VU2JO Jon @Johnsontechword
Posting amateur radio, space, astronomy & technology topics: https://t.co/23zZFfpP71 Following ham radio, space, astronomy & technology content. youtube.com/@johnsonstechw… Kozhikode, Kerala, India Joined January 2023-
Tweets8K
-
Followers1K
-
Following632
-
Likes19K
Moxon Yagi has been my workhorse for LEO satellite operations. It has only a Moxon reflector and driven element for VHF and 5 passively coupled UHF Yagi elements. youtu.be/cBNXr7Kkxek
Colour of Adenium Flower Deepens as Days Pass! Adenium is also known as Desert Rose. youtu.be/VCLbY1jhT6E
Onam is the most important regional festival of Kerala. Today I had the unique privilege of exchanging Onam Greetings through the @ARISS_Intl. I was extremely happy to get Onam Greetings through the satellite for the first time in my life! youtu.be/cHSy32QQojY
I have connected the 200 ohm impedance side of the DIY balun to the ladder line, presuming 50 ohms impedance of coax on other side. 50 ohms side was connected to the short piece of HLF 200 coax taking signals into the shack. youtu.be/P9HqMosUZns
A really complicated antenna for LEOs indeed! 73
A really complicated antenna for LEOs indeed! 73
Wow! Tremendous CW speed indeed. All I can understand without much effort is 5NN!
Wow! Tremendous CW speed indeed. All I can understand without much effort is 5NN!
Got good SWR match with 4:1 balun on bench test with NanoVNA from 1 -11 MHz. So it should cover 160m, 80m and 7 MHz bands. youtu.be/VZecAjQn2Rc The final test is of course by connecting it to the feedline, between the ladder line and the short piece of coax!
This is the 4:1 balun which I homebrewed for connecting between my recently homebrewed ladder line and a short piece of HLF 200 cable which goes to the ATU-100 automatic antenna tuner. youtu.be/pErv1FlJrhg Ladder line impedance may be higher and need higher ratio balun.
Ladder line is one of the three types of twin-lead parallel wire balanced transmission lines used for radiofrequency applications. It is a balanced transmission line unlike the popular coaxial cable which is an unbalanced transmission line. youtu.be/5ztxHyRqFOk
VU2JO Jon retweeted
Elevated one limb of the loop antenna on a mast vacated by the non-functional fan dipole. Made the feed point from the ladder line almost perpendicular as suggested by @SP3RNZ. Of course, all these are compromises due to mounting constraints! youtu.be/mcmj7eb_S8I Just trying!
xmoe1 @xmoe100
59 Followers 1K Following
Norwood Tillman @NorwoodTil24207
86 Followers 4K Following
WA5AZQ Michael @WA5AZQ
741 Followers 831 Following Radio amateur. NWS SKYWARN storm spotter-wx geek. Confirm on https://t.co/T3PTdI5HbS & LoTW. Make video & sound by day. Heavy East Texas accent. QTH=EM10 Texas USA 🇺🇸
W4WRG @_W4WRG
43 Followers 205 Following Retired USMC. PSD Protection Spec..w/Dept of State. Technician since June 16, 2025. Hoping to get my General Cert in August. Enjoy DMR and learning more.
aa a @aaa1416172
40 Followers 3K Following
Russ @RussellMcGregor
925 Followers 6K Following Tech guy 🖥️, making stuff work 🔨. Husband and father 👨👩👧👦. I'm here for the smart stuff and the dumb stuff.
Alexey D @AsiabizRu
98 Followers 2K Following
jerry @lightenupbob
400 Followers 172 Following WRZT429: Nothing makes me special and I Like it That way.
Juan José Cabrera @ea8bgo
467 Followers 1K Following
Space Colonize @Spacecolonize
2K Followers 3K Following Outer Space Colonization is dedicated to the goal of colonizing outer space
Ios-DX home supply @IosSupply
98 Followers 825 Following Icom Yaesu Radio Supply provides premium amateur radios, antennas, and accessories. Trusted source for Icom serving hobbyists and professionals worldwide.
Nina @Klymenko95755
113 Followers 5K Following Owns an overseas trading company, loves traveling, and also likes to explore food from all over the world
Nicole L Hendricks @LNicole797979
730 Followers 3K Following Someone who loves life, loves to share it and loves freedom.
Danielle Lam @LamDaniell64613
172 Followers 3K Following Trust us, it's real! 🤑 Since 1967, we've awarded over $618 Million and we're not stopping there. Your chance to win is just a tap away. PCHWinner
Shania Twain @STwain33760
43 Followers 3K Following Live In Concert Bonus Summer Shows are on sale now
JULIE LEACH @leach_juli6606
86 Followers 4K Following I'm Julie leach the $310,500,000 mega lottery winners!!! this is my give away Twitter page!! I am giving out $100,000 of my winnings to the needy
DIY599 @dl4ka
1K Followers 1K Following Hi HAM Ops., this is the official Twitter account from @DL4KA. I will share exiting stuff about my Hobby here. Please stay tuned. amazing things will happen.
Michał Augustynek @michalonex
50 Followers 363 Following
frankiee 🐨 @frankieesalazar
901 Followers 1K Following 27 - radioaficionado argentino (LU1EKK) - operador de radio - sw-listener - fan del kpop - neurodivergente - hincha de @sanlorenzo
Known as sk @Known_as_sk
68 Followers 783 Following I make videos📽️sometimes 🤖A.i. isn't plagiarism. 🚀Kerbonaut🗿Anti-Normal⬇️ ♟👀 ☠️Eviscerate the Proletariat? i like Cake too!🍰 https://t.co/l4OZ7l10uB
CT3FM @CT3FM
409 Followers 613 Following
Tiny Elena @bretty_jen65668
16 Followers 429 Following
2E0TNH - Nick @PeoplepixU
315 Followers 1K Following Radio, electronics, 3d printing, crafts and general maker
okloopy @okloopy
5K Followers 7K Following Bows to God, follows His son Christ. Midwest conservative, heavy iron vehicle design engineer, No DM’s. KJ5GGE
Hari Sriramaiah @HariSriramaiah
70 Followers 242 Following 📡 VU2UCR | Athlete into motorsport 🏎 & trap shooting 🎯 | Ham radio & satellites | Leading draught systems in India @ Sanky Tech 🍺 | Fruit Capital 💰
Intrepid J38 @5NN7373
144 Followers 482 Following
Sandra Mary @hosey48213
21 Followers 868 Following I'm here looking for a good friendships that we lead to relationship
Maye @Maye3801
0 Followers 378 Following Bestselling International Author of A Woman Makes A Plan 📖 Doctor of Dietetics 🧑🎓Supermodel 😉💃#ItsGreatToBe76 Manager: [email protected]
overflow @adamblanquart
202 Followers 2K Following RF/GPS/Satellite/Chip Hacker, SIGINT, US Built AI Powered Drones, Hiking, 3D Printing, Chemistry, Linux security admin, mushroom foraging. Opinions are my own.
Mugenga Benoit @BenoitMuge82073
0 Followers 762 Following
Arrijal Rifai @ArrijalRifai
21 Followers 293 Following
Sunil Bugaliya @SunilBugal33770
98 Followers 3K Following
ICXVORTEX @HatetheTrap
146 Followers 3K Following . metal, hockey, cooking, #LETSGOPENS @[email protected]
Steven J. Wamback @Eurypterus
242 Followers 2K Following Seeker of Wisdom, Curator of Knowledge, Man of Science, Child of the Universe, Defender of Freedom, Lover of Life, Enemy of Evil, and Proponent of Peace.
JEM @lallalu
1K Followers 2K Following Proud Republican and support/voted for our President Donald Trump in 2016/2024. Small town life because less is more! 🐽🐶🇺🇸🍊KC3TMX
Christopher70 @Christophe21490
424 Followers 3K Following Dissident Aggressor No one is coming....audentes Fortuna iuvat Paramedic Caedite eos. Novit enim Dominus qui sunt eius.
🇵🇦HP2VX - Virgi... @hp2vx
448 Followers 73 Following This is part of what I have done on Social Radio Activities & still counting. .. https://t.co/lg9lOKW6ff
Bill Baumgardner @HawgsFan
21 Followers 39 Following
rozh ali @rozhali12
54 Followers 2K Following
RP @RP9555595598363
45 Followers 2K Following
WA5AZQ Michael @WA5AZQ
741 Followers 831 Following Radio amateur. NWS SKYWARN storm spotter-wx geek. Confirm on https://t.co/T3PTdI5HbS & LoTW. Make video & sound by day. Heavy East Texas accent. QTH=EM10 Texas USA 🇺🇸
W4WRG @_W4WRG
43 Followers 205 Following Retired USMC. PSD Protection Spec..w/Dept of State. Technician since June 16, 2025. Hoping to get my General Cert in August. Enjoy DMR and learning more.
Space Colonize @Spacecolonize
2K Followers 3K Following Outer Space Colonization is dedicated to the goal of colonizing outer space
Ios-DX home supply @IosSupply
98 Followers 825 Following Icom Yaesu Radio Supply provides premium amateur radios, antennas, and accessories. Trusted source for Icom serving hobbyists and professionals worldwide.
DIY599 @dl4ka
1K Followers 1K Following Hi HAM Ops., this is the official Twitter account from @DL4KA. I will share exiting stuff about my Hobby here. Please stay tuned. amazing things will happen.
CT3FM @CT3FM
409 Followers 613 Following
CW Steve @WI5D_Steve
87 Followers 121 Following
2E0TNH - Nick @PeoplepixU
315 Followers 1K Following Radio, electronics, 3d printing, crafts and general maker
DanielCraigie M7IBX @DanielCraigie
335 Followers 1K Following Never officially associated with Fujitsu…
Intrepid J38 @5NN7373
144 Followers 482 Following
Arrijal Rifai @ArrijalRifai
21 Followers 293 Following
Steven J. Wamback @Eurypterus
242 Followers 2K Following Seeker of Wisdom, Curator of Knowledge, Man of Science, Child of the Universe, Defender of Freedom, Lover of Life, Enemy of Evil, and Proponent of Peace.
🇵🇦HP2VX - Virgi... @hp2vx
448 Followers 73 Following This is part of what I have done on Social Radio Activities & still counting. .. https://t.co/lg9lOKW6ff
Dharmendra Kumar @Dharmendrausn
138 Followers 3K Following Computer Science & IoT Engineer| Pure mathematics|
Steve Weigold @kf8ki
691 Followers 1K Following Retired Medic, photog, diver, motorcyclist, Patriot Guard, geocacher, Extra class radio op, outdoorsman, explorer, archer, shooter. Yea. I stay pretty busy.
Terry Osborne @TerryOs27686719
9 Followers 0 Following
Pat Jensen @patsonvideo
438 Followers 759 Following Distinguished Architect @zoom. CCIE #53452. Husband, father, collaborator, mentor.
Cameron Gable @CameronGable6
1K Followers 724 Following Falcon Avionics Lead @ SpaceX | Go Blue | N6CBL
CallsignSearch @CallsignSearch
203 Followers 721 Following Amateur Radio Operator Call Sign Search And Information Sharing Platform. (Ham Radio Social Network)
Pablo (lu1epc), @PaCattaneo
899 Followers 627 Following 🇦🇷 Radioaficionado LU1EPC 🇦🇷 @barcosmdp (instagram) @lu1epcradio (Instagram)
Radioexperimentadores... @xe1rcu
57 Followers 145 Following Radio Experimentadores Universitarios, A.C., is a radio club formed by members of the university community of the Universidad Nacional Autónoma de México, CDMX
OA4DEX @DexOa4
36 Followers 244 Following
AnushkaWonders @AnushkaSharad
2K Followers 1K Following Astrophysics, Philosophy, and much more that’s yet to form to give it a name!
Sai Kiran @saikiran6344
12 Followers 199 Following
KM6JBI @KM6JBI
423 Followers 2K Following Hunting FT8 only with 100 watts and a fan dipole antenna. Linux enthusiast
Hans J. Wieser (HB9JO... @HJW_MCO
171 Followers 415 Following Retired - busy enjoying life after professional career (family, travel, nature and amateur radio) Now the time has come to explore countries and cultures.
Joseph. 🇺🇸🇨�... @W5FJG_QRZ
3K Followers 3K Following Celebrating 40 years in Amateur radio. I’ve operated long term as EL2JM, JY9ZK, ST2JM, 7Z1AC, KH4/W5FJG, KC4AAA (S. Pole) NO DMs
ARRL @arrl
45K Followers 841 Following The official Twitter feed for ARRL, the National Association for Amateur Radio in the US.
Nirmal kumar @Nirmalsky84
95 Followers 246 Following VU2YUR | DRM | Radio | SDR | Philatelist | Tech in AIR, TN, India.
BA1PK @ba1pk
788 Followers 174 Following Amateur Radio of China TS-590 R9/Double line FT8 working at 6-160m TS-2000 HRD software, G-5500 U15/V10 FM/CW/SSB/DIGI at Satellites QSO upload Lotw/eQSL
Imants Tukleris @yl3ct
105 Followers 144 Following
RetroCodingFun @RetroCodingFun
347 Followers 5K Following Exploring technology from the past with an eye to the future and having fun along the way
Radioclub UPV @radioclub_upv
118 Followers 212 Following EA5RKP - Ens comuniquem per ones de ràdio amb el món des de l'@upv 📡 - Nos comunicamos por ondas de radio con el mundo desde la @upv 📡
Mohamed Basheer @evmbasheer
19 Followers 163 Following
Óscar L. @ea1dr
787 Followers 408 Following EA1DR © De la radio me gusta hasta la ROE! /-/-/ ❤ DX4ever ❤
Arceneaux Hayley @physicianhayley
113 Followers 238 Following Private Account ‼️⚠️ Astronaut who loves exploring earth + PA, speaker, traveler, author of Wild Ride, & the youngest American to orbit earth 🌎 ❤️
Aang254 (🦋 aang23.... @aang254
5K Followers 604 Following A random 21yo interested in satellites and other stuff :-) Probably mostly known as SatDump's author. https://t.co/jY1HuIMODX BSKY : https://t.co/ADfGiJQh54Trends for United States
195 B posts
69,4 B posts
54,8 B posts
74,6 B posts
66,4 B posts
231 B posts
186 B posts
40,9 B posts
55 B posts
7.892 posts
2.823 posts
24 B posts
5.359 posts
5.438 posts
6.994 posts
5.156 posts
123 B posts
4.166 posts
5.921 posts
2.671 posts
You might like
jason VE5REV
@VE5REV
1K Followers
Rob - KB6JFL
@kb6jfl
246 Followers
K4DSX
@K4DSX_
238 Followers
Pat - NØHR
@DxMonger
308 Followers
W3WIN - Don
@W3WIN_Don
222 Followers
Alan
@GM5DDX
455 Followers
K7NNT - Randall 🇺�...
@k7_nnt
1K Followers
ARDC
@ARDC_73
949 Followers
Off Grid Pete
@OGridPete
1K Followers
Two Communications
@2Communications
3K Followers
Dr Bruce Macaulay
@G4ABX
5K Followers
Eddie Stephan (KO4NLL...
@Ko4Nll
539 Followers
SQ1K Bart`s Shop
@BBzymek
863 Followers
N1LF-FM & WX DX GUY�...
@LesN1LF
904 Followers
Fabián XE2XEH
@xe2xeh
143 Followers