I have been curious of what the noise figure on the Golden Media GM-201 LNB is. GM-201 is the LNB that is included as part of my PARI-O...

You can now listen to the geostationary radio amateur satellite Oscar 100 from a web browser. The receiver is using my latest product...

My FT-857 developed a fault the other month, it does not give any power out on transmit on SBB and AM, FM works fine though so the PA is...

Yesterday I took a break from building electronics and did a YouTube video. It's the first one and hopefully I will find the time to...

Peter Parker (Amateur call sign VK3YE) did another review, this time it's my WSPR receiver he takes a look at. In the Video he goes over...

I spent the yesterday to document the WSPR-RX and put the source code on Github. You will find the documentation here

French Radio Amateur F1GYT - François that writes blogs and books about Raspberry Pi just wrote an article about the WSPR-RX that might...

Earlier in the week I released my first boxed up product for sale here at ZachTek.com. It is a small fixed frequency receiver for...