[Gerry] built his own high stability timebase add-on for his HP 53131 frequency counter. This project started out after [Gerry] built a rubidium 10 MHz standard for his lab. Upon connecting the ...

So [Todd] has set out to build an Arduino frequency counter for a Kenwood TS-520S HF ham radio. This post (and the video found after the break) doesn’t cover the entire project. It’s rather ...

Four people answered 'yes'. What is the relative frequency of left-handed people? Q2. A white counter was taken from a bag of different coloured counters, and then replaced. The relative frequency ...