Hayden - VK7HH have built a 6m WSPR beacon using a WSPR TX_LP1 and have done a really good job putting it together in a high power...

Today I played around a bit with an amplitude modulated 10mW 400THz WSPR transmitter and receiver. It all started with an email from ...

Hi all. I just released the firmware and configuration software version 0.75. They have improvements in the following areas: - Improved...

WSPR is a great way to explore and test a wide range of stuff in our wonderful radio hobby. Although I guess most of us use WSPR casually...

I recently found an error on my PCB used for the WSPR-TX-LP1 transmitter. The error affects the unpopulated low pass filter. What boards...

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...

I have now completed construction, testing and build of my latest WSPR Transmitter. I call it the WSPR Mini! It is only 41x56mm in size...

YouTuber Kevin Loughin did a great review of the WSPR-TX-LP1 transmitter with the add-on card Mezaninne LP4. As Kevin is a Linux only...

Hi all. Forums! I now have a Forum for discussions and support. You need to login to members page to access it. It is open for everyone,...

If this blog post was a YouTube video meant to attract attention it would perhaps had a title saying: Silicon Labs lies! Clearly gives...

Hi all. Last year I started modestly building and selling my radio related stuff on Tindie and then in late October I started my own...

The Mezzanine LP4 is a new add-on that expands the WSPR-TX_LP1 transmitter to four bands or more (US users can use more bands with...

I just finished the first batch of two new products that complements each other and is a great addition to any lab or RF experimenters...

I just posted firmware 0.64 here. It is a unified software that can go in the WSPR-TX_LP1 and the Desktop transmitter. Before compiling...

I just released my latest WSPR product. It has been a very long journey to complete this one but it is finally here. The Product is...

Version Beta 0.59 of the PC configuration and Arduino Firmware is now released. Lots of bugs have been been found and addressed thanks...

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...

Paul Karlstrand with radio amateur call sign VK3KHZ in Australia was one of my early customers of the WSPR-TX_LP1 transmitter. He...

Peter Parker (Amateur call sign VK3EY) in Australia tested my newly released WSPR transmitter. Check out his review here:...

My product GPS Referenced RF generator is a low cost solution for a tough problem. How to frequency calibrate you equipment. Thanks to...