QRP Labs Ultimate 3S WSPR Transmitter
I’ve been having a blast with QRP Labs Ultimate 3S WSPR Transmitter kit. I highly recommend the TXCO module, GPS module, and every low pass filter band kit that your antenna supports. Seeing what I can do with 200 milliwatts has really opened my eyes to the possibilities of this hobby. It’s especially useful to leave running to see how your antenna does over a several day period and which bands perform best at which time. These are my 24 hour results with just my humble end fed half wave
It’s a simple to operate transmitter, once you get the hang of how to interact with the interface using only two buttons. What it lacks in a GUI, it more than makes up for in features. I’m barely using a tenth of what this device can do yet.
Here are some photos of the construction.
Filed under: Kit Building - @ June 12, 2022 9:26 pm