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Amateur Radio News

RSS feedDisplaying articles 1 - 10 of most recent articles

ESP32 CW Keyer Technical Reference/KeyersESP32 portable CW Keyer with touch buttons and bluetooth interface, allows control from mobile phone and other devices, Up to 25 pre-saved messages, Variable speed from 5 to 70 wpm.
The DXZone | 14 hours, 10 minutes ago | comment? | recommend
CW Trainer for Morserino 32 Software/Morse Code TrainingA multi-plaform CW-Trainer program (already tested on Windows and Linux Ubuntu, now testing on Raspberry Pi), multi-skin and it will provide different learning programs.
The DXZone | May 24, 2022 07:31 AM [GMT] | comment? | recommend
Sherwood Tools - Rigs, Price and Satisfaction Studies Radio Equipment/Reviews and ComparisonsA growing set of pages with tools and analyses of various elements of data elements based on Sherwood RX tests
The DXZone | May 23, 2022 11:33 AM [GMT] | comment? | recommend
Top Amateur Radio Websites - Issue 2217 Big Wheel Antenna for VHF , Making Sense of Solar Indices, Six meter Hentenna, SDRangel, The SPC Tuner, E-field Probe Antenna, WebSDR in Andorra
The DXZone | May 22, 2022 07:33 AM [GMT] | comment? | recommend
Spy Numbers Recordings Shortwave Radio/Numbers stationsFrom the sortwave radio audio archive, a collection of recordings of several spy numbers stations, russian, spanish, cuban audio recordings
The DXZone | May 22, 2022 07:33 AM [GMT] | comment? | recommend
Attenuator control Technical Reference/AttenuatorsAn attenuator is needed for example, to generate defined levels starting from a reference level. With this attenuator control a measuring instrument can be calibrated.
The DXZone | May 21, 2022 07:30 AM [GMT] | comment? | recommend
The K7RA Solar Update Solar activity was up, up, up this week, with average daily sunspot numbers increasing from 74.4 to 134.1, and average daily solar flux from 120.3 to 157.3.To get some perspective, I averaged the weekly averages for sunspot number and solar flux from this
ARRL | May 20, 2022 2:54 PM [GMT] | comment? | recommend
Arduino Morse Code Trainer Technical Reference/Arduino/Morse CodeHow to build a Simplified Arduino CW Trainer, this is a version that does not need a keyboard.
The DXZone | May 20, 2022 07:31 AM [GMT] | comment? | recommend
SWR-Display Technical Reference/SWR MetersThe intention was to determine also very small SWR ratios with small power exactly. With this SWR meter, for example, the inputs of RF amplifiers with power < -20 dBm can be measured. In German
The DXZone | May 19, 2022 07:30 AM [GMT] | comment? | recommend
I5HGM KiwiSDR Internet and Radio/WebSDRA software defined receiver located in Tuscany Italy with a Windom antenna convering HF bands
The DXZone | May 18, 2022 07:32 AM [GMT] | comment? | recommend