– your microwave world –
Wolfgang OE8WOZ is a microwave enthusiast from Austria. He is currently active up to 122Ghz and how he is writing on his web, soon on 134GHz and 241GHz. On his web pages you can find a lot of interesting and useful projects: Hairpin filter for Es’Hail 2 (AMSAT P4-A, QO-100) Hairpin filter for the 9cm band About experiments with microwave…
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Michael DB6NT and Roland DK4RC achieved a new record od 134 GHz! They made 2-ways contacts, CW and SSB on the distance of 65 km. More info on OK2KKW. Congratulations to DB6NT and DK4RC on the new record! Photo: http://www.db6nt.de/
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Aditya Mukherjee published on hackaday.io a very interesting project of SP6T wideband RFswitch, useable from 5 to 3000MHz. Technical features in short: 5 MHz to 3000 MHz operation Excellent insertion loss and decent isolation performance Compatible with 3.3V logic No DC blocking 2000V HBM ESD Rating on All Ports 3V to 5V operation Low power device (≈100μA current draw) Entire…
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Mark G0MGX made some tests of inexpensive alternatives to a classic Spectrum Analyser. The results are interesting. Marks blog: https://g0mgx.blogspot.com/ Photo: screenshot of G0MGX YouTube video.
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Hilary VK2AZ made a very interesting video on how to measure the return loss of the 10GHz dish antenna. He used the next calculator to calculate SWR http://cgi.www.telestrian.co.uk/cgi-bin/www.telestrian.co.uk/vswr.pl More of VK2AZ videos you can find <here> Photo: a screenshot of YouTube VK2AZ video
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Timelapse and gallery from Heelweg Microwave meeting. Enjoy! Source: http://www.pamicrowaves.nl/website/
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If you want to dive into microwave history then Microwave Museum is the right place. A beautiful online collection of microwave hardware is maintained by Allan G8LSD and Allan welcomes support and donations of all kinds. In the museum are presented mostly exhibits from UK but you can also find exhibits like Siemens RW3 Travelling Wave Tube or well known…
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Miguel CT1BYM, Jose EA3HMJ and Iban EB3FRN made yesterday an EME sked on 10GHz. First QSO between CT and EA Miguel CT1BYM made with Jose EAHMJ, after that he made also QSO with Iban EB3FRN.Miguel used a 180cm prime focus dish and a new PA with 38W output. Jose used just a 1.2m offset dish and 20W because he is…
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Ian VK5ZD made an interesting Path Loss Calculator for microwave frequencies, from 24GHz upwards. It is designed for VK but is also useful in other countries. For easier use of Calculator read first info.
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CQ-DATV is a one great and free magazine, for all ATV fans. It covers digital ATV and analog technology too. Also, all others will find a lot of interesting articles about ham radio and technics. All contributors make articles for free, and CQ-DATV calls all to contribute to the magazine. “Please sit back and read what our contributers have delivered…
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