| There are a number of systems around used to locate lost R/C models. I considered that I could build a system that was a little bit better.
![Lost Model Alarm [120139]](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1,w_800,h_340,c_fit/https%3A%2F%2Fwww.elektormagazine.com%2Fassets%2Fupload%2Fimg%2Fpublic%2Foriginal%2F120139-2-lost-model-alarm-topoverlay-v100-300dpi.jpg)
| There are a number of systems around used to locate lost R/C models. I considered that I could build a system that was a little bit better.