Issue 297 September 9th, 2023

Top links

The return of RadioShack?
Under its new management, RadioShack is doing pretty well.
Sound and Vision

FreeDV project update
Integrations with FreeDATA capable of sending data down to around -8dB on poor quality HF channels.
Rowetel

Ham Imports
A comprehensive catalog of low-cost radios coming out of China.
Ham Imports

ESP32 APRS tracker
A small form factor, feature rich APRS tracker, digipeater, igate, and modem.
RPC Electronics

Decoding space weather data for HF communication
Publicly available ionospheric data to help you operate on HF.
N6CTA

Long wave radio fans mourn fading frequencies
The band is basically almost dead.
BBC

Titanic: Government filed motion to block salvage of wireless telegraph
This important machine was used to transmit a distress call when the ship was sinking.
artnet

USB-C power for Ham Radio
Most HTs lack a modern USB-C port.
Hackaday

Video

RTL SDR V4 with built-In HF upconverter
Vast improvements made over the V3, especially for HF reception.
Tech Minds

1 Watt POTA activation
1 Watt QRP SSB Challenge to test the N9SAB 40-6m off-center-fed dipole.
N2MAK

End the Ham Radio FCC symbol rate limit
The push to move from Symbol Rate to Bandwidth Rate limits for data.
Ham Radio Crash Course

Umbrella Antennas
Building a radio telescope from an umbrella and copper cloth.
Society of Amateur Radio Astronomers

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73
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