26 May 2017

Staging the Nixie line-up on PCB

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First things first: do ZM1332/5870S fit and align on my fresh PCB's? Do they look right? In order to get a first impression I picked fou...
23 May 2017

My firstpcb.com's first PCB's have arrived!

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Finally! After a slooooow journey across the world, my first PCB's have arrived! Ten pieces of a board holding 4x ZM1332/5870S Nixies, t...
19 May 2017

My review of "57° Mercatino di Marzaglia" - May 2017

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Top quality from the past! For the first time I attended the famous Mercatino di Marzaglia near Modena (57 th edition, May 2017). I ...
18 May 2017

HB-100 300 metres "DX" and opaque windows

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When the first "long distance" 10 GHz reception test failed (about 300 m as the crow flies), I knew something was utterly wrong. B...
14 May 2017

10 GHz TX ready for the first mission

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Now that I have completed, debugged and tested the WFM modulator for HB100 radar modules, it is time to try an outdoor transmission. Since I...
10 May 2017

A ionizing experience

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In 1987 Italians voted against the use of nuclear power plants to produce electricity on the Italian land. This meant an immediate shut-down...
09 May 2017

First WFM on 10 GHz (HB100 radar)

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The transmitter of this test. A fter fiddling for a while with the modulator circuit by DJ7OO, I managed to transmit audio using Wide-FM...
25 April 2017

More on HB100 10 GHz frequency agility

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In the previous post I wrote about measuring how much a stock HB100 radar module can be moved in frequency. I did another test to answer ...