BobW K0NR

@k0nr

Amateur (ham) radio enthusiast, hiker, SOTA VHF Mountain Goat, electrical engineer, author, likes messing around with radio. See k0nr.com

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Smallsats

@smallsats

Cubesats, microsats, nanosats, picosats, and other smallsats. A service of @SpaceRef

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Ettus Research

@ettusresearch

Ettus Research™, an @NIglobal brand, is the world's leading supplier of software defined radio platforms. For tech support, please contact [email protected]

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The Daily DX

@dailydx

Since 1997 The Daily DX has been the premiere Amateur Radio DX news service. DXCC, DXpeditions, IOTA & contesting happenings from around the world. 410-489-6518

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DX World.net

@dx_world

Prime DX News. Regularly updated DX snippets. Read by over 300 DXCC entities ... FREE. Run by MM0NDX.

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Scott Chapman

@scott23192

K4KDR

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T.S. Kelso

@tskelso

Operator of CelesTrak, the world's first source for orbital element sets and related software and educational materials.

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Juan Pechiar 🤖

@jazzpecq

Life in plain text; CX5BT; Ceibal I+D+i; @seriemarobotics; CX1SAT; STEM; IEEE; quincuagenario

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Intl. Amateur Radio

@iaru

International Amateur Radio Union

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AAC Clyde Space

@aacclydespace

AAC Clyde Space; squeezing big performance out of small satellites and CubeSats.

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AMSAT

@amsat

Keeping Amateur Radio in Space for more than 50 years!

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ARISS - Amateur Radio on the ISS

@ariss_intl

We let students have the excitement of talking with crew members on the ISS, inspiring them to interests in STEM fields. Event info at ARISS.org.

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Dr Chris Bridges

@drchrisbridges

Academic at Surrey Space Centre, M0IEB on Amateur Radio, Dad. Designs, builds & operates spacecraft computing & radio systems.

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Space Agenda

@spaceagenda

Your number one source for global space industry and astronomy events. Connecting people in the aerospace and space science communities! #SpaceAgenda

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ARISS_SuitSat news

@ariss_sat

rs0iss.ru - Russian ARISS team, developing amateur satellite

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IARU Region 2

@iaru_r2

International Amateur Radio Union (IARU) Region 2

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Surrey Satellites

@surreysat

The Original New Space Renegade. Innovating in Space for over 40 years. Also on Instagram surreysatellites

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Craig Clark MBE

@craig_s_clark

Baldly going where no Scot has gone before. Founder Clyde Space. Professor of Practice, Space @unistrathclyde. FREng FRSE. Tries to do CrossFit

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Jan | PE0SAT ☮️

@pe0sat

| Information about Amateur Radio – Satellite experiments |

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Radioclub El Loa

@ce1loa

Club de radioaficionados en Calama - Chile. CE1LOA

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India Space

@india_inspace

Covering the space activities of India. A service from @SpaceRef.

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IARU Region 1

@iaru_r1

The federation of national associations of radio amateurs from Europe, Africa, Middle East and Northern Asia.

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RSGB

@thersgb

The RSGB is the UK's national amateur radio society. Follow us for amateur radio news, events, images and Member offers. Join our conversation!

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AMSAT-UK

@amsatuk

AMSAT-UK represents the amateur satellite community in the UK. Members operate, design and build amateur radio satellites. facebook.com/AmsatUK

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sergio cejas

@lu2fsc

L U 2 F S C radioaficionado independiente

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CONAE

@conae_oficial

CONAE, creada en 1991 como agencia especializada, propone el Plan Nacional Espacial de Argentina para el aprovechamiento de la ciencia y la tecnologia espacial.

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AMSAT-SM (SM0TGU Lars)

@amsat_sm

AMSAT-SM (Sweden) - Amateur radio satellite group. News and tweets about amateur radio satellites and amateur radio. Editor: Lars Thunberg SM0TGU

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SATELLITE Conference & Exhibition

@satellitedc

#SATShow unites the global satellite and space communities. Join us March 23-26, 2026 in Washington, DC!

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Amsat-f

@amsatf

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wyatt dirks

@wyattac0ra

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RadioClub 9 de Julio

@lu4dll

Radio Club 9 de Julio - LU4DLL, entidad de bien publico sin fines de lucro dedicada a la radioaficion, ubicada en 9 de Julio, Buenos Aires.

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Massimo Zecca

@massimo_zecca

Patent Presentation: ZM-08 Multi-purpose Aerostatic Platform Science, technology, engineering

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Randall

@ce2wgd

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Surrey Space Centre

@spaceatsurrey

Welcome to the Surrey Space Centre Twitter, the home of world class space research at @UniOfSurrey!

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Space Station 22 🛰️

@spacestation22

Observe and communicate with the International Space Station and other satellites with our apps at karhukoti.com . Amateur radio sat operator. #ISS

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Satellite Applications Catapult

@satappscatapult

We're at the heart of the space revolution, driving take-up of data technology and applications to address the challenges of the modern world.

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Radioclub Cavancha

@ce1rkv

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High Value Manufacturing Catapult

@hvm_catapult

We are a strategic research and innovation hub for industry, supporting the UK’s national priorities.

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Pocket Spacecraft

@myspacecraft

Send your own Pocket Spacecraft on a Mission to the Moon!

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CubeSat Team

@cubesatteam

CubeSat Team is a student team of Politecnico di Torino (@PoliTOnews) since 2008 involved in the design and development of small-platforms space missions

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UK CubeSat Forum

@ukcubesatforum

Your networking needs in UK CubeSat & Nanosatellites

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Radioclub Campina

@yo9kpb

Hamradio

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STMSAT-1

@stmsat11

Grade-school built nano-satellite transmitting at 437.800MHz

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Unidad Educación de la CONAE

@comunidadsopi

Ahora somos, UNIDAD EDUCACION de la CONAE, Web educacion.conae.gov.ar, Facebook facebook.com/UnidadEducacio…, Twitter @educacionCONAE

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ArgentinaEnElEspacio

@argenelespacio

Noticias del ámbito espacial de la República Argentina

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AMSAT-DL

@amsatdl

non-profit, designing, building and operating hamradio #AMSAT satellites since 1973. Home of the Phase3 satellites and first Phase4A geostationary #QO100

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supertrack

@supertrack_it

Radio Astronomy, amateur Deep Space, Ham Radio, Tech Diving, Sahara and wilderness

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Radio Club Tandil - LU2EE

@lu2ee

Radioclub de la ciudad de Tandil, fundado en 1958.

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MinXSS CubeSat

@minxsscubesat

3U #CubeSat observing X-rays from the Sun. Now in orbit! Tweets by @starfleetjames and @astronamir

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Ignacio Mazzitelli

@lu1esyignacio

periodista, técnico electrónico, cinco hija/os y 11 nieta/os. socio fundador amsat lu

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Quetzal-1 CubeSat

@quetzal1_uvg

Our great gig in the sky, #Quetzal1, reached its end. We flew all over the world, and we say goodbye with pride.

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W2RTV 📡 🛰️

@w2rtv1

Satellite Tracker, Telemetry ,ADSB, APT ,QRP to QRO, AM to Digital

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CubeSat

@calpolycubesat

2021 CubeSat Developers Workshop - April 27–29, 2021

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LibreSpaceFoundation

@librespace_fnd

A non-profit foundation, promoting advancing, and developing free & open source technologies and knowledge for space such as @SatNOGS and @upsat_gr

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UPSat

@upsat_gr

The first open source satellite.A @qb50mission cubesat by @UPatras & @LibreSpace_Fnd.

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VU2JEK_Nitin

@nitin_vu2jek

Ex VU3TYG. Secretary AMSAT INDIA . My Twitter account is mainly related to Amateur Radio Satellites, Amateur Radio , Space , India Space ecosystem & Aviation

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