The human eye can hardly make out forms on a moonlight night, and everything is generally different shades of black, but they can clearly see lit candles 30 kilometers away. Because of this, it’s crucial to have a signaling device with you in your Pocket Survival Kit( PSK ).
The first article to appear on Survivopedia was Pocket Survival Kit( PSK ) &# 8211, Rescue Signal Options.
Original source: https://www.survivopedia.com/pocket-survival-kit-psk-rescue-signal-options/
