Issue 380 May 3, 2025

Top links

Yaesu releases FTX-1 series radios [PDF]
HF/50/144/430MHz all mode field and base station transceivers.
Yaesu

IP400 Ichiban - The Big Reveal
An initial production run of 25 IP400 Ichiban units, paired with Raspberry Pi Zero 2 Ws, with the latest software on a MicroSD card, are in production.
Zero Retries

QSO specific F2 visualization
We know the F2 heights all over the world at the time of each QSO.
Copasetic Flow

NOAA 15, 18, 19 end of life announcement
Transmissions will continue for hobbyists.
RTL-SDR

Build a single transistor amplitude modulation & demodulation circuit
With explanation of how it all works.
KM1NDY

What does your contesting keyboard look like?
With most contesting programs the F keys on your keyboard are used for sending specific macros.
VE9KK

Put an old-school BBS on Meshtastic radio
Microsocial media comes to LoRa.
IEEE Spectrum

Are multi-carrier data modes illegal in Amateur Radio?
Organizer of the Amateur Cellular project has a concern about Ham LTE.
Open Research Institute

JARL commemorative station 8K3EXPO at Expo 2025
JARL will promote the event across Japan and the world.
Amateur Radio Daily

Tunnel radio: How signals reach drivers underground
With leaky cables, a look at how motorists stay tuned in during tunnel trips.
RadioWorld

Video

Mount your Ham Radio beam on top of a tree
A fabulous Amateur Radio story 60-feet up.
Ham Radio Perspectives

Understanding HF direction finding
A technical introduction to the three most common methods used in HF direction finding.
Rohde & Schwarz