com @rtlsdrblog
33K Followers 497 Following News and tutorials related to the ultra cheap RTL-SDR software defined radio, and SDR in general. #rtlsdr #rtl2832 #sdr
Luigi Cruz @luigifcruz
4K Followers 965 Following Computer Engineer. Radio Amateur (PU2SPY). I talk about SDR, Raspberry Pi, Machine Learning, Parallel Computing, Satellites, Python, C++, and Golang.
Tube Time on 🟦☁ @TubeTimeUS
46K Followers 358 Following vintage computers, tubes, the MOnSter6502, cross-sectioned electronic parts. coauthor of https://t.co/lquWXu6v7m. ⚠ please read https://t.co/PrGDtiV6c5
cemaxecuter @cemaxecuter
15K Followers 470 Following SDR + Linux. Personal account. Any official vibes are accidental. https://t.co/ec37uc6Lp7
Open Research Institu... @OpenResearchIns
1K Followers 1K Following Open Research Institute (ORI) is a non-profit 501(c)(3) research institute dedicated to Open Source and Open Access for digital radio, space and terrestrial.
Adam K0FFY ☕️ @K0FFY_Radio
3K Followers 817 Following Science, Technology, Retro Computing, Ham Radio—Packet, SOTA, AMSAT radio satellites—and Coffee. He/Him. Views My Own / Those of Omnidimensional Super Beings
Patrick @WD9EWK
4K Followers 1K Following Also licensed as VA7EWK, enjoying the amateur satellites & HF. Owner of an NFL team. Opinions are mine. Also @[email protected] - Find me on the satellites!
Fernando KF7R 🛰️ @KF7Romeo
4K Followers 2K Following Ex: NP4JV, WP4LGN. GMRS Callsign WRQF475. Ham radio op since 1993. Portable Space Comms Operator . 3D printing enthusiast. US Gridmaster Award #7 🇺🇲🇵🇷
arturo182 is on Blues... @arturo182
34K Followers 643 Following HW & SW Founder of @solderparty He/him Also at 🐘 @[email protected] 🦋 https://t.co/OJuBO4gALk #BlockTheBlue - automated
UHF Satcom 🇬🇧 �... @uhf_satcom
20K Followers 709 Following Monitoring VHF to EHF 📡🛰️since Y2K. Microwaves / CNC / Electronics / Computers / Hacking / InfoSec - Ham Call M0EYT. Politics = instant unfollow + block 📻⚡️
VU2JEK_Nitin @nitin_vu2jek
456 Followers 714 Following Ex VU3TYG. Secretary AMSAT INDIA . My Twitter account is mainly related to Amateur Radio Satellites, Amateur Radio , Space , India Space ecosystem & Aviation
Poppy Northcutt @poppy_northcutt
26K Followers 7K Following I am pro-choice and I VOTE! | One time rocket scientist, sometime lawyer, full time feminist | she/her | I am also elsewhere & easy to find. 🙄
Corwin @W7CLC
225 Followers 353 Following Amateur Radio, #AMSAT, Homebrew Electronics, DN30, DN40 #POTA #TakeNote #UtahJazz
𝗠𝗮𝗹𝗶𝘅�... @Malix_Labs
1K Followers 953 Following 🏴/acc | Tech Engineer & Entrepreneur | Talking about it so you learn from my mistakes | My opinions are fortunately also yours | ✝️
BURKOV @burkov
47K Followers 110 Following My new LM book: https://t.co/YXNQUy7O3t PhD in AI, author of 📖 The Hundred-Page Language Models Book and 📖 The Hundred-Page Machine Learning Book
MATLAB @MATLAB
101K Followers 864 Following MATLAB is a high-level language and interactive environment for numerical computation, visualization, and programming 📲 Follow us on Instagram @MATLAB
D&D Beyond @DnDBeyond
394K Followers 307 Following Official digital toolset and game companion for Dungeons & Dragons - The World’s Greatest Roleplaying Game!
Hamr @hamrguy221
73 Followers 489 Following Trans rights are human rights. Trans rights are Constituonal rights. Reproductive rights are human rights. Reproductive rights are Constitutional rights.
Gnome Anne May Percei... @annethegnome
27K Followers 1K Following I’m no longer on Twitter. 👁️ https://t.co/a0x0nr9PyX 👁️ https://t.co/hCei2pnixx 👁️
Jake Williams @MalwareJake
143K Followers 2K Following Breaker of software | VP R&D @hunterstrategy | CTI/DFIR | @ians_security faculty | Bookings: jake at malwarejake dot com | GSE #150 | He/him
Goon Badge Liberation... @BadgeGoon29309
39 Followers 0 Following
BSides Las Vegas @BSidesLV
18K Followers 2K Following BSides Las Vegas will take place on August 4th, 5th, and 6th, 2025
Dmitry Grinberg @dmitrygr
5K Followers 102 Following Creating order out of chaos, or reverse (as needed).
agentduckman 🅅 @agent_duckman
389 Followers 444 Following | Anti-capitalist queer hacker | FOSS enjoyer | Signal: agentduckman.11 | Email: [email protected] | priv for moots: @HTCWizard2005 |
Roads of Mumbai @RoadsOfMumbai
206K Followers 985 Following Mumbai's favourite 𝕏 account! Email: [email protected]
Joseph Michelli, Ph.D... @josephmichelli
18K Followers 16K Following New York Times #1 Bestselling Author, Professor of Service Excellence -Campbellsville University, Customer Experience Hall of Fame, CX Consultant, Board Member
Chad KG0MW @kg0mw
935 Followers 637 Following AMSAT Ambassador | Space Nerd | Former NASA Contractor |
Rocket Factory Augsbu... @rfa_space
21K Followers 93 Following Opening easy, frequent, and low-cost access to #space to better understand & protect our Earth with data from space. RFA flies into space to get closer to Earth
Alejandra Caraballo i... @Esqueer_
147K Followers 2K Following No longer on this hellsite. Catch me on bluesky.
coroot @coroot_com
5K Followers 3K Following Open source observability platform | Automatic RCA insights to improve service uptime | Out-of-the-box visibility with no-code setup
Jason Leopold @JasonLeopold
131K Followers 4K Following Investigative Reporter @business. 'FOIA terrorist.' Band Tshirt hoarder. Subscribe to my newsletter FOIA Files. Signal 213-270-4334. [email protected]
Veilid 🅅 @VeilidNetwork
5K Followers 1K Following Pronounced: “Vay-lid”. An official CULT OF THE DEAD COW projekt. Social Media shouldn’t be monetized. Users are not a commodity. Privacy Matters.
Epic Maps 🗺️ @theepicmap
1.2M Followers 6 Following Educational and informative world Maps 🗺️. We do not own any content posted. Dm for removal/credit.
Dustin (BusySignal-KE... @DustinFinn
3K Followers 2K Following Security Engineer. WiFi WarDrive. Photographer. https://t.co/6RvlFCGyE6 https://t.co/KTmK2VHLTh https://t.co/4HEFFvE4vb
SanDiegoCounty @SanDiegoCounty
170K Followers 172 Following Official X account for the County of San Diego.
⫘⫘⫘⫘⫘ @femmefriction
3K Followers 588 Following i don't know how to stay tender with this much blood in my mouth
Martin Herren 🐧 @MartinHerren1
361 Followers 2K Following from #assembler to #nosql with a strong affinity for #C++ HAM: HB9FXX / KJ4WOH @[email protected]
EmeraldPhoenix 🇺�... @EmeraldPhoeni10
202 Followers 1K Following Lifelong techie leveraging insanely varied IT exp to swim the cybersec jungle. All opinions my own, tho not overly stuck on them. Life's too short to get fussy.
S5Lab @S5Lab
987 Followers 63 Following Sapienza Space Systems and Space Surveillance Laboratory (S5Lab) Sapienza University of Rome Rome, Italy
JA1GZK @JA1GZK
752 Followers 479 Following VUHF and Satellite | WAS Satellite #512 | WAZ Satellite #89 | VUCC Satellite #720 | VUCC 50MHz #3690
duald flipflop @dualdflipflop
737 Followers 172 Following DEF CON Scavenger Hunt judge. A forum moderator for J!NX forum once upon a time.
Catheryne Lowe @LoweCatheryne
907 Followers 4K Following #writingcommunity Embracing life as an overstretched rubber band. Special needs medical mom. Not affiliated with any political party. Centrist.
XERIC WATCHES @XericWatches
1K Followers 205 Following Stop strangers in their tracks with limited edition mechanical watches: Vendetta, Invertor, NASA Watches, and more.
FCC @FCC
660K Followers 212 Following Official account of the US Federal Communications Commission led by @BrendanCarrFCC #BuildAmerica🇺🇸 | RT & Follow does not imply endorsement.
Tania González @TaniaGlezAZ
4K Followers 3K Following 🇺🇸🇲🇽 Previously Global director of audience development @WIRED (she/her), @CNET, @gamespot & @UnivisionAZ. Views expressed are my own.
Ramin Skibba @raminskibba
3K Followers 1K Following Science/Climate/Tech Journalist. Previously: @WIRED staff writer; former scientist. Muppets & Star Trek fan. Newsletter: https://t.co/BKORRVhz6G
The Doctor @Drstevenhobbs
11K Followers 5K Following Science communicator. Previous professor of biology, chemistry, and physics. Polymath. Find me where the sky is blue: https://t.co/FTX4XtdWjE
Zilakka @zilakka
90 Followers 1K Following Digital, embedded, RF, analog, psychology. Confidence in about that order. Lots of why-questions. デジタル、組み込み、RF、アナログ、心理学。 その程度の自信。 たくさんの理由の質問。
josh m @_mormj
102 Followers 150 Following