CQ-DATV Issue 94 – April 2021

CQ DATV 94 April 2021

The new issue of CQ-DATV is available for download Contents Production Team Editorial News and World round up A Cheap ATV Amp for 420-450 MHz Does DATV Radiate as Far as FM-Voice ? Grass Valley Mixer Conversions – Part 27 Phase Noise Issue Resolved for ADF-5355 MiniTutiouner-Express advert QO-100 All Modes Station Mixed Remote Station Based on SDR ADALM-PLUTO From…

Read More

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!…

Read More

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…

Read More

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…

Read More

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 ……

Read More