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Issue 400 October 4, 2025
Taking a Break
400 is a nice round number and feels like a good point to place a short pause on this newsletter through the end of the year. I'll be using the extra time to focus on other projects like Net Finder as well as some non-Ham Radio projects. In the meantime, keep an eye out for a few special issues including the usual end-of-year round-up of most-clicked articles.
73 K4HCK
Top Links
Amateur Radio licensing update during US government shutdown
ARRL Volunteer Examiners should continue giving exam sessions.
ARRL
Review: futureGEO Workshop 2025 in Bochum
Setting the course for the next geostationary Amateur Radio satellite.
AMSAT-DL
ISS Slow Scan TV October 3-9
ARISS Series 29 comprises 6 images to celebrate the launch of the first artificial Earth satellite in 1957.
AMSAT-UK
MicroLink EchoLink node
The smallest, cheapest way to put a radio onto the EchoLink network.
KC1FSZ
Construction of the Simple Low Profile Multiband POTA antenna
Although the antenna is described as “simple,” that term relates more to how it is deployed and its appearance than its actual construction.
Ham Radio Outside The Box
7,000 POTA QSOs at one park
This is no small feat for me.
WK4DS
Direction finding with a KrakenSDR
KrakenSDR is a 5-channel coherent RTL-SDR based software defined radio system.
RTL-SDR
Install a Ham Radio window feed-through
No-drill step-by-step.
Ham Radio Prep
Plotting RF spectrum with the LinHT
The display is so colorful, why not sprinkle it with a bit of DSP maths, generating a nice plot for us to enjoy?
M17 Project
Hurricane Helene: One year later
Amateur Radio became our family’s superpower.
K4SWL
Upcoming Events
Video
The 44Net origin story
We look back at the beginnings of 44Net, where pioneers share their contributions to putting the Internet over the airwaves.
ARDC
Easy packet radio interface
Digital interface lets you interface your dual-band rig to a Raspberry Pi or PC.
KM6LYW
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