The 52 Week Ham Radio Challenge – 2025
This is meant to inspire you to extend your horizon in Amateur Radio.
DJ5CW

The cavity duplexer [PDF]
If you are like many Hams and two-way radio professionals, you likely have more questions about duplexers than answers.
W6NBC

Packet radio fun on the Mac: A beginning
Packet radio on a Mac Mini and an Icom IC-7300.
KC8JC

Packet radio build: Windows Server configuration for BPQ32 and Winlink
It stands on much more solid ground than running a specific wine version, with a very old version of .net, or hacking together a client to stop all updates.
The Modern Ham

Commercial HF Radio
Cisco Systems holds a license that lists their San Jose and Research Triangle Park campuses, besides a nationwide mobile location.
Computers Are Bad

Deep Space Exploration members competing in Ham Radio competition
The Deep Space Exploration Society will utilize their 60’ dish for ARRL’s EME contest.
Kiowa County Independent

HamSCI Newsletter volume 1, number 1
Issues contain news about past and future HamSCI happenings, such as research projects, in-person meetings, and on-air events.
HamSCI

Six weeks and 7300 miles: Activating on the road
A driving trip across the United States and back that included activation of Parks on the Air (POTA) entities in 21 states.
QRPer

Video

From NASA missions to Ham Radio
Dr. Patricia Reiff W5TAR shares her journey.
W1DED

Parks on the Air step-by-step
A complete real-time guide to a POTA activation.
KB9VBR

Microcontrollers are just radios in disguise
Ways to leverage every cycle of underpowered microcontrollers to get them doing the work of parts ten times their price.
Hackaday Supercon 2024