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Amateur Radio, Tech Insights and Reviews

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amateur radio open source Technology

ATS Mini Controller: Turn a $30 RTL-SDR Dongle into a 50,000-Station Shortwave Browser with Live CW Decoding

9M2PJU 22.10.2026

ATS Mini Controller is a free web app that turns a $30 RTL-SDR dongle into…

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Tap to practice screen showing the visual Morse tree with the E to I to S path highlighted and SOS decoded at 15 WPM
amateur radio android Technology
9M2PJU 0 Comments

Morse Code Tap and Translate: Learn Morse Rhythm on Android for Ham Radio

Morse Code Tap and Translate is a free Android app that teaches Morse code by…

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19.10.2026
amateur radio android open source Technology
9M2PJU 0 Comments

ClassD VHF Transmitter: Turn Any Android Phone into a 2M OOK Morse Beacon via Class-D TEMPEST Harmonics

TA1EEI ClassD VHF Transmitter turns any Android phone into a short-range 144 MHz OOK Morse…

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28.09.2026
Pebble HF ultra-portable 20-meter QRP amateur radio transceiver kit with OLED display and built-in controls
amateur radio open source Technology
9M2PJU 0 Comments

Pebble HF: The Ultra-Affordable 20M QRP Transceiver Kit for Portable Operations

The Pebble HF is an ultra-affordable, pocket-sized 20-meter QRP transceiver kit offering up to 5W…

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16.09.2026
amateur radio
9M2PJU 0 Comments

Types of Amateur Radio Nets: A Beginner’s Guide to Social, Traffic, Emergency and More

Amateur radio nets are organised on-air meetings that help operators share information, practise skills, handle…

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11.08.2026
amateur radio history
9M2PJU 0 Comments

CW Prosigns and Abbreviations That Leaked Into Everyday Life

How 73, HIHI, DE, QSL and other CW shorthand from the 1850s ended up in…

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18.07.2026
amateur radio open source
9M2PJU 1 Comments

Build an ESP32 Fox Hunt Beacon with 9M2PJU Firmware

An open source ESP32 firmware that turns any cheap handheld radio into an IARU-standard ARDF…

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12.07.2026
amateur radio
9M2PJU 0 Comments

FISTS CW Club: Keeping Morse Code Alive on the Air

FISTS CW Club and FISTS East Asia: Keeping Morse Code Alive on the Air "When…

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06.07.2026
First CW QSO
9M2PJU
9M2PJU 0 Comments

How to Start Your First CW QSO: A Beginner’s Guide

So if you learned the Morse code alphabet. You can copy letters at 10, 12,…

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05.07.2026
spark gap transmitter radio
amateur radio history
9M2PJU 0 Comments

CW and Modern Amateur Radio: How Much Did Morse Code Really Shape the Hobby?

Continuous wave telegraphy, universally known among operators as CW, is often credited as the foundation…

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03.07.2026

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