![Test your prepper radio,make a DIY RDF,locate all stations and signal strength in your area - YouTube Test your prepper radio,make a DIY RDF,locate all stations and signal strength in your area - YouTube](https://i.ytimg.com/vi/lMxnNprzMgI/maxresdefault.jpg)
Test your prepper radio,make a DIY RDF,locate all stations and signal strength in your area - YouTube
![Way Too Short-Spaced. The IFT fixes an interference problem… | by Raymie Humbert | En Frecuencia | Medium Way Too Short-Spaced. The IFT fixes an interference problem… | by Raymie Humbert | En Frecuencia | Medium](https://miro.medium.com/max/3036/1*WV51soTbhTFtX6_nedgYHA.png)
Way Too Short-Spaced. The IFT fixes an interference problem… | by Raymie Humbert | En Frecuencia | Medium
Document ID: FAQ-0041 RF link distance The link distance depends on many factors, such as power of the transmitter, antenna gain
![Radio transmitting station A is located 200 miles east of transmitting station B. A ship is in an area to the north and 40 miles west of station A. Synchronized radio pulses Radio transmitting station A is located 200 miles east of transmitting station B. A ship is in an area to the north and 40 miles west of station A. Synchronized radio pulses](https://d2nchlq0f2u6vy.cloudfront.net/17/03/09/86c1799d2865127e249b4c78c4e4e383/bec8edab92ba589bfba3673fb771d1e6/image_scan.png)