What is the time duration between fog horn blasts?

Answer 1

You need to transmit the Morse letter D (-..) with either a fog horn or hitting a bell every 2 minutes.

Long blasts need to be 3 times as long as short blasts. The space between blasts is as long as the duration of a short blast.

So the sequence goes like this: Blow the horn or hit the bell for 6 seconds, wait for 2, hit it for 2 seconds, wait for 2 seconds, and hit it again for 2 seconds.

Answer 2

The time duration between fog horn blasts is typically between 30 seconds and 2 minutes, depending on the specific location and regulations in place. This interval helps mariners determine the distance and direction of the vessel emitting the sound signal.