Incan quipu and runners

In the 15th century, the Inca Empire used quipus, knotted cords recording information, and chasquis, runners who relayed messages. This unique communication method ensured messages could travel swiftly across the empire. The quipu’s coded system is akin to the data encoding used in amateur radio, where precise information must be conveyed clearly. The chasquis’ relay network highlights the importance of reliable message transmission, a principle that resonates with amateur radio operators who use repeaters and networks to maintain communication over long distances, ensuring messages are accurately and efficiently delivered.