Amateur Radio Weekly – Issue 297
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 the ship’s 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