OK1UFL – 122GHz version according to VK3CV

OK1UFL 122GHZ transverter

Mila OK1UFL shared his experience about assembling and using a VK3CV transverter for 122GHz. Mila tested also a few 10MHz oscillators to improve frequency stability. He used a camping 40 cm offset dish and is nice to view how to find focus. Link to the original article in the Czech language (use google translate options or similar): https://ok1em.blogspot.com/2021/02/test.html Enjoy reading!…

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New IARU Region 1 record on 241 GHz

db6nt recorn 241GHz

Michael DB6NT and Gert DG8EB made on 14.02.2021 at 13:20 a new European/IARU R1 record on 241 GHz. The old record is for 18,523 m improved and now is exactly 38,523 Km. How wrote Michael they had a super sunny winter day. Weather conditions: Temperature: -2° C Relative air humidity: 46%Air pressure: 1042 hPa Wind: 5 Km/h Michael also made…

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Winter QRP Contests 2021

BBT contest Der Bayerischer Bergtag

Don’t miss QRP contests on the weekend 06.-07.02 Please show responsibility, wear your mask (of course if you are not alone on some mountain peak), observe the Corona rules and hygiene regulations! Stay health!  Der Bayerische Bergtag  – Winter part: Datum Day UTC MEZ Band Log 06.02. Saturday  09:00-11:00  10:00-12:00  1.296 GHz  17.02   11:00-13:30 12:00-14:30 2.320 GHz  17.02   11:00-13:30 12:00-14:30…

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UK MICROWAVE GROUP –Scatterpoint 2019

UK Microwave group

All Scatterpoint issues from 2019 have been published as a PDF and are now available for free download. In 2019 issues you can find many interesting articles like:  Eyal Gal Module for 10 GHz A 52 MHz to 13.6 GHz Signal Generator Based on the ADF5355 24GHz Personal Beacon using Alcatel ‘White Box’ Tx Module Horns for 122GHz Transceiver ……

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New 30THz band used for experimental Amateur radio communications

VK3CV 30THz

In November 2020, Andrew VK3CV / WQ1S and Karl VK3LN made a contact in a previously un-explored section of the upper electromagnetic spectrum at 30 Terahertz (THz) which is 30,000 GHz. A two way contact over 60 metres distance was achieved with 5×5 signals received each way. The contact is believed to be the first ever in this band anywhere…

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Two cheap QRP PAs for the 2.4 GHz uplink satellite QO-100

OK1UFC power booster wifi

Mira OK1UFC described two possibilities of how to use cheap small power amplifiers for boosting signal on 2.4GHz. If you love QRP and don’t mind the reports you receive for weaker, but sufficient signals on the QO-100 satellite for communication, you have several options for which PA to get. Link on original article <link> Enjoy reading!

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