Author Archives: Jerzy

How I build 1.5m dish

Prime Focus Mesh Dish kit from RF HAMDESIGN.  Dish size D=1.5m, F/D=0.45, mesh usable up to 6GHz Gain dBd= 1296/22.2, 2320/27.2, 3456/30.3, 5760/33.9 Linear Tri-Band dish feed 23, 13 & 6cm 

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10GHz beacon DB0GHZ

1st of July was a good tropo on 3cm to South from me. Copied DB0GHZ beacon located in JO34we, 445km from me. Did a lot of calling to OZ and DL but no response from there.  Video in MP4 (H264) format

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AMS installed at home

Today electrician installed an AMS power consumption meter at my home. Automatic measurement systems (AMS) is a technology that measures power consumption on an hourly basis and automatically sends information about the power consumption of the network company. The meter continuously record the amount of electricity used. This registration is collected and transmitted via radio to the […]

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Unexpected tropo to G/GM

This morning, unexpected found tropo path to G/GM. Did 7 QSO´s and best QRB was 1128 km with G4RRA. Signals were stronger from GM direction, as predicted by F5LEN forecast.   Tropospheric propagation forecast by courtesy of F5LEN  

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Modification WCDMA 2170MHz to 13cm

For original description of the modification go to IZ4BEH . The page is in Italian but using Google Translator is easy to understand main ideas and way to go. I found it very easy to do. One should be, of course,  very carefully not to damage components around the modified places. With 28V supply it is […]

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