In last time 122GHz became one of the most popular microwaves bands. Picture: from video screenshot https://www.youtube.com/watch?v=mrh1Uk15AMU
Read MoreHigh activity on 122GHz
Tag: #hamradio
432 AND ABOVE EME NEWS – July 2020
The new EME newsletter for July 2020 is here http://www.nitehawk.com/rasmit/NLD/eme2007.pdf Enjoy reading! Photo by Ramiro Martinez on Unsplash
Read MoreAdalm Pluto like SA up to 22GHz
Adam 9A4QV demonstrates the new possibilities of Adalm Pluto. Now, like a spectrum analyzer up to 22GHz. More info you can find in Adams’s video. Picture: screenshot from video
Read MoreDATV Experimenter’s Night
Picture: screenshot from the video YouTube Chanel: Reast Hobart
Read MoreOK1KKD in July Contest
Picture: screenshot form video
Read MoreLNA – Protecting Sensitive Components
Sensitive low noise amplifiers (LNAs) in radar or radio receivers cannot tolerate large input signals without sustaining damage. What’s the solution? Receiver-protector limiter (RPL) circuits, the “heart” of which typically comprises PIN diodes, can be utilized to protect sensitive components from large input signals without adversely affecting small-signal operation. RPL circuits do not require external control signals. These circuits comprise…
Read MoreEA record on 10 GHz – 1598 km
QSO between EA1BLA and EA8BFK, distance 1598 km! Congratulations!
Read MoreHAM RADIOnline
Many varied topics relating to amateur radio, operating and broadcasting technology, as well as honors, talk groups and interviews will be presented on the Internet by the DARC under the title „HAM RADIOnline“ from June 26 to 29, 2020.The Software Defined Radio Academy team and the video crew „Fascination Amateurfunk“ are in charge.The HAM RADIOnline program sees itself as a…
Read MoreMicrowave EME on Wiki
Sam G4DDK and John G4BAO published a page on Wiki about EME on the higher bands. The article is full of very useful and interesting information. From Introduction od article: Above the amateur radio 144MHz band low sky noise means EME takes on a different character. Low sky noise (noise temperature) means that very weak signals can be heard against…
Read More50 MHz & Up Group – Web Pages with archive
On 50 MHz & Up Group web pages is possible to find a lot of very interesting microwave articles: A hybrid SDR made from the mcHF UI board and the HackRF front end, Gary, K6MG, May 2020 Millimeter Wave Path Selection and Propagation Prediction, Mike, K6ML, April 2020 New World Distance Record on 122GHz, Mike, K6ML, April 2020 Low noise…
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