Unfortunately yes, I'm (involuntarily) listening to one right now at 03:10 am.
Low tone air horns penetrate better through windows, fog etc. High tones are very noticeable but do not travel or penetrate well.
They warn ships that they are approaching the shore.
The hockey goal horn dates back into the 1980's. the Chicago Blackhawks of the NHL were the first hockey team to use a goal horn. today, almost every hockey team that exists use some sort of "horn". some are recorded "digital" horns and some are legit train horns, boat horns, and fog horns. they are commonly used after a hockey team scores a goal, following a song. Look up on you-tube NHL hockey horns, you will get great results
a goal horn is a horn that sounds off after a goal the home team scores. the most common types of horns used are train horns, boat horns, fog horns, barge horns and sometimes truck horns. they can be loud, but it depends on the amount of PSI they're fed.
San Francisco, California
addaxs horns
in the fog
yes cows do use their horns for fighting
In fog you should use dipped headlights or front fog lights. Also you should use high intensity rear ( fog) lights.
Fog lights
They use their horns for fighting or defenses purposes.
the horns are behind the fog lights underneith the car, one on each side of the car