ARRL

The official Twitter feed for ARRL, the National Association for Amateur Radio in the US.

[ARRL @arrl]

Callsign license plate 🪪 or callsign hat 🧢? We forced the ARRL team to make some tough choices in our latest "Would You Rather" challenge! Watch to see who folded first.

What's your pick? Let us know below! 👇

#hamradio #amateurradio

[ARRL @arrl]

[ARRL News] The ARRL Solar Update https://t.co/J4pcO6QrdL #ARRL #amateurradio #hamradio

[ARRL @arrl]

Learn about what goes into an on-air contest, and what you, as a new ham, can get out of participating in one in this month's On the Air podcast:

🎙️LISTEN: https://t.co/axeVhVBpxD
📺WATCH: https://t.co/R2HSzPgBqE

#hamradio #amateurradio

[ARRL @arrl]

⏳ Last call! Today is the final day of the 2026 ARRL Online Auction. The clock is ticking to score great gear, books, and radio equipment before bidding closes tonight!

Don't miss out—get your final bids in now at https://t.co/Akkry0lEi8! 📻💻

#hamradio #amateurradio

[ARRL @arrl]

Heading into the field to operate soon? 📻🌲

John, W1DRF, from the ARRL Lab shares quick, essential tips for running a successful portable operation!

Watch the video to optimize your setup ⬇️

What's your go-to field radio?

#hamradio #amateurradio

[ARRL @arrl]

[ARRL News] eBay Restricts Listings of Radio Equipment, but Exempts Ham-Band-Only Gear https://t.co/k3hXlv6Obq #ARRL #amateurradio #hamradio

[ARRL @arrl]

[ARRL News] Florida Hams Provide Communications Support During Hurricane Isaias https://t.co/KtnFEZQj3S #ARRL #amateurradio #hamradio

[ARRL @arrl]

[ARRL News] The ARRL Solar Update https://t.co/AY7N1YOZyW #ARRL #amateurradio #hamradio

[ARRL @arrl]

The 2026 ARRL Online Auction is NOW LIVE!

Bid on 230+ items including transceivers, vintage gear, and Lab mystery boxes. Every bid supports ARRL advocacy and education programs. Running through Oct 22.

Check out the catalog and place your bids: https://t.co/Akkry0lEi8

[ARRL @arrl]

[ARRL News] Preview the 2026 ARRL Online Auction https://t.co/iujbxwU3rz #ARRL #amateurradio #hamradio

[ARRL @arrl]

Does an antenna tuner actually tune your antenna? 📡

Spoiler: No! It doesn't change the physical antenna at all.

In the latest #TechTipTuesday, Wayne, KB4DSF, breaks down what a transmatch actually does and why it makes your radio happy. ⚡️

#hamradio #amateurradio

[ARRL @arrl]

From blown capacitors to calling CQ into a dummy load for 20 minutes... we’ve all made mistakes in ham radio! 📻💥

What’s your biggest amateur radio fail? Drop it in the replies below! 👇

#HamRadio #AmateurRadio

[ARRL @arrl]

[ARRL News] ARRL Headquarters Closing Early on Friday, October 9, 2026 https://t.co/4lI1Wbd13A #ARRL #amateurradio #hamradio

[ARRL @arrl]

[ARRL News] Radio Amateurs Prepare for Tropical Storm Isaias https://t.co/7BzaTQSz0J #ARRL #amateurradio #hamradio

[ARRL @arrl]

[ARRL News] Watching the Gulf https://t.co/xHMi783s2k #ARRL #amateurradio #hamradio

[ARRL @arrl]

Does a low SWR mean your antenna system is actually working efficiently? 📻⚡

Wayne, KB4DSF, breaks down Standing Wave Ratio (SWR), feed line loss, and why a 1.0 SWR doesn't always guarantee a great signal in today's Tech Tip Tuesday!

#hamradio #amateurradio

[ARRL @arrl]

Monday Morning Morse Message!

#hamradio #amateurradio #Morsecode #CW

[ARRL @arrl]

Ever wondered what’s in the sky at ARRL HQ? 📡 Check out a tour of our antenna farm, featuring multiband beams, rotatable Yagis, satellite tracking arrays & W1AW's setup!

Which one would you want in your backyard? 👀

#hamradio #amateurradio

[ARRL @arrl]

[ARRL News] 2026 Collegiate QSO Party is October 3 – 4 https://t.co/zZkuILxcVA #ARRL #amateurradio #hamradio

[ARRL @arrl]

ARRL Tech Tip Tuesday 🧑‍💻

Learn More:
🔗- https://t.co/R6uwrctHRa

#hamradio #amateurradio