Issue 383 May 24, 2025

Top links

Amateur spectrum addressed in US House Reconciliation Bill
Within two years not less than 600 megahertz must be identified from between 1.3 and 10 GHz for reallocation to commercial use for broadband services.
ARRL

Hamvention 2025 wrap-up
The future of Amateur Radio is strong.
K4HCK

Hamvention brings the world to Greene County
Organizers estimate that this year’s turnout exceeded the 35,000 attendees of 2024.
Xenia Gazette

AMSAT volunteers power Hamvention exhibit
Live satellite demonstrations outside of the exhibit area drew interest from Hamvention participants.
AMSAT

Highlights from 2025 Dayton Hamvention
The ARRL Lab tested more than 170 radios in the booth, including a handheld radio that fell 14,000 feet.
ARRL

The 2025 Four Days in May Symposium
An Introduction to LTspice, A Tube Transmitter for SOTA, SSB for the QMX, and more.
KB6NU

2025 Four Days In May (FDIM) Photo Gallery
If you’re a QRPer and haven’t made it to FDIM yet, I can’t recommend it enough.
QRPer

Another Hamvention done
The FreeDV project demonstrated the benefits of Radio Autoencoder (RADE).
FreeDV

Wandering around Hamvention 2025
I wandered around the grounds, asking other hams what the coolest and strangest things that they found at the festival.
KB9VBR

Video

ARISS Hamvention Forum: 25 years of continuous operation on ISS
Demonstrating the ARISS 2.0 vision with Fram2Ham.
Hamvention

Hamvention floor walk 2025
Take a tour of Hamvention 2025.
KM4ACK