Contests on the first weekend in August

Alpe Adria, Bayerische Berg Tag, DARC Sommer Fielday, OK Letni QRP

On the first weekend in August don’t forget to participate in some of few “field day” style contests: Sommer-BBT Contest (2m to 6cm) DARC UKW-Sommer-Fieldday (2m to 6cm) ALPE-ADRIA VHF CONTEST (2m) OK Letní QRP Contest (2m) We wish you nice weather and good propagation! Enjoy! Photo credit: Photo by 🧔‍♂️ Michal Kmeť on Unsplash

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M17 Project – new digital radio protocol

M17 new digital radio protocol hamradio amateurradio

Before few months, Wojciech SP5WWP informed us about M17 project. M17 is a new digital radio protocol in development as an alternative to those currently available, with freedom in mind. “The goal here should be to kick the proprietary protocols off the airwaves, replace DMR, Fusion, D-Star, etc. To do that, it’s not just good enough to be open, it…

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CQ-DATV Issue 96 – June 2021

CQ-DATV June 2021 amateur radio television

The new issue of CQ-DATV is available for download Contents News and World Round-up 600 Watt, 23cm, Amplifier Voyager MiniTutiouner-Express advert One Ham’s Solution to Living Behind a Tall Mountain How to connect Adalm Pluto to the Internet without using the USB / Ethernet adapter From the vault – The BASIC Engine Information Coming up Enjoy reading! Picture: cover photo…

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Microwave contest – 5/6th June 2021

Don’t forget, next weekend is microwave contest!!! Announce your activities >here< Rules you can find >here< (pdf) For weather forecast we recommended Meteorologisk institutt og NRK … for my location weather forecast is very bad, probably I must find a better forecast :-/ hope you will have a nice WX condition. We wish you a lot of QSOs and nice…

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Over 50 km on 481 THz! Great news from SP

PK UKF 481 THz microwave radio amateur

On May 8, 2021, the group of Polish radio amateurs: Marek SP4ELF, Jurek SP2GUB, Adam SQ2DOL, Piotr SQ4MIK, and Jarek SQ4IOB realized optical communication (481 THz) between the locators KO04nd40DA and KO04fi31GV for a distance of 50.018 km. So they have broken the magic limit of 50 km! Congratulations! Read more on: http://mikrofale.cafe/showthread.php?tid=248 https://pk-ukf.pl/optyczne-qso-na-odleglosc-50km/ Pictures: https://photos.google.com/share/AF1QipNqhgzWZOJDFAMIwAlOCQ1vXA-EPRS9rTA-oRjSj8ranU7N7XbhAZJlsWPDFoyPqg?key=NWoxVk02UW1jbHp6NWVVX1Y3a2JYb1dtcExwRUd3 Cover picture: https://pk-ukf.pl/optyczne-qso-na-odleglosc-50km/#iLightbox[gallery5661]/0 Thank…

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Free RF Engineering Software for Hamradio Enthusiasts

KiCad

If you create your own hardware you need good software tools to doing that. Professional software is too expensive for hobby users but some free software tools doing a good job too. SignalIntegrity – is Python based software for signal and power integrity brought to you by Teledyne LeCroy. It has two main uses: SignalIntegrityApp – A GUI software application that…

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