An autonomous drone telemetry system validates a telemetry broadcast key using the following algorithm:

variable.length returns the number of characters in variable.

    isValid = false

    while (isValid == false)

        broadcastKey = input("Enter the broadcast key: ")

        if (broadcastKey.length >= 6) AND (broadcastKey.length <= 11)

            isValid = true

            print("Telemetry stream connected")

        else

            print("Connection rejected, invalid key length")

        endif

    endwhile

The algorithm needs testing to ensure the validation block (if-else statement) works correctly.